Treatment & Therapy

🧠 Treatment and Therapy

Part 1 of 7 — The Treatment Landscape: Trends, Formats, and Ethics

🔑 Key Concept: Every treatment for a psychological disorder answers three questions: what is being changed (thoughts, behaviors, feelings, or brain chemistry), where and with whom it happens (hospital or community, alone or in a group), and by what rules the professional must act (ethical principles set by the American Psychological Association). This part builds that frame; Parts 2 to 5 fill in the specific therapies.

Topics in This Part

Two Families of Treatment

Psychotherapy is treatment that uses psychological techniques: a trained professional and a client talk, practice skills, and change patterns of thinking, feeling, and behaving. Biomedical therapy changes the body directly, through medication or through procedures that act on the brain.

Many professionals draw on more than one perspective at once. A therapist might use behavioral exposure exercises in one session and challenge a client's catastrophic thoughts in the next; a psychiatrist might prescribe an antidepressant and refer the same person to a cognitive-behavioral therapist.

Who provides treatment?

🔑 AP Connection: The exam rarely asks about job titles, but it often asks you to classify a treatment by perspective. Ask yourself what the technique is trying to change. If it changes a neurotransmitter or the brain directly, it is biomedical. If it changes thoughts, behaviors, or self-understanding, it is a psychotherapy.

From Asylums to Community Care

For much of the 19th and early 20th centuries, people with severe psychological disorders in the United States were often housed for years in large state hospitals and asylums. Many of these institutions were crowded, and treatment was limited.

Deinstitutionalization

Deinstitutionalization is the large-scale release of people from psychiatric hospitals and asylums into the community. The CED identifies its main driver: the increased use and effectiveness of psychotropic medication. Once antipsychotic and antidepressant medications let many people manage their symptoms, long hospital stays were no longer the only option, and hospitals released massive numbers of people in the late 20th century.

What "decentralized" means

Decentralized treatment is spread across many smaller settings instead of concentrated in one large institution. A person might see a psychiatrist at one office for medication checks, a psychologist at another for weekly therapy, and attend a peer support group in the evening. Short hospital stays still happen during a crisis, but the goal is to return the person to everyday life as quickly and safely as possible.

Combined treatment

Therapists now prefer to treat many disorders with a combination of medication and psychological therapy. The two act on different parts of the problem:

• Medication can reduce symptoms such as severe low mood or hallucinations enough for a person to engage in therapy.
• Psychotherapy teaches skills, such as challenging negative thoughts or facing feared situations, that the person keeps after therapy ends.

Unintended consequences

Deinstitutionalization was not a simple success story. Community services did not always grow fast enough to support everyone released from hospitals. Some people lost access to housing or steady care, and critics link the shift to later problems such as homelessness among some people with severe, untreated disorders. A strong AP answer can describe both the benefit (more freedom and community-based treatment) and the cost (gaps in support).

🔑 AP Connection: If a question asks why deinstitutionalization happened, the CED answer is psychotropic medication. If it asks what treatment looks like now, the answer is decentralized care, often combining medication and psychotherapy.

Concept Check — Trends in Treatment 🎯

Individual vs. Group Formats

The same therapeutic approach can be delivered in different formats. The CED asks you to explain how group therapy differs from individual therapy.

Why groups can help

Group members often report relief at discovering that they are not the only one with a problem. Groups also turn the session into a practice ground. A client with social anxiety can rehearse starting a conversation with real people, not just describe the situation to a therapist. Hearing how another member handled a setback can model a new strategy.

Worked Case: choosing a format

Case. Devon, 34, recently lost his job and feels isolated. He has mild depressive symptoms, a tight budget, and says, "Everyone else seems to have it together." A second client, Priya, 27, has a history of trauma she has never told anyone and says she could not speak about it in front of strangers.

Step 1: Identify the needs. Devon's needs are cost, connection, and seeing that others struggle too. Priya's needs are privacy and close, tailored attention.

Step 2: Match needs to format strengths. Group therapy is lower in cost per person and directly counters Devon's belief that he is alone. Individual therapy gives Priya the privacy and focus she needs; confidentiality is easier to protect with one therapist than with several group members.

Step 3: Note the limit. If Devon's symptoms became severe, a group alone might not give him enough individual attention, and his plan would need adjusting.

Conclusion. Group therapy fits Devon; individual therapy fits Priya. Neither format is better in general. The right choice depends on the client.

🔑 AP Connection: A strong comparison names a specific advantage of the group format (lower cost, social support, realizing others share the problem, practicing social skills) and a specific limit (less individual attention, weaker guarantee of confidentiality). "Group therapy is cheaper" alone is only half an answer.

Name the Format 🧩

Choose the treatment format each description shows.

