AP Psych Review Video 3 PDF

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AP Psych Review Video 3.2-3.4 Principles of Perception & Visual Perception Directions: Visit the AP Psych page on YouTube and watch Video 3.2-3.4. Complete the guided viewing notes and exit ticket. FRQ Review Last Lesson: Sensory Adaptation

Difference Threshold

Retinal Disparity

Top-Down Processing

Definition: Sensory adaptation is when after a certain time, we can no longer notice or percieve stimuli or sensation even though its present.

Example The differential threshold is the point at which a change in stimulus can be noticed.

Definition Retinal disparity is a depth perception cue where the brain analyzes the difference between the information it recieves from the two retinas.

Definition Top down procesing is how our mind organizes sensory information. Our mind often percieves the whole picture instead of noticing details.

Application In melly’s case, after the first few minutes of laying down on the itchy couch she no longer notices the sensation on her skin.

Application Melly had a hard time choosing paint because she could notice the differences in color or the frequency of light from the paint.

Application Melly used retinal disparity to see that the park was far away.

Application Melly’s mind saw her apartment as a unified, whole concept of a home rather than individual elements of chair, sofa and painted walls.

How Did You Do?

Influence of Experience & Culture on Perceptual Processes What is this symbol ( # )

Hashtag

Define Perceptual Set A way of percieving the world based on context, experiences, motivation and emotions. How did your experience influence your symbol?

I grew up calling It a hashtag.

Explain “What we perceive isn’t what we sense” - can use example

They overlap but they’re not the same.

Why don’t we see the world accurately? We have two eyes but only see one of each thing.

We have two blind spots but our mind fills them in.

Everything we see is upside down.

“We see (hear/feel) with our brain; not with our eyes (ears/skin)” How do the following examples illustrate his statement? Phantom Pain

Placebo Pain

Hallucinations

Perceptual Set What is in the middle box? 13 Define Priming

Getting someone to think a certain way

How did expectation influence perception?

We expected a number

Perceptual Set is based on what 4 things? How does motivation influence perception?

Words are percieved less clearly.

How does emotion influence perception? Perceptual Constancies Size Ex: something coming toward you vs balloon being blown up in front of you.

Color Ex: did you ever see green grass in the dark

Shape Ex: move rectangular paper

Brightness Ex: gray area constancies are types of illusions.

Rocco Check for Understanding: Guess: context effects

Answer: 

Role of Attention in Behavior We can only pay attention to one thing at a time! Mult-tasking IS NOT: paying attention to two things at once.

Define Inattentional Blindness

Multi-tasking IS: task switching

The eyes are sending a signal, the brain is simply busy with another cognitive task.

Why does it happen?

Doesn’t want to do the task.

Subliminal Perceptions Mere Exposure The more you see something, the more you will remember it and like it.

Priming Do stage magicians really read your mind?

Phi Phenomenon/Stroboscopic Effect ????

Check for Understanding: Guess: E

Why B?

Why E?

Top Down Processing & Vulnerability to Illusion Why neurological not optical illusions?

The mind is using the wrong directions.

Rules based on: Non-Optical Examples:

Rubber Hand Illusion

McGurk Effect

Shepard Tone Illusion

Luis Check for Understanding: Hit Pause! Guess: ??

Answer: A

AP Exam Practice: Carly Schmidlap really enjoys going to see movies in theaters. She loves the popcorn, the seats, the sound system, and the whole experience. Please explain how the following concepts will add to her enjoyment of watching a movie in a theater. ●

Perceptual constancy

●

Context cues

●

Phi phenomenon

●

Priming

Exit Ticket:

I Feel Confident/Better About: Perceptual constancies, influence on culture

But I Still Have Questions Surrounding: Illusion, types of pain, perceptual set and FRQ...