Unit 4 Revision

Question 1

Psychophysics

Answer 1

• study of the relationship between stimulus and sensation (how people perceive things in the world around them)

Question 2

Parapsychology

Answer 2

the study of paranormal phenomena including ESP and psychokinesis

Question 3

clairvoyance

Answer 3

percieving remote events

Question 4

precognition

Answer 4

percieving future events

Question 5

Short Wavelength

Answer 5

• high frequency (bluish colors)
• high pitch

Question 6

Long Wavelength

Answer 6

• low frequency (reddish colors)
• low pitch

Question 7

big amplitude

Answer 7

bright and loud

Question 8

small amplitude

Answer 8

dull and quiet

Question 9

rods

Answer 9

• more than cones
• periphery
• highly sensitive in dim light
• black and white
• not detail sensitive

Question 10

cones

Answer 10

• less than cones
• center of vision
• low sensitivity in dim light
• colors
• detail sensitive

Question 11

accommodation

Answer 11

the process by which the eye’s lens changes to focus near or far objects on the retina

Question 12

fovea

Answer 12

central focal point in the retina, around which the eye’s cones cluster

Question 13

blindspots

Answer 13

lost information is filled in by brain based off of the surroundings

Question 14

blindsight

Answer 14

ability to respond to visual stimuli w/o consciously perceiving them

Question 15

binocular cues

Answer 15

retinal disparity

Question 16

moon illusion

Answer 16

moon looks bigger when closer to the horizon than high in the sky

Question 17

cilia

Answer 17

found on tips of hair cells, vibrating structure

Question 18

conduction hearing loss

Answer 18

caused by damage to the mechanical system in middle ear that conducts sound waves to the cochlea. the waves never reach teh cochlea.
- hearing aids

Question 19

sensorineural hearing loss

Answer 19

caused by damage to the cochlea’s receptor cells in inner ear or to the auditory nerve.
- cochlear implant

Question 20

place theory

Answer 20

• high frequencies
  the basilar membrane of the ear has different regions or areas which are stimulated depending on the frequency of the sound it receives.

Question 21

frequency theory

Answer 21

a sound heard is replicated and matched by the same amount of nerve impulses that are then transmitted to the brain.

Question 22

volley principle

Answer 22

neural cells alternate their firing

Question 23

skin sensations

Answer 23

pressure, warmth, cold, and pain

Question 24

olfactory bulb

Answer 24

sends smells to amygdala and hippocampus

Question 25

kinesthesia

Answer 25

kinesthetic sense has to do with sensing movement and position of body parts

Question 26

vestibular sense

Answer 26

vestibular sense detects movement in relation to gravity and the environment.