Ethics in Therapy

Psychologists who treat clients must follow ethical principles established by the American Psychological Association (APA). The CED names four you must know.

Informed consent and confidentiality

• Informed consent: before treatment, the client learns what the therapy involves, its likely benefits and risks, the fees, other options, and the limits of confidentiality, then agrees voluntarily. A client may withdraw at any time.
• Confidentiality: what a client says in therapy stays private. It has legal limits: a therapist may need to break confidentiality when a client poses a serious risk of harm to self or others, or when child abuse must be reported. Clients are told these limits at the start.

Worked Case: naming the principle

Case. Dr. Lee treats Sam for panic disorder. Sam owns a restaurant and offers Dr. Lee a discount on catering for her daughter's wedding if she will "go a little easier" on the homework assignments. Dr. Lee also tells Sam that a new technique she read about online "works for everyone," although she has never seen any research on it.

Step 1: Separate the actions. There are two issues: a proposed business arrangement with a current client, and an inaccurate claim about a technique.

Step 2: Match each to a principle. Accepting the catering deal would create a conflict of interest and a multiple relationship, a fidelity problem. Claiming the technique works for everyone without evidence is a dishonest statement, an integrity problem.

Step 3: Check for harm. If the new technique were untested and risky, using it could also violate nonmaleficence.

Conclusion. Dr. Lee should decline the arrangement, describe the new technique accurately (or not use it), and stick with treatments that have research support.

🔑 AP Connection: These are ethics for treatment. The AAQ asks about ethics in research (informed consent, debriefing, confidentiality, protection from harm). The ideas overlap, so learn both lists and read the stem to see which setting it describes.

Applied Scenarios — Ethical Principles 🎯

Putting Part 1 Together

Looking ahead

For the symptoms of the disorders these treatments target, see the Mood and Psychotic Disorders lesson.

🧠 Treatment and Therapy

Part 2 of 7 — Insight Therapies: Psychodynamic and Humanistic

🔑 Key Concept: Insight therapies assume that people improve when they understand themselves better. Psychodynamic therapy seeks insight into unconscious conflicts; person-centered (humanistic) therapy seeks insight into a person's conscious feelings and potential for growth. Both rely on conversation, but the therapist plays very different roles.

Two insight therapies at a glance

This part also covers hypnosis, which the CED treats separately. Hypnosis is not an insight therapy, but it raises a key question about memory that connects to psychodynamic ideas about the "hidden" mind.

Psychodynamic Therapy

Psychodynamic therapies employ free association and dream interpretation to uncover the unconscious mind (CED 5.5.D.1). The logic: if troubling feelings and memories are pushed out of awareness, they still shape behavior. Bringing them into the open gives the client insight, and insight makes change possible.

Technique 1: Free association

The client says whatever comes to mind, without censoring it, even when the thought seems embarrassing, illogical, or trivial. The therapist listens for patterns: topics the client returns to, sudden changes of subject, long pauses, or "I don't know where that came from" moments. These breaks in the flow are treated as clues that the client is getting close to anxiety-provoking material.

Technique 2: Dream interpretation

The client describes dreams, and the therapist and client explore what the images and feelings in the dream might reveal about the client's concerns. Psychodynamic therapists view dreams as one route to material the client keeps out of everyday awareness. For the AP exam, know dream interpretation as a therapy technique used to uncover the unconscious.

Other features of the psychodynamic process

Classic vs. modern psychodynamic therapy

Freud's original psychoanalysis could involve several sessions per week for years, with the client often lying on a couch and the analyst out of view. Modern psychodynamic therapy is usually briefer, face to face, and focused on current relationships and recurring patterns, while keeping the core idea that unconscious processes shape present problems.

Worked Example: Reading a session

Excerpt. A client, Jordan, is asked to free-associate. Jordan says: "Rain. Umbrella. My grandmother's porch... actually, never mind, that's boring. Can we talk about my week instead?"

Step 1: Name the technique. The therapist asked Jordan to say whatever comes to mind: free association.

Step 2: Spot the clue. Jordan stops abruptly at the grandmother's porch and changes the subject. A psychodynamic therapist would note this as possible resistance.

Step 3: Predict the therapist's next move. Rather than giving advice, the therapist might gently interpret: "You moved away quickly when your grandmother's porch came up. I wonder what that memory holds." The goal is insight, not a behavior change assignment.

Evaluating psychodynamic therapy

🔑 AP Connection: If a scenario mentions saying whatever comes to mind, analyzing dreams, uncovering the unconscious, or childhood conflicts, think psychodynamic. If the therapist assigns homework, rewards behavior, or challenges a thought, the approach is not psychodynamic.

