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Neuroscience (By Chapter) > Ch. 6 Spinal Cord Pathways (Somatosensory) > Flashcards

Ch. 6 Spinal Cord Pathways (Somatosensory) Flashcards

1
Q

Spinocerebellar Axons

A

Ia
Ib
II

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2
Q

Spinocerebellar Function

A

unconscious proprioception for movement correction

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3
Q

Spinocerebellar Neurons

A

1st order: periphery to dorsal horn
2nd order: dorsal horn to cerebellum (thru lateral column)

DOES NOT CROSS MIDLINE

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4
Q

Dorsal Column Tract Axons

A

Ia
Ib
II
A-Beta

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5
Q

Dorsal Column Neurons

A

1st order: periphery to medulla

2nd: cross midline; medulla to thalamus
3rd: thalamus to parietal corte

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6
Q

Dorsal Column Function

A
  • light touch (A-beta)
  • vibration (A-beta)
  • conscious proprioception (Ia, Ib, II)
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7
Q

4 Anterolateral Column Pathways

A
  • spinothalamic
  • spinolimbic
  • spinomesencephalic
  • spinoreticular
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8
Q

Spinolimbic Axons

A

C

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9
Q

Spinolimbic Function

A
  • slow pain/temp

- limbic aspects of pain experience

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10
Q

Spinolimbic Neurons

A

1st order: periphery to dorsal horn

2nd: cross midline; dorsal horn to thalamus
3rd: thalamus to subcortical limbic/autonomic centers

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11
Q

Spinothalamic Axons

A

A-Delta

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12
Q

Spinothalamic Function

A
  • discrimminitive fast pain
  • discriminitive fast temp
  • course touch (non-discrim)
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13
Q

Spinothalamic Neurons

A

1st order: periphery to dorsal horn

2nd: cross midline; dorsal horn to thalamus
3rd: thalamus to parietal cortex

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14
Q

Spinomesencephalic Axons

A

c

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15
Q

Spinomesencephalic Function

A
  • slow pain/temp
  • visual orientation to pain
  • internal pain modulation system
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16
Q

Spinomesencephalic neurons

A

1st order: periphery to dorsal horn
2nd: cross midline; dorsal horn to midbrain
(superior colliculi and periaqueductal grey)

17
Q

Spinoreticular Axons

A

C

18
Q

Spinoreticular Function

A
  • slow pain/temp

- modulate arousal due to pain

19
Q

Spinoreticular Neurons

A

1st order: periphery to dorsal horn

2nd: cross midline; dorsal horn to reticular formation (pons, medulla and midbrain)

Neuroscience (By Chapter) (21 decks)

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