Senstion and perception

Question 1

webers law

Answer 1

the just noticeable difference will vary depending on its relation to the original stimulus . the size of the just noticeable difference is proportional to the strength of the original stimulus

Question 2

there is no single absolute threshold. dection depends upon a combination of stimulus intensity, background noise, and a person’s physical condition, biases, and level of motivation

Answer 2

signal detection theory

Question 3

concentration of cones

Answer 3

fovea in the center of the retina

Question 4

Basilar membrane

Answer 4

runs the length of the cochlea. holds the hair cell receptors for hearing

Question 5

conduction deafness

Answer 5

bones damages. hearing aid used

Question 6

nerve deafness

Answer 6

exposure to noise

Question 7

vestibular sense

Answer 7

sense of balance and equilibrium

Question 8

Gestalt principles or organization

Answer 8

Figure ground relationship 
Perceptual grouping 
-similarity
-proximity
-closure

Question 9

Monocular depth cues

Answer 9

linear perspective
aerial perspective
relative size
motion parallax

Question 10

Binocular depth cues

Answer 10

convergence

retinal disparity

Question 11

stages of sleep

Answer 11

1: light sleep
2: true sleep -sleep spindles
3 and 4: deep sleep. low levels of breathing and heart rate
REM: paradoxical
about 5 cycles in a night

Question 12

hypnosis practical applications

Answer 12

reduces stress, teat pain, manage pain during medical procedure, lose weight and stop smoking

Question 13

dissociation

Answer 13

divided consciousness under hypnosis

Question 14

psychoactive drugs

Answer 14

chemicals that change conscious awareness, mood, and perception

Question 15

alcohol is a

Answer 15

depressant

Question 16

Transduction

Answer 16

conversion of stimuli into neural impulses the brain can understand