Concept Check — Psychodynamic Therapy 🎯

Person-Centered Therapy

Therapy from the humanistic perspective is commonly called person-centered therapy, and it employs active listening and unconditional positive regard (CED 5.5.D.5). Carl Rogers developed it on the belief that people have a natural drive toward growth. Problems arise when that drive is blocked, often because a person has learned that they are acceptable only when they meet other people's conditions.

The therapist's role: nondirective

The person-centered therapist does not interpret hidden meanings, diagnose distorted thoughts, or assign rewards. The client leads the session. The therapist's job is to create a climate in which the client can explore feelings honestly and find their own direction.

Three conditions Rogers emphasized

Unconditional positive regard does not mean approving of every action. A therapist can accept a client as a worthwhile person while the client works through a decision the client regrets.

Active listening

Active listening is empathic listening in which the therapist echoes, restates, and seeks clarification. It has three common moves:

Worked Example: Which response is person-centered?

Client statement. "I worked all semester and still got a C. My parents didn't even say anything. Maybe I'm just not smart."

Four possible therapist responses:

Reasoning. Only the first response follows the client's lead, reflects the feeling, and avoids steering. That combination of active listening and nonjudgmental acceptance is the person-centered signature.

🔑 AP Connection: "Nondirective" is a clue word for person-centered therapy. When a stem says the therapist "reflects," "restates," "echoes," or "accepts the client without judgment," choose person-centered (humanistic) therapy.

Name the Technique ✍️

Type the CED term for each description.

Hypnosis: What It Can and Cannot Do

Hypnosis is a social interaction in which one person (the hypnotist) suggests to another that certain perceptions, feelings, thoughts, or behaviors will occur. People differ in how responsive they are to hypnotic suggestion.

The CED states the evidence directly (5.5.F.1): hypnosis has shown effectiveness in treating pain and anxiety. Research does not support the use of hypnosis to retrieve accurate memories or to regress in age.

Why hypnosis fails as a memory tool

Memory is reconstructive: each time we recall an event, we rebuild it, and we can blend in suggestions and expectations (see the Memory lessons in Unit 2). Under hypnosis, people are highly responsive to suggestion. Leading questions can plant details that feel real. The result is a dangerous mix: people may report more details with more confidence, but the added details are not more accurate and may be false.

"Age-regressed" adults do not truly think like children. They act out their beliefs about how a child would behave, and researchers can find adult knowledge mixed into the performance.

Worked Example: Evaluating a claim

Claim. A podcast host says, "Hypnosis unlocks the mind's hidden recording. A witness under hypnosis can replay a crime exactly as it happened."

Step 1: Identify what is being claimed. Hypnosis retrieves accurate, complete memories.

Step 2: Compare with research. The CED says research does not support hypnosis for retrieving accurate memories. Memory is reconstructive, and hypnotic suggestion can add false details.

Step 3: Explain the risk. A hypnotized witness may feel certain about a detail that never happened, which could mislead an investigation.

Step 4: State a supported alternative. Hypnosis does have research support for pain and anxiety, so a claim that it helped a patient tolerate a dental procedure would be consistent with the evidence.

🔑 AP Connection: Questions about hypnosis usually test one contrast: pain and anxiety relief (supported) versus accurate memory retrieval and age regression (not supported). Watch for distractors that sound scientific, such as "hypnosis increases the accuracy of recall."

Applied Scenarios — Insight Therapies and Hypnosis 🎯

Part 2 Summary

🔑 AP Connection: Psychodynamic and person-centered therapies are both "talk" therapies, so the exam separates them by the therapist's role. An interpreting therapist who digs into the past is psychodynamic. A reflecting, accepting, nondirective therapist is person-centered. Part 3 turns to therapies that skip insight altogether and change behavior directly.

🧠 Treatment and Therapy

Part 3 of 7 — Behavior Therapies: Applied Behavior Analysis

🔑 Key Concept: Behavior therapists do not hunt for hidden causes. They assume that maladaptive behaviors, including fears, were learned, so they can be unlearned or replaced using the same principles of conditioning you studied in Unit 3.

Applied behavior analysis

Applied behavior analysis (ABA) involves applying principles of conditioning to address mental disorders and developmental disabilities (CED 5.5.D.3). The CED lists four techniques that employ ABA principles:

ABA and developmental disabilities

ABA is widely used to teach skills to people with developmental disabilities, including children with autism spectrum disorder. A therapist breaks a skill, such as requesting a snack with words or a picture card, into small steps and reinforces each successful step. This is shaping: reinforcing closer and closer approximations of the target behavior.

🔑 AP Connection: For each ABA technique, be ready to name which kind of conditioning it uses. Exposure and aversion therapies change what a stimulus has come to signal (classical). Token economies and biofeedback change behavior through its consequences (operant).

