Perception & Attention

🧠 Perception & Attention

Part 1 of 7 — Perceptual Organization

1. Gestalt principles

proximity, similarity, closure, continuity, figure-ground

2. We organize sensory input into meaningful patterns

We organize sensory input into meaningful patterns

3. Top-down processing uses expectations

Top-down processing uses expectations

4. Bottom-up processing starts with raw sensory data

Bottom-up processing starts with raw sensory data

Concept Check 🎯

### Key Points

• Gestalt principles: proximity, similarity, closure, continuity, figure-ground
• We organize sensory input into meaningful patterns
• Top-down processing uses expectations
• Bottom-up processing starts with raw sensory data

Concept Check 🎯

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## Depth Perception

Part 2 of 7 — Depth Perception

1. Binocular cues

retinal disparity, convergence (need both eyes)

2. Monocular cues

relative size, overlap, linear perspective, texture gradient

3. Motion parallax

closer objects appear to move faster

4. Depth perception develops around 6 months (visual cliff)

Depth perception develops around 6 months (visual cliff)

Concept Check 🎯

### Key Points

• Binocular cues: retinal disparity, convergence (need both eyes)
• Monocular cues: relative size, overlap, linear perspective, texture gradient
• Motion parallax: closer objects appear to move faster
• Depth perception develops around 6 months (visual cliff)

Concept Check 🎯

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## Perceptual Constancies & Illusions

Part 3 of 7 — Perceptual Constancies & Illusions

1. Size constancy

objects appear same size despite distance

2. Shape constancy

objects appear same shape despite viewing angle

3. Color constancy

colors appear same despite lighting changes

4. Visual illusions

Müller-Lyer, Ponzo, Ames room

Concept Check 🎯

### Key Points

• Size constancy: objects appear same size despite distance
• Shape constancy: objects appear same shape despite viewing angle
• Color constancy: colors appear same despite lighting changes
• Visual illusions: Müller-Lyer, Ponzo, Ames room

Concept Check 🎯

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## Attention

Part 4 of 7 — Attention

1. Selective attention

focusing on one stimulus while ignoring others

2. Cocktail party effect

hearing your name in a noisy room

3. Inattentional blindness

failing to notice obvious stimuli

4. Change blindness

failing to detect changes in scenes

Concept Check 🎯

### Key Points

• Selective attention: focusing on one stimulus while ignoring others
• Cocktail party effect: hearing your name in a noisy room
• Inattentional blindness: failing to notice obvious stimuli
• Change blindness: failing to detect changes in scenes

Concept Check 🎯

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## Perceptual Set & Context

Part 5 of 7 — Perceptual Set & Context

1. Perceptual set

expectations influence perception

2. Context effects

surrounding information affects interpretation

3. Schemas

mental frameworks that guide perception

4. Cultural influences on perception

Cultural influences on perception

Concept Check 🎯

### Key Points

• Perceptual set: expectations influence perception
• Context effects: surrounding information affects interpretation
• Schemas: mental frameworks that guide perception
• Cultural influences on perception

Concept Check 🎯

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## Problem-Solving Workshop

Part 6 of 7 — Problem-Solving Workshop

1. Identifying Gestalt principles in images

Identifying Gestalt principles in images

2. Analyzing depth cue scenarios

Analyzing depth cue scenarios

3. Explaining visual illusions

Explaining visual illusions

4. Demonstrating selective attention phenomena

Demonstrating selective attention phenomena

Concept Check 🎯

### Key Points

• Identifying Gestalt principles in images
• Analyzing depth cue scenarios
• Explaining visual illusions
• Demonstrating selective attention phenomena

Concept Check 🎯

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## Synthesis & AP Review

Part 7 of 7 — Synthesis & AP Review

1. Perception is an active, constructive process

Perception is an active, constructive process

2. Experience shapes how we perceive

Experience shapes how we perceive

3. Attention is limited and selective

Attention is limited and selective

4. AP exam

perception applications

Concept Check 🎯

### Key Points

• Perception is an active, constructive process
• Experience shapes how we perceive
• Attention is limited and selective
• AP exam: perception applications

Concept Check 🎯

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