sensory Flashcards

1
Q

unique experience associated with a particular modality begins at _____

A

receptor

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2
Q

initial interaction of stimulus with receptor is _____: transformation of physical energy into neural signal

A

transduction

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3
Q

the type of energy that a given receptor type is most sensitive to

A

adequate stimulus

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4
Q

stimulation site(s) that elicit neural response

A

receptive field

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5
Q

types of receptors located on end of primary afferent neuron

A

somatosensory (mechanoreceptors, thermoreceptors, chemoreceptors, nociceptors)
olfaction (chemoreceptors)

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6
Q

types of receptors located on specialized receptor cell

A

vision (photoreceptors)
audition (mechanoreceptors)
balance (mechanoreceptors)
taste (chemoreceptors)

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7
Q

systems that use physical (direct) interaction of stimulus with membrane protein to open ion channel

A

somatosensory, vestibular, auditory, taste

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8
Q

systems that use molecular interaction of stimulus with membrane protein (G-protein)

A

vision, taste, olfaction

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9
Q

examples of direct transduction pathways

A
  1. Na transduction in the taste system
  2. mechanoreceptors Piezo1 and Piezo2- respond to pressure
  3. TRP receptors: Vanilloid receptor
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10
Q

vanilloid receptor (TRPV1 or V1) responds to:

A
  1. capsaicin
  2. heat (42 degree C)
  3. protons
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11
Q

stimulation of the vanilloid receptor results in _____

A

influx of cations (Na and Ca)

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12
Q

indirect G-protein coupled receptor systems

A
  1. olfaction (Golf and Gs)
  2. vision (rhodopsin)
  3. taste (gustducin)
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