Exposure Therapies

Why fears persist

A fear can begin through classical conditioning: a neutral stimulus (a dog) is paired with a frightening experience (a bite) and becomes a conditioned stimulus for fear. The fear then persists because of operant conditioning. Each time the person avoids dogs, anxiety drops. That relief is negative reinforcement: removing an unpleasant feeling strengthens the avoidance. Because the person never stays near a dog long enough to learn that nothing bad happens, the fear never extinguishes.

Exposure therapies break this cycle by having the person face the feared stimulus, without escaping, until anxiety falls. Repeated exposure without harm leads to extinction of the conditioned fear.

Systematic desensitization

Systematic desensitization, developed by Joseph Wolpe, is a gradual exposure therapy that uses counterconditioning: replacing a fear response with a response that cannot occur at the same time, relaxation. You cannot be deeply relaxed and highly anxious at once.

It has three steps:

1. Relaxation training. The client learns progressive muscle relaxation or slow breathing.
2. Build an anxiety hierarchy. The client and therapist list feared situations and rank them from least to most anxiety-provoking.
3. Climb the hierarchy while relaxed. Starting at the bottom, the client faces each item (in imagination or in real life) while staying relaxed, moving up only when the current step no longer causes much anxiety.

Worked Example: Building a hierarchy

Case. Ana, 22, has a specific phobia of dogs. She crosses the street to avoid them and turned down a job because the office allows pets. She rates her distress on a 0 to 100 scale.

Step 1: List situations and rate them.

Step 2: Start at the bottom. In a relaxed state, Ana reads the word "dog." She repeats it until her rating falls to near zero.

Step 3: Move up one rung at a time. If her rating spikes on a step, she returns to relaxation and repeats the step, or drops back one rung. She does not skip steps.

Step 4: Check the outcome. By the end, Ana can pet a calm dog with low distress. Relaxation has replaced fear as the response to dogs, and avoidance is no longer being negatively reinforced.

🔑 AP Connection: Systematic desensitization is gradual and pairs each step with relaxation. Flooding is intense exposure all at once. Both are exposure therapies; the difference is the pace.

Concept Check — Exposure Therapies 🎯

Aversion Therapy and Token Economies

Aversion therapy

Exposure therapies try to remove a negative response to something harmless. Aversion therapy does the opposite: it creates a negative response to something harmful that the person finds attractive. It pairs the unwanted behavior or stimulus with an unpleasant stimulus, so the behavior comes to trigger discomfort instead of pleasure.

Limits. Aversion therapy raises ethical concerns because it deliberately causes discomfort, and its effects may not generalize outside the clinic: a person may learn that drinking causes nausea only while taking the medication. Today it is used far less than other behavior therapies and only with informed consent.

Token economies

A token economy applies operant conditioning. Clients earn tokens (points, chips, stickers) for target behaviors, then exchange them for backup reinforcers such as privileges, snacks, or outings.

Strength. Token economies can build daily-living and social behaviors in hospitals, classrooms, and residential programs.

Limit. Behaviors may drop when the tokens stop. Good programs gradually fade the tokens and shift to natural reinforcers, such as praise or the satisfaction of a tidy room.

Worked Example: Classical or operant?

🔑 AP Connection: "Exchanged for," "earn," and "points" signal a token economy (operant). "Paired with something unpleasant" signals aversion therapy (classical). Distractors often swap these two.

Which Principle? 🧩

Choose the learning principle each technique relies on most directly.

Biofeedback

Biofeedback uses principles of conditioning to help clients regulate body systems, such as the sympathetic and parasympathetic nervous systems, that contribute to feelings of anxiety or depression (CED 5.5.D.3).

How it works

1. Measure. Sensors record a body signal the person normally cannot sense well: heart rate, muscle tension, skin temperature, breathing rate, or sweat gland activity.
2. Display. The signal appears as a line on a screen, a tone, or a light, in real time.
3. Practice. The client tries strategies such as slow breathing or relaxing specific muscles.
4. Reinforce. When the signal moves in the desired direction, the display shows it at once. Seeing success reinforces the strategy, an operant principle.

Connecting to Unit 1

Worked Example

Case. Keisha, a college student, gets tension headaches and racing thoughts before exams. In biofeedback sessions, a sensor on her forehead measures muscle tension and plays a tone that rises in pitch as tension increases.

Step 1: What is measured? Forehead muscle tension, a sign of sympathetic arousal.

Step 2: What does she learn? Which breathing and relaxation strategies lower the tone.

Step 3: What is the conditioning? Each drop in pitch is immediate feedback that reinforces the strategy she just used, so she uses it more.

Step 4: The goal. Eventually Keisha can relax those muscles before an exam without the equipment, shifting her body toward parasympathetic activity.

All four ABA techniques side by side

🔑 AP Connection: A biofeedback question will usually describe sensors and a screen or tone. Expect to name the nervous system division involved: the client learns to decrease sympathetic and increase parasympathetic activity.

