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BIO PSYCHOLOGY > Touch Smell Taste > Flashcards

Touch Smell Taste Flashcards

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1
Q

system that provides information about the body senses, including touch, movement, pain, and temperature.

A

Somatosensory System:

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2
Q

sensory system that
provides information about the position and movement of the head.

A

Vestibular System:

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3
Q

Movement receptors

A
  • otolith organ
  • semicircular canal
  • saccule
  • linear acceleration
  • otolith
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4
Q

structure in the inner ear vestibular system that provides information
about the angle of the head relative to the
ground and about linear acceleration.

A

Otolith Organ:

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5
Q

one of three looping chambers found in inner ear that provide information regarding the rotation of the head.

A

Semicircular Canal

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6
Q

one of structures of otolith organs.

A

Saccule

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7
Q

: one of the structures of the otolith
organs.

A

Utricle

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8
Q

: force perceived when our rate of movement changes.

A

Linear Acceleration

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9
Q

: stone made of calcium carbonate that is attached to the hair cells in the otolith
organs

A

Otolith

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10
Q

Central pathways

A
  • Ventral posterior (VP) Nucleus
  • primary somatosensory cortex
  • Glabrous Skin
  • epidermis
  • dermis
  • subcutaneous Tissue
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11
Q

nucleus of
the thalamus that receives information regarding pain, touch, and the position and movement of the head.
.

A

Ventral Posterior (VP) Nucleus:

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12
Q

cortex located in the postcentral gyrus of the parietal lobe that is responsible for the initial
cortical processing of somatosensory input.

A

Primary Somatosensory Cortex:

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13
Q

: hairless skin.

A

Glabrous Skin

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14
Q

: outermost layer of the skin.

A

Epidermis

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15
Q

: layer of skin lying below the outermost epidermis.

A

Dermis

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16
Q

layer of tissue lying
below the dermis

A

Subcutaneous Tissue:

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17
Q

Touch Receptors

A
  • mechanoreceptors
  • encapsulated receptor
  • Meissner’s corpuscle
  • Pacinian corpuscle
  • Merkel’s disk
  • Ruffini’s ending
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18
Q

: skin receptor that senses touch, pressure, or vibration.

A

Mechanoreceptor

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19
Q

mechanoreceptor in which the axon fibers are surrounded by a
fluid-filled capsule formed of connective tissue

A

Encapsulated Receptor:

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20
Q

: encapsulated, fast-
adapting mechanoreceptor with small receptive field that responds primarily to pressure.

A

Meissner’s Corpuscle

21
Q

encapsulated, rapidly
adapting mechanoreceptor with large receptive field that provides information about pressure and vibration.

A

Pacinian Corpuscle:

22
Q

nonencapsulated, slow-
adapting mechanoreceptor with small receptive field that provides information primarily about pressure.

A

Merkel’s Disk:

23
Q

non encapsulated, slow-
adapting mechanoreceptor with large
receptive field that provides information
regarding stretch.

A

Ruffini’s Ending:

24
Q

myelinated fiber that
carries information about cold and sharp pain to the central nervous system.

A

Aδ (alpha-delta) Fiber

25
Q

small, unmyelinated fiber that carries information about temperature, itch,
and dull, aching pain to the central nervous
system.

A

C Fiber:

26
Q

: area of the skin surface served by the dorsal roots of one spinal segment.

A

Dermatome

27
Q

spinal pathway that carries information about touch and position to the medulla.

A

Dorsal Column:

28
Q

pathway originating in the dorsal column nuclei and synapsing in the ventral posterior (VP) nucleus of the
thalamus that is responsible for carrying
information about touch and position.

A

Medial Lemniscus:

29
Q

nerve
that carries Sensation from
mechanoreceptors, temperature receptors,
and pain receptors in the skin of the face,
mouth, tongue, & the dura mater of the brain.

A

Trigeminal Nerve (cranial nerve V):

30
Q

areas
in the parietal lobe adjacent to primary
somatosensory cortex that process a wide variety of complex somatosensory inputs.

A

Secondary Somatosensory Cortex:

31
Q

: nerve ending in the skin that responds to surface temperature.

A

Thermoreceptor

32
Q

nerve ending in the skin that
responds to heat.

A

Warm Fiber:

33
Q

nerve ending in the skin that responds to cold.

A

Cold Fiber:

34
Q

: nerve ending that responds to painful stimuli.

A

Nociceptor

35
Q

a: group of cells in the
outer gray matter of the dorsal horn that
receive synapses from pain fibers.

A

Substantia Gelatinos

36
Q

neurotransmitter substance
associated with the sense of pain that also serves as a stimulus at some nociceptors.

A

Substance P:

37
Q

: fibers that carry
pain and temperature information from the substantia gelatinosa to the thalamus.

A

Spinothalamic Pathway

38
Q

nucleus in the brainstem that receives pain and
temperature information from the head and neck.

A

Spinal Trigeminal Nucleus:

39
Q

pathway carrying
pain and temperature information from the
spinal trigeminal nucleus to the thalamus.

A

Trigeminal Lemniscus:

40
Q

one of many nuclei in the thalamus that receive some pain and
temperature input.

A

Intralaminar Nucleus:

41
Q

: the sense of smell.

A

Olfaction

42
Q

layer in the nasal
cavity containing olfactory receptors.

A

Olfactory Epithelium:

43
Q

: structures found within the olfactory bulbs.

A

Glomeruli

44
Q

fiber pathway connecting the olfactory bulbs to the olfactory cortex.

A

Olfactory Tract:

45
Q

: cortex in the frontal lobe that responds to the sense of smell.

A

Olfactory Cortex

46
Q

: one of the five basic taste groups, characteristic of tastes found in seaweed
and other “meaty or savory” elements of
Asian cuisine.

A

Umami

47
Q

: bumps on the tongue containing taste buds and taste receptors.

A

Papillae

48
Q

: small fibers extending from taste receptors.

A

Microvilli

49
Q

nucleus of the thalamus that receives information regarding taste.

A

Ventral Posterior Medial (VPM) nucleus of
the thalamus:

BIO PSYCHOLOGY (5 decks)

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