lectures 1

Question 1

goal of sensation and perception

Answer 1

to find out about the external world

Question 2

what processes is sensation and perception the starting point of?

Answer 2

cognition
mental health
social
developmental/ educational

Question 3

what are the 10 senses?

Answer 3

vision 
hearing 
touch 
smell 
taste 
temperature 
pain 
balance 
acceleration 
body position

Question 4

physical association of taste

Answer 4

chemicals

Question 5

physical association of vision

Answer 5

light

Question 6

physical association of hearing

Answer 6

sound waves

Question 7

physical association of touch

Answer 7

pressure

Question 8

physical association of smell

Answer 8

chemicals

Question 9

receptor cells

Answer 9

specialised neurons that respond to a particular physical property of environmental stimuli `

Question 10

sensory receptors are sensitive to…

Answer 10

physical properties in the environment

Question 11

function of vision

Answer 11

object identification/ recognition
Navigation
Motion perception

Question 12

function of audition

Answer 12

Object identification/ recognition

object localisation

Question 13

function of touch

Answer 13

Object identification/ recognition

pain: detection of tissue damage

Question 14

function of smell and taste

Answer 14

chemical detection/ identification

nutrition and poison avoidance

Question 15

distal stimulus

Answer 15

physical object in the environment

Question 16

proximal stimulus

Answer 16

information about the distal stimulus received by the sensory receptor cells
a representation of the distal stimulus

Question 17

proximal stimulus

Answer 17

information about the distal stimulus received by the sensory receptor cells
a representation of the distal stimulus

Question 18

transduction

Answer 18

the transformation of environmental physical energy into electrical energy in the nervous system

Question 19

neural processing

Answer 19

electrical signals transmitted from one neuron to the next

signal changed as neurons interact

Question 20

perception

Answer 20

conscious sensory experinece

Question 21

recognition

Answer 21

placing an object in a category

Question 22

visual form agnosia

Answer 22

inability to recognise objects

Question 23

what does visual form agnosia highlight?

Answer 23

distinction between recognition and perception

Question 24

action

Answer 24

movement

Question 25

bottom up processing

Answer 25

processing based on incoming sensory information

Question 26

top down processing

Answer 26

processing based on prior knowledge, experience and assumptions

Question 27

why is top down processing important?

Answer 27

helps simplify the perceptual process

Question 28

is perception top down or bottom up?

Answer 28

both

Question 29

types of imaging

Answer 29

fMRI
MEG
EEG
PET

Question 30

physiological approaches to studying perception

Answer 30

studying anatomy 
recording brain activity 
-single cell recording 
-imaging
Micro stimulation 
Lesioning and TMS

Question 31

psychophysical approaches to studying perception

Answer 31

psychophysics lab

Question 31

psychophysical approaches to studying perception

Answer 31

psychophysics lab

Question 32

what does psychophysics do?

Answer 32

measures the relationship between stimulus and perception

uses carefully controlled experiments to test perceptual perfomance

Question 33

absolute detection

Answer 33

what is the smallest stimulus we can perceive?

Question 34

absolute intensity

Answer 34

taken as intensity that gives 75% correct performance

Question 35

galanter 1692

Answer 35

translated human absolute thresholds

Question 36

problem measuring absolute intensity

Answer 36

people have different criteria for saying yes I see it

Question 37

participants in psychophysics experiment

Answer 37

small number of participants

many repetitions

Question 38

name of function that graphs absolute detection

Answer 38

psychometric

Question 39

difference (discrimination)

Answer 39

what is the smallest difference we can perceive

Question 40

question type for discrimination

Answer 40

forced choice

Question 41

things to consider with value from difference discrimination

Answer 41

not a constant value/ quantity

it is related to the baseline level

Question 42

weber’s law

Answer 42

difference as a proportion of baseline quantity is constant (difference/ discrimination values)