Applied Scenarios — Applied Behavior Analysis 🎯

Part 3 Summary

• ABA applies conditioning principles to mental disorders and developmental disabilities.
• Exposure therapies extinguish fear by facing the feared stimulus without escape; systematic desensitization does it gradually, pairing a hierarchy with relaxation.
• Aversion therapy pairs an unwanted behavior with an unpleasant stimulus.
• Token economies reinforce target behaviors with tokens exchanged for backup reinforcers.
• Biofeedback displays body signals so clients learn to lower sympathetic arousal.

🔑 AP Connection: Behavior therapies treat the behavior as the problem, so they do not need insight into its origin. That contrast with Part 2 is a favorite exam move: "A behavior therapist would most likely..." is answered with a conditioning technique, never with free association or reflection. Part 4 adds the cognitive layer: what if the problem is how a person thinks about the situation?

🧠 Treatment and Therapy

Part 4 of 7 — Cognitive and Cognitive-Behavioral Therapies

🔑 Key Concept: Cognitive therapies start from one idea: it is not only what happens to us, but how we interpret it, that shapes how we feel and act. Change the maladaptive thought, and the emotion and behavior can change too. Cognitive-behavioral therapies add the behavioral toolkit from Part 3, so clients change both what they think and what they do.

The thought in the middle

Same event, different thoughts, different outcomes. Cognitive therapists target the thought.

Three approaches compared

Beck's Cognitive Therapy

Aaron Beck developed cognitive therapy while working with people who had depression. He noticed that their thinking followed a consistent negative pattern, which he called the cognitive triad: negative thoughts about oneself, the world, and the future (CED 5.5.D.2).

Cognitive distortions

Beck's approach treats these thoughts as products of habitual errors in reasoning. Recognizing the error is the first step in changing it.

Cognitive restructuring

Cognitive restructuring is the process of identifying a maladaptive thought, testing it against evidence, and replacing it with a more balanced one. The therapist often uses Socratic questioning: asking questions that lead the client to examine the thought rather than simply telling the client it is wrong.

Fear hierarchies in cognitive work

The CED notes that cognitive therapies may employ fear hierarchies as well as cognitive restructuring. Clients rank feared situations, then work up the list while testing the catastrophic predictions attached to each step ("If I speak up in class, everyone will laugh"). Each step becomes an experiment: did the predicted disaster happen? The focus is on revising the thought, which is what separates this use from purely behavioral systematic desensitization.

Worked Example: A thought record

Case. Mei, 19, has depressive symptoms. She received a B minus on a chemistry exam and stayed in bed the rest of the day.

Reasoning. The situation did not change; the interpretation did. Notice the triad in Mei's automatic thought: a negative view of self ("I'm stupid") and of the future ("I'll never get in"). Restructuring targets both.

🔑 AP Connection: When a stem shows a therapist asking "What is the evidence for that thought?", challenging a client's interpretation, or pointing out a distortion, choose cognitive therapy or cognitive restructuring. When it mentions negative thoughts about self, world, and future, name Beck's cognitive triad.

Concept Check — Cognitive Therapy 🎯

Rational-Emotive Behavior Therapy (REBT)

Albert Ellis developed rational-emotive behavior therapy, one of the cognitive-behavioral therapies named in the CED (5.5.D.4). Ellis argued that emotional problems come mainly from irrational beliefs: rigid, absolute demands such as "I must be perfect" or "Others must treat me fairly," and the conclusion that it is awful and unbearable when they do not.

The ABC (DE) model

The key insight: A does not cause C directly. B does. Two players cut from the same team can feel very differently depending on their beliefs.

How REBT differs from Beck's cognitive therapy

Both share the core cognitive assumption: change the belief, and the feeling changes.

🔑 AP Connection: Clue words for REBT include irrational beliefs, "must" or "should" statements, disputing, and a directive or confrontational therapist. For Beck, the clue words are cognitive triad, distortions, and testing thoughts against evidence.

Sort the Thoughts and Steps 🧩

Complete each sentence.

Cognitive-Behavioral Therapy and DBT

Cognitive-behavioral therapies combine techniques from the cognitive and behavioral perspectives to treat mental and behavioral disorders (CED 5.5.D.4). The CED names two: rational-emotive behavior therapy (above) and dialectical behavior therapy.

What CBT looks like

A typical CBT plan is structured, time-limited, and active:

Dialectical behavior therapy (DBT)

Dialectical behavior therapy, developed by Marsha Linehan, was designed for people with chronic suicidal behavior and is widely used for borderline personality disorder, where intense, unstable emotions and self-harm are common. A dialectic holds two ideas that seem opposed: DBT balances acceptance ("You are doing the best you can right now") with change ("You need to learn new skills to build the life you want").

