Section 2: Sensation

Question 1

which one is active and which on is passive (sensation and perception )

Answer 1

sen = pas
percep = active

Question 2

how are waves translated into sensation

Answer 2

stimulus is transduced (sensory coding ) and sent as a neural impulse to the brain, brain make feelers

Question 3

what is bottom up ?

Answer 3

all senses

Question 4

what is a threshold

Answer 4

level of energy req by a stim for it ot be perceived

Question 5

what is signal detection theory

Answer 5

people do not always detect a signal at the same time or same way

Question 6

What is difference threshold

Answer 6

point at which you can tell stim a is diff sim b

Question 7

look at the diagram in the slides cunt

Answer 7

? fuck you answering for ?

Question 8

what is sensory adaptation

Answer 8

decline in sensitiv to prolonged stimulation

Question 9

rods

Answer 9

low light

Question 10

cones

Answer 10

colour and bright

Question 11

trichromatic theory

Answer 11

RGB ,
photoreceptors made to pick up these colours
not possible to have all colour recpets
diff intensity of the colour makes you see other colours

Question 12

opponent process theory

Answer 12

colour perception depends on receptors that make antagonistic responses to make pairs of colours :
RvG
YvB
Black vs white (race war )

Question 13

what are visual pathways

Answer 13

Axons leave from back of eyes from optic nerve which go into the thalamus
from thalamus to primary visual cortex to occipital lobe

Question 14

waht is the primary ,sec, and tert visual areas

Answer 14

lower level tasks
colour and movement
write and math

Question 15

what is perceptual expectancy

Answer 15

old woman young woman slides what the fuck

Question 16

perceptual constancy

Answer 16

shit stays the same size at diff angles , color shape size ;

Question 17

moncular and binocular (top down what?)

Answer 17

topdown , bottomup