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Biology of psychology > Touch > Flashcards

Touch Flashcards

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1
Q

skin functions

A
  1. mechanical barrier
  2. insulation
  3. secretion of hormones
  4. vitamin D synthesis
  5. touch sense
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2
Q

most sweat glands location

A

hands + feet

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3
Q

hypothalamus relation to sweat

A

more blood in hypothalamus (exercise, high temp) = more sweating

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4
Q

emotional sweating

A

from anxiety, acetylcholine activates eccrine glands

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5
Q

eccrine glands function

A

producing sweat

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6
Q

sebaceous gland function

A

realeases oily sebum as barrier
- too much production from hormonal problems leads to acne

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7
Q

cutaneous receptors

A
  1. mechanoreceptors
  2. thermoreceptors
  3. nocireceptors
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8
Q

mechanoreceptors function

A

senses pressure, most on feet + palms

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9
Q

nocirepetors

A

pain receptors

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10
Q

FA I mechanoreceptor

A

rapidly adapting
small receptor field
Meissner corpuscule
- quick touches

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11
Q

FA II mechanoreceptor

A

rapidly adapting
big receptor field
Pacinian corpuscule
- light touches

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12
Q

SA I

A

slow adapting
small receptor field
Merkel discs - feeling of rougness

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13
Q

SA II

A

slow adapting
big receptor field
Ruffini corpuscule – skin stretch

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14
Q

free nerve ending detects

A

itches, touch, pressure

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15
Q

discriminative touch systems

A
  • glabrous skin of hand
  • conveys properties
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16
Q

displacement behaviour

A

touch in response to stress
- scratching head

17
Q

benefits of touch

A
  • faster development
  • learn faster
  • better immunity
  • less shy around sexual behaviour
  • gene expression that reduces anxiety
18
Q

affilitative interpersonal touch

A
  • gentle touches that active CT fibres
  • linked to pleasant feelings
19
Q

kinesthesia

A

perception of own body movement

20
Q

thermoreceptors

A
  • free, unspecialized nerve endings that react to change in temp
  • adapt fast
21
Q

interoception location

A

insular cortex (lateral sulci)

22
Q

identification by touch

A
  • lateral motions
  • pressure
  • enclosure
  • contour following
23
Q

antinociception

A

blocking pain detection, opiates

Biology of psychology (10 decks)

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