DBT typically combines individual therapy with group skills training, so it also illustrates the group format from Part 1.

Worked Example: Which approach fits?

🔑 AP Connection: "Combines cognitive and behavioral techniques" is the definition of CBT. If a stem pairs acceptance with change or lists mindfulness and distress tolerance, the answer is DBT. If it highlights irrational beliefs and disputing, the answer is REBT.

Applied Scenarios — Cognitive-Behavioral Therapies 🎯

Part 4 Summary

🔑 AP Connection: You now have all four psychotherapy perspectives. Part 5 turns to the biological perspective, which treats the brain directly with medication and procedures.

🧠 Treatment and Therapy

Part 5 of 7 — Biomedical Treatments

🔑 Key Concept: Biomedical treatments come from the biological perspective. Psychoactive medications interact with specific neurotransmitters in the central nervous system to address possible biochemical causes of disorders, and surgical or invasive procedures act on the brain directly (CED 5.5.G). To reason about any drug on the exam, connect it to what you learned about the synapse in Unit 1.

Unit 1 review: three ways a drug can act at the synapse

Neurotransmitters you need here

Only neurotransmitters on the CED list are tested. For treatment, the key ones are serotonin and norepinephrine (antidepressants), GABA (antianxiety drugs), and dopamine (antipsychotics and tardive dyskinesia).

Psychoactive Medications

Tardive dyskinesia

The CED names one side effect specifically: tardive dyskinesia, a movement disorder related to the regulation of dopamine. "Tardive" means late-appearing. After long-term use of antipsychotics that block dopamine, some people develop involuntary movements, often of the face, lips, and tongue (lip smacking, tongue movements, grimacing), and sometimes of the limbs. It links back to Unit 1: dopamine helps regulate movement as well as mood and reward.

Worked Example: Reasoning from the synapse

Question. Why would an SSRI increase serotonin's effect, even though it does not add any new serotonin?

Step 1: Normal process. A sending neuron releases serotonin into the synapse. Some binds to receptors on the receiving neuron; the rest is quickly reabsorbed by the sending neuron (reuptake).

Step 2: The drug's action. An SSRI blocks the reuptake channel for serotonin.

Step 3: The result. Serotonin stays in the synapse longer and keeps activating receptors. The total amount released has not changed; it simply lingers.

Step 4: Connect to the disorder. A biological account of depression points to low serotonin activity (see Mood and Psychotic Disorders), so prolonging serotonin's action is meant to address that possible biochemical cause.

Worked Example: Predicting a side effect

Question. A man with schizophrenia has taken a first-generation antipsychotic for many years. Why might he develop involuntary facial movements?

Step 1. First-generation antipsychotics are dopamine antagonists.

Step 2. Dopamine also helps regulate movement.

Step 3. Long-term dopamine blockade can disrupt motor regulation, producing tardive dyskinesia.

🔑 AP Connection: Always name the neurotransmitter and the direction. "SSRIs increase serotonin activity by blocking reuptake" earns credit; "SSRIs affect serotonin" usually does not.

Concept Check — Medications 🎯

Surgical and Invasive Interventions

The CED lists three: psychosurgery (which may involve lesioning), TMS, and electroconvulsive therapy, plus the history of the lobotomy (5.5.G.2).

ECT today vs. its reputation

Popular images of ECT often show a fully awake person convulsing violently. That picture does not describe modern practice: the person is under anesthesia, the muscle relaxant prevents violent movement, and the procedure is a medical treatment, not a punishment. ECT remains in use because it can help some people with severe depression for whom medications and psychotherapy have failed.

Why the lobotomy disappeared

The lobotomy spread in the mid-20th century, when few effective treatments existed for severe disorders. It was crude and irreversible, and it often caused lasting harm. Once antipsychotic medications became available, the procedure fell out of use. It now serves as a historical example of why treatments must be tested carefully, and of the ethical principle of nonmaleficence from Part 1.

Worked Example: Comparing ECT and TMS

Reasoning tip. The words "magnetic," "coil," and "awake" point to TMS. The words "anesthesia," "seizure," and "electric current" point to ECT.

🔑 AP Connection: Do not describe ECT as a punishment or as something done to a conscious person. Do not describe the lobotomy as a current treatment. Both are common wrong-answer traps.

Name the Neurotransmitter ✍️

Type the single neurotransmitter each treatment acts on most directly.

Evaluating Biomedical Treatments

Strengths and limits

Medication and the placebo effect

Because people who expect to feel better often do, drug trials compare the real medication with a placebo (an inactive pill) and are run double-blind, so neither participants nor the researchers who assess them know who received which. Part 6 looks at how outcome studies are designed.

Worked Example: Choosing a biomedical option

In every case, a current treatment plan would usually pair the biomedical option with psychotherapy.

