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Neuro Pt 4 > Forebrain- diencephalon > Flashcards

Forebrain- diencephalon Flashcards

1
Q

Brodmann’s areas (function and associated nuclei)

A

1-3: primary sensory (VPM, VPL)

4: motor (VA/VL)
17: primary visual (LGN)
41: primary auditory (MGN)

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2
Q

Visual (the name of the associated thalamic nucleus and the ultimate cortical target of the system)

A

Lateral geniculate nucleus

Projects to the primary visual cortex (Brodmann Area 17)

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3
Q

Auditory (the name of the associated thalamic nucleus and the ultimate cortical target of the system)

A

Medial geniculate nucleus

Superior temporal gyrus

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4
Q

Somatosensory for face (the name of the associated thalamic nucleus and the ultimate cortical target of the system)

A

VPM

Somatosensory cortex

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5
Q

Somatosensory for body (the name of the associated thalamic nucleus and the ultimate cortical target of the system)

A

VPL

Somatosensory cortex

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6
Q

Taste (the name of the associated thalamic nucleus and the ultimate cortical target of the system)

A

Goes to nucleus of solitary tract (NOT in thalamus)
Thalamic nucleus is VPM
The insular cortex (the insula and the operculum)

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7
Q

Hippocampal limbic (the name of the associated thalamic nucleus and the ultimate cortical target of the system)

A

Anterior nucleus of thalamus

Mamillary bodies and cortex (cingulate gyrus)

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8
Q

Amygdalar (the name of the associated thalamic nucleus and the ultimate cortical target of the system)

A

Bed nuc. of the Stria terminalis BNST: Septal nuclei (not in thalamus)
Hypothalamus via stria terminalis
Emotions and homeostasis

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9
Q

Three classes of nuclei

A

Relay
Association
Other

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10
Q

Relay nuclei

A

Restricted to one modality:

Anterior - limbic, input from mamillary
VA/