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Human Lab > Lab 5 Sensory Perception > Flashcards

Lab 5 Sensory Perception Flashcards

1
Q

Visual

A

Vision, light, photoreceptor, rods,cones

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2
Q

auditory

A

hearing, sund, mechanoreceptor,hair cells (cochlea)

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3
Q

vestibular

A

gravity, mechanoreceptors,hair cells(vestibular labyrinth)

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4
Q

somatosensory

A

somatic senses : touc, proprioception, temperature sense, pain, itch

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5
Q

touch

A

pressure,mecha,cutaneous mechanoreceptor

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6
Q

prioception

A

displacement,mechanore, muscle and joint receptors

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7
Q

temperature

A

thermal, thermorecep, cold and warm receptors

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8
Q

pain

A

chemical thermal mechanical, chemorecept, thermo, mecha, polymoidal/thermal/mechani nociceptors

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9
Q

itch

A

chemical chemorrecptor, chemical nociceptor

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10
Q

Gustatory

A

taste, chemical, chemorecpeor, taste buds

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11
Q

olfactory

A

smell, chemical, chemorec, olfactory sensory neurons

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12
Q

a decrease in sensitivity of the receptor despite maintenance of a constant strength stimuli

A

receptor adaptation

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13
Q

receptors produce action potentials as long as the stimulus persits

A

tonic or slow adaptation (cold)

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14
Q

receptors cause action potentials to be generated initially but return to their resting potential even though the stimulus continues to exist (heat)

A

phasic or fast adapting sensory receptor

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15
Q

the area on the skin that activates a sensory neuron

A

receptive field

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16
Q

the perception of the stimulus occurs in the cerebral cortex and causes characteristics electrical activity in different parts of the cortex

A

somatosensory receptors

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17
Q

Meissner’s

A

fine touch,light pressure- rapid adaptation

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18
Q

hair root plexus

A

touch, hair deflection, brushing, rapid/slow

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19
Q

free nerve endings

A

pain, temperature

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20
Q

pacinian corpuscle

A

deep pressure and vibration, rapid

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21
Q

merkels disc

A

touch, steady indentation, pressure, slow

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22
Q

ruffini’s end organ

A

deep pressure and stretch stimuli, rapid indentation, stretch, slow

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23
Q

somatosensory are not uniformly distributed instead they are

A

clustered or have different discrete locations

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24
Q

firing range

A

intensity

25
Q

time course

A

duration

26
Q

touch a subject with one point ask for description of where the touch occurred

A

tactile localization

27
Q

used drafting compass with the point far apart determine 2 points

A

two point discrimination

28
Q

two and half spirally coiled structure in the internal ear , contains the organ of corti on the spinal organ which is associate with sound perception

A

cochlea

29
Q

sound waves enter through oval window then…

A

travel to 3 chambers ; cochlear duct, scala vestibuli, turbulence, scala media

30
Q

electrical impulses generated by hair cells are transmitted by cochear branch of __

A

vestibulocochlear, VII cranial nerve

31
Q

tuning fork used to determine the type of hearing loss

A

hearing test

32
Q

auditory impulses from cochlea are not transmitted to the auditory cortex in the temporal lobes

A

sensorineural deafness

33
Q

when sound is poorly conducted by bones of the skull from ear drum to the oval window

A

conduction deafness

34
Q

test performed to check deafness : tuning fork in middle of forhead ; for sensorineural

A

weber’s test

35
Q

sound heard in the middle of his head

A

normal

36
Q

tone heard better in one ear and not on the other

A

abnormal

37
Q

patient has conduction deafness when

A

patient heard louder sound in the deaf ear than in the normal ear

38
Q

deaf ear

A

attenuation reflex is ineffective on ear resulting in the sound to be heard louder

39
Q

test that allows differentiation between sensorineural and conduction deafness

A

Rinne’s Test

40
Q

better hearing in deaf ear

A

conduction deafness

41
Q

better hearing in the normal ear

A

sensorineural deafness

42
Q

vestibular system

A

equilibrium

43
Q

play important role in equilibrium

A

crista ampularis

44
Q

help maintain static equilibrium / horizontal or vertical

A

maculae

45
Q

refers to the reflex responses seen when the eyes follow a moving object

A

nystagmus

46
Q

false sensation either the person or his world is rotating; sensation of dizziness

A

vertigo

47
Q

gravity sensors in the vestibule

A

maculae

48
Q

gelaniuos material contaiing small grains of calcium carbonate (otoliths)

A

otolithic membrane

49
Q

response to dim light and provide blurry image gray tones

A

rods

50
Q

yellow spot, respond only to bright light but provide sharply focused color images

A

cones

51
Q

pigment made up of vitamin A and protein, enables color vision

A

rhodopsin

52
Q

inability to see or distinguish between the different colors

A

color blindess

53
Q

test used to detect color vision

A

Ishihara Charts

54
Q

autonomic reflex that controls pupil size

A

accomodation

55
Q

lens of the eyes changes shape in order to accommodate the image on the retina

A

near point of vision

56
Q

where the photoreceptors are absent hence there is no visual input to the visual cortex

A

blind spot

57
Q

visual acuity test

A

snellen chart

58
Q

used to determine or test for field of vision for each eye

A

perimeter

Human Lab (12 decks)

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