🔑 AP Connection: In a free-response answer, a biomedical explanation earns credit when it names the mechanism, such as "lithium stabilizes mood" or "an antipsychotic blocks dopamine receptors, reducing hallucinations." Saying only "medication helps" is too vague.

Applied Scenarios — Biomedical Treatments 🎯

🧠 Treatment and Therapy

Part 6 of 7 — Does Therapy Work? Evidence and AP Exam Practice

🔑 Key Concept: Many researchers who have conducted meta-analytic studies of psychotherapy conclude that psychotherapies are generally effective. Psychologists use evidence-based interventions to plan treatment, and successful therapy depends on cultural humility and a strong therapeutic alliance (CED 5.5.A.1). This part shows how that evidence is gathered and read, then practices both free-response question types.

What the research says

Matching treatment to the problem

"Generally effective" does not mean every therapy works equally well for every problem. Some pairings have especially strong research support:

Cultural humility vs. cultural competence

Cultural competence can sound like a finished skill: learn facts about a group and apply them. Cultural humility stresses that a therapist never fully "masters" another person's culture. The therapist asks rather than assumes, examines their own biases, and lets the client explain what their background means to them.

Example. A therapist working with a client from a religious community does not assume what the client believes. She asks, "How does your faith shape the way you see what you're going through?" and builds the client's answer into the plan.

Why Outcome Studies Need Controls

Clients and therapists both tend to believe therapy worked. That belief is not evidence. Three forces can make people improve even if a treatment does nothing:

Random assignment to treatment and control groups makes the groups similar at the start, so a difference at the end can be credited to the treatment.

Reading an Outcome Table

Practice Data Set (hypothetical). Researchers randomly assigned 160 adults with major depressive disorder to one of four groups for 12 weeks. Depression was measured on a practice scale from 0 to 60, where higher scores mean more severe symptoms.

Statistical results (practice). Each treatment group improved significantly more than the waitlist group (p < .05). The combined group improved significantly more than either single-treatment group (p < .05). The difference between CBT only and antidepressant only was not statistically significant.

How to read it

1. Start with the control. The waitlist group improved by 5 points with no treatment, a sign of spontaneous remission or regression toward the mean. Treatment effects must be judged beyond that 5 points.
2. Compare groups, not single scores. CBT only dropped 14 points versus 5 for the waitlist, so CBT's added benefit was about 9 points.
3. Check significance. A statistically significant difference is unlikely to be due to chance alone. A non-significant difference, such as CBT only versus antidepressant only, means the study cannot conclude that one beat the other.
4. Remember these are means. A mean change of −14 does not mean every person in the CBT group improved by 14 points.

🔑 AP Connection: These are exactly the skills the AAQ tests: identifying a control group, describing what a difference in means shows, and avoiding claims the data do not support.

Data Check — Use the Practice Data Set above 📊

AAQ Walkthrough: A Practice Study

The Article Analysis Question (AAQ) gives you a summary of one study and has 7 points across 6 parts. Here is a practice study summary, followed by each task and a model response.

A practice study summary (hypothetical)

Purpose. Researchers tested the hypothesis that group cognitive-behavioral therapy (CBT) would reduce social anxiety more than no treatment.

Participants. 90 undergraduates, ages 18 to 22, were recruited from the counseling-center waitlist at one large public university. All met criteria for social anxiety disorder.

Method. Participants were randomly assigned to 8 weekly sessions of group CBT (n = 45) or to a waitlist control group (n = 45). Social anxiety was measured before and after the 8 weeks with a 24-item self-report questionnaire (scores 0 to 72; higher scores mean more social anxiety).

Ethics. All participants gave informed consent and were told they could withdraw at any time. Questionnaires were labeled with code numbers rather than names. After the study, waitlist participants were offered the same group CBT, and all participants were debriefed.

Results. The group CBT mean fell from 48 to 30. The waitlist mean fell from 47 to 44. The difference in change between groups was statistically significant (p < .05).

The six tasks, with model responses

Common AAQ mistakes on treatment studies

AAQ Practice — Use the practice study summary above 🎯

EBQ Mini Set: Three Practice Sources

The Evidence-Based Question (EBQ) has 7 points across 3 parts: (A) a defensible claim, (B) evidence from one source plus an explanation using a psychological concept, and (C) evidence from a different source plus an explanation using a different concept.

Prompt. Develop and justify an argument about whether the relationship between a therapist and a client affects the success of therapy.

Source 1 (practice correlational study, hypothetical)

200 adults in outpatient therapy rated the strength of their working relationship with their therapist after the third session. Stronger relationship ratings were positively correlated with greater reductions in symptoms by the end of therapy.

Source 2 (practice experiment, hypothetical)

40 therapists were randomly assigned to complete either a cultural humility training program or a standard training program. Their clients, who did not know which training their therapist had received, reported feeling more understood in the cultural humility condition and were less likely to drop out before the fifth session.

