sensory processes Flashcards

0
Q

means by which nervous system recieves information from internal environment

A

interoreception

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1
Q

means by which nervous system recieves information from external environment

A

exteroreception

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2
Q

means by which the nervous system recieves information from the position and movement of the body

A

proprioreception

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3
Q

conscious preception of sensory stimuli and generally involves the cerebral cortex

A

sensation

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4
Q

receptors that receive sensory information and convert to electrical activity

A

transduction

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5
Q

what two things could communicate with the afferent neuron in sensory receptors

A

dendrite or a scpecialized cell (vision, hearing, etc.)

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6
Q

if membrane channels are opened, resluting in in changes in membrane potential

A

ionotropic

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7
Q

if g-coupled protein receptors interact with the stimuli to trigger a secondary messenger cascade

A

metabotropic

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8
Q

receptors that are at the ends of afferent neurons

A

touch receptors

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9
Q

touch receptors that stretch activated channels

A

ionotropic

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10
Q

4 types of nerve endings

A

merkel disks: form and texture (shallow)
ruffini ending: pressure (deep)
meissner’s corpuscle: sensitive touch (shallow)
pascinian corpuscle: pressure (deep)

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11
Q

another word for taste

A

gustation

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12
Q

taste receptors

A

taste cells clustered to form buds

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13
Q

5 taste sensations

A
bitter
salty 
sweet 
sour 
bitter
umami
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14
Q

salty and sour: ionotropic or metabotropic

A

ionotropic

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15
Q

sweet, bitter, umami: ionotropic or metabotropic

A

metabotropic

16
Q

allows animal to distinguish between many different tastes

A

simultaneous olfaction

17
Q

another word for smell

A

olfaction

18
Q

true or false: particles must be dissolved in the mucus to interact with the receptors

A

true

19
Q

hearing: basilar membrane vibration pushes ____ cells onto ____ membrane

A

hair, tectorial

20
Q

what controls the light entering the eye

A

iris/pupil

21
Q

what focuses light/image on the retina

A

cornea and lens

22
Q

photoreceptors that respond to light are called

A

rods and cones

23
Q

what do bipolar and ganglionic cells do

A

conduct signals

24
Q

what do horizontal and Amacrine cells in the eye do

A

visual integration

25
Q

part of the brain where the optic nerves from each eye cross

A

optic chiasm

26
Q

nerves from lateral side of each eye go to ___ side(s) of brain

A

same

27
Q

nerves from medial side of each eye go to ____ side(s) of brain

A

opposite

28
Q

part of environment from where light can enter the eye

A

visual field

29
Q

type of vision that allows for depth perception

A

binocular vision

30
Q

predators have ____ vision, whereas prey have ____ vision.

A

binocular, monocular