sensory processes Flashcards

(31 cards)

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

16
Q

allows animal to distinguish between many different tastes

A

simultaneous olfaction

17
Q

another word for smell

18
Q

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

19
Q

hearing: basilar membrane vibration pushes ____ cells onto ____ membrane

A

hair, tectorial

20
Q

what controls the light entering the eye

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
what do horizontal and Amacrine cells in the eye do
visual integration
25
part of the brain where the optic nerves from each eye cross
optic chiasm
26
nerves from lateral side of each eye go to ___ side(s) of brain
same
27
nerves from medial side of each eye go to ____ side(s) of brain
opposite
28
part of environment from where light can enter the eye
visual field
29
type of vision that allows for depth perception
binocular vision
30
predators have ____ vision, whereas prey have ____ vision.
binocular, monocular