Source 3 (practice case study, hypothetical)

A 29-year-old client with depressive symptoms stopped attending therapy after her first therapist dismissed her religious beliefs as "part of the problem." A second therapist asked how her faith shaped her experience and built it into the treatment plan. The client completed treatment, and her symptoms decreased.

Model response

A. Claim. "A trusting, culturally humble relationship between therapist and client improves the success of therapy."

B. Evidence and explanation. "According to Source 1, clients who rated their working relationship as stronger after the third session showed greater symptom reductions. This supports the claim through the concept of the therapeutic alliance: when a client trusts the therapist and agrees on goals, the client is more likely to engage in the work of therapy. Because Source 1 is correlational, it shows the relationship and outcome move together, and the experiment in Source 2 strengthens the causal case."

C. Evidence and explanation. "In Source 2, therapists randomly assigned to cultural humility training had clients who felt more understood and dropped out less. This supports the claim through cultural humility: a therapist who asks about and respects a client's cultural identity helps the client stay in treatment long enough to benefit. Random assignment lets us attribute the difference to the training."

Why this earns credit

Source 3 could also support the claim, but a single case cannot show cause and effect or generalize widely. Using it is allowed; leaning on it alone would be weaker.

🔑 AP Connection: Do not reuse the same source or the same concept in parts B and C. Name the source ("According to Source 2..."), state the specific evidence, and then explain the link with a psychological concept; summarizing the source without the concept does not complete the explanation.

EBQ Check — Use the three practice sources above 🧩

Part 6 Summary

🔑 AP Connection: Treatment studies are a natural fit for both free-response questions, so expect to see therapy, medication, or therapeutic alliance research on the exam. Part 7 pulls every part of this topic together.

🧠 Treatment and Therapy

Part 7 of 7 — Synthesis: Matching Perspectives, Techniques, and Disorders

🔑 Key Concept: Every treatment follows from a theory of what went wrong. If you know a perspective's assumed cause, you can predict its goal and its techniques, and you can recognize them in any scenario the exam describes.

Master Table

Cross-cutting ideas from Parts 1 and 6

Choosing Among Treatments: A Four-Step Process

1. Name the target. What needs to change: avoidance, distorted thoughts, overwhelming emotions, or a biological process such as psychosis? (For the symptoms of each disorder, see Mood and Psychotic Disorders.)
2. Match the target to a perspective. Avoidance points to exposure; distorted thoughts point to cognitive restructuring; severe biological symptoms point to medication.
3. Choose format and combination. Individual or group? Psychotherapy alone, or combined with medication?
4. Check ethics and evidence. Is there research support? Has the client given informed consent? Does the plan respect the client's culture and choices?

Worked Case 1: OCD

Case. Nadia, 26, has obsessive-compulsive disorder. She fears contamination and washes her hands for long stretches many times a day.

Step 1: Target. The washing compulsion is negatively reinforced: it brings brief relief from anxiety, so it keeps happening.

Step 2: Perspective. Behavioral: exposure and response prevention. Nadia touches a "contaminated" object and refrains from washing, so anxiety rises and then falls without the compulsion, and the link weakens.

Step 3: Combination. An SSRI may be added, since SSRIs are also used for OCD.

Step 4: Ethics and evidence. Exposure is distressing, so the therapist explains it fully, gets informed consent, and builds a hierarchy Nadia agrees to (nonmaleficence and respect for self-determination).

Worked Case 2: Severe depression

Case. Omar, 58, has severe major depressive disorder. Two antidepressants and a year of CBT have not helped, and he can barely leave bed.

Step 1: Target. Symptoms are severe and have not responded to medication or psychotherapy.

Step 2: Perspective. Biological options for treatment-resistant depression: ECT (under anesthesia with a muscle relaxant) or TMS (noninvasive magnetic stimulation).

Step 3: Combination. After symptoms improve, ongoing psychotherapy can help prevent relapse.

Step 4: Ethics and evidence. Omar's psychiatrist explains the memory side effects of ECT and the milder profile of TMS; Omar chooses with full information.

Worked Case 3: Same problem, different lenses

Case. Jada, 16, avoids speaking in class because she expects to be laughed at.

Mixed Review — Name the Approach 🎯

Misconceptions to Retire

Who Said It? 🧩

Each line is something a therapist might say. Choose the approach it best represents.

Contrasts the Exam Loves

Writing a strong treatment explanation

On a free-response question, link three things: the technique, the mechanism, and the outcome.

Integrated Questions 🎯

Topic Wrap-Up

🔑 AP Connection: When a question describes a therapist's words or actions, ask two questions: What is this therapist trying to change? and How? The answer to the first names the perspective; the answer to the second names the technique.