06-Sensation & perception

Why can you see?

Class presentation video:Sensation

What topics do you need help with?

What topics do you need help with?

• A. Similarity, closure, continuity & proximity• B. The visual cliff• C. Retinal disparity• D. Stroboscopic movement• E. I understand

What topics do you need help with?

• A. The phi phenomenon• B. The Ponzo illusion• C. Perceptual set• D. Context effects• E. I understand

What topics do you need help with?

• A. human factor psychologists• B. Demonstrated value of ESP• C. I understand

As you talk with a friend at a party, her voice is distinct from all the other

voices you hear. This illustrates the perceptual principle of:

A. grouping.B. proximity.C. closure.D. figure-ground.

As you talk with a friend at a party, her voice is distinct from all the other

voices you hear. This illustrates the perceptual principle of:

A. grouping.B. proximity.C. closure.D. figure-ground.

The way in which you quickly group the individual letters in this test item into

separate words best illustrates the principle of:

A. closure.B. proximity.C. continuity.D. convergence.

The way in which you quickly group the individual letters in this test item into

separate words best illustrates the principle of:

A. closure.B. proximity.C. continuity.D. convergence.

Makers of 3-D movies rely most heavily on:

A. the visual cliff.B. the Müller-Lyer illusion.C. retinal disparity.D. shape constancy.

Makers of 3-D movies rely most heavily on:

A. the visual cliff.B. the Müller-Lyer illusion.C. retinal disparity.D. shape constancy.

After hearing that Bryce had served a prison sentence, Janet began to perceive his friendly behavior as insincere and manipulative. This

best illustrates the impact of:

A. perceptual sets.B. visual capture.C. bottom-up processing.D. sensory adaptation.

After hearing that Bryce had served a prison sentence, Janet began to perceive his friendly behavior as insincere and manipulative. This

best illustrates the impact of:

A. perceptual sets.B. visual capture.C. bottom-up processing.D. sensory adaptation.

If a person were able to sense that his friend’s dog was lost and needed help, this

person would be said to have:

A. psychokinesis.B. telepathy.C. precognition.D. clairvoyance.

If a person were able to sense that his friend’s dog was lost and needed help, this

person would be said to have:

A. psychokinesis.B. telepathy.C. precognition.D. clairvoyance.

As we perceive the environment, we use Gestalt principles of good form to help organize things into

meaningful groups and forms. In observing a football game on TV we are immediately able to

recognize the players as members of their respective teams, regardless of their positions on

the field. Which Gestalt principle is most responsible for this ability?

A. closureB. proximityC. similarityD. continuity

As we perceive the environment, we use Gestalt principles of good form to help organize things into

meaningful groups and forms. In observing a football game on TV we are immediately able to

recognize the players as members of their respective teams, regardless of their positions on

the field. Which Gestalt principle is most responsible for this ability?

A. closureB. proximityC. similarityD. continuity

You are most likely to observe the phi phenomenon while:

A. looking at a string of Christmas tree lights that blink quickly in succession.

B. comparing the size of the moon while its in the sky to its size near the horizon.

C. attempting to catch fly ball that is quickly coming toward you.

You are most likely to observe the phi phenomenon while:

A. looking at a string of Christmas tree lights that blink quickly in succession.

B. comparing the size of the moon while its in the sky to its size near the horizon.

C. attempting to catch fly ball that is quickly coming toward you.

Negative afterimage

.

What happened?

Why did that happen?

Why did that happen?

By staring at the green and yellow image, you tired the green and yellow response of those neurons. When you looked at the white screen, only the red part (of the red-green paring) or the blue part (of the yellow-blue paring) will fire normally.

The opponent process theory

Discussion

• 1. Did you try the “floating finger sausage”? Did it work? Why did it work?

• • 2. Have you seen an example of the relative motion discussed

in the text? What was it?• • 3. Do you have an example of perceptual set that you have

encountered?• • 4. How could human factor psychologists be used in space

exploration?

• Last night one of your Mother’s friends had a car accident. Your mother feels guilty because three days ago she dreamed of such an accident but failed to warn her friend. How would you explain your mother’s experience? What advice would you give her?