Ch 4- Sensation and Perception

Question 1

How we sense

Answer 1

1) stimulus 2) sensation

3) sensory coding (transduction) 4)perception

Question 2

transduction

Answer 2

sensory receptors produce neural impulses when receiving stimulus

Question 3

Kinesthetic sense

Answer 3

ability to sense body position/ movement of parts (squeezing between cars)

Question 4

Vestbiular sense

Answer 4

body orientation w.r.t. gravity

Question 5

Gate control theory

Answer 5

“neural gates” in spinal cord

-effected by bio, psyc, cultural

Question 6

Absolute threshold

Answer 6

min. amount of intensity of stimulus needed before we can sense it

Question 7

Difference threshold

Answer 7

min. amt of change until you notice a difference

Question 8

Weber;s Law

Answer 8

difference threshold depends on initial intensity,

- smaller intensity= smaller difference threshold

Question 9

Signal Detection Theory

Answer 9

how well you sense depends on person, stimulus, and background stimulus

Question 10

Sensory Adaptation

Answer 10

you get used to constant intensities of stimulus BC- sensory receptors get tired

Question 11

Figure and Ground

Answer 11

Gestalt Principle: assigning a background distinct from object

Question 12

Proximity and Similarity

Answer 12

Gestalt Principle: closer objects are, the more likely we group them as one object, and we tend to group objects by what looks alike

Question 13

The “Best” Forms

Answer 13

Gestalt Principle: we tend to complete, continue, connect images to make a whole image

Question 14

Prosopagnosia

Answer 14

Inability to recognize faces

Question 15

synesthesia

Answer 15

smelling colors, etc.