Senses

Question 0

Subliminal Threshold

Answer 0

Stimuli below absolute threshold for conscious awareness

Question 1

Absolute Threshold

Answer 1

Minimum stimulation needed to detect a particular stimulus 50% of the time

Question 2

Backmasking

Answer 2

Sound is recorded backwards; messages are subliminally placed

Question 3

Sensory Adaptation

Answer 3

Diminished sensitivity as a consquence of constant stimulation

Question 4

Blind Spot

Answer 4

Part of the retina; no receptor cells

Question 5

Transduction

Answer 5

Transformation of stimulus energy into neural impulses; Phototransduction - Light

Question 6

Pupil

Answer 6

Opening in eye

Question 7

Iris

Answer 7

Controls the size of the pupil opening

Question 8

Lens

Answer 8

Focus images; as we age it loses ability to change shape

Question 9

Retina

Answer 9

Containing receptor rods and cones

Question 10

Rods

Answer 10

Detects black, white, and gray; low light

Question 11

Cones

Answer 11

Color vision; well-lit conditions

Question 12

Blindsight

Answer 12

Ability to respond appropriately to visual inputs while lacking the feeling of having seen them

Question 13

Feature Detectors

Answer 13

Nerve cells in the brain that respond to specific features; shape, angle, movement

Question 14

Parallel Processing

Answer 14

Simultaneous processing of several aspects of a problem simultaneously

Question 15

Trichromatic Theory

Answer 15

Retina should contain three receptors that are sensitive to red, blue, and green colors

Question 16

Opponent-Process Theory (After-Images)

Answer 16

Opposing retinal processes enable color vision; cells located in the thalamus; red-green, black-white, blue-yellow

Question 17

Color Constancy

Answer 17

Color of an object remains the same under different illuminations

Question 18

Cochlea

Answer 18

Coiled, bony, fluid-filled in the inner ear that transforms sound vibrations to auditory signals

Question 19

Localization of Sounds

Answer 19

Sounds that reach one ear faster than the other ear

Question 20

Sense of Touch

Answer 20

Mix of pressure, warmth, cold, and pain

Question 21

Taste

Answer 21

Sweet, salty, sour, and bitter tastes; Umami

Question 22

Sensory Interaction

Answer 22

One sense may influence another; smell of influences its taste

Question 23

Smell (Olfaction)

Answer 23

Odorants enter the nasal cavity to stimulate receptors

Question 24

Kinesthesis

Answer 24

System for sensing the position and movements of individual body parts

Question 25

Vestibular Sense

Answer 25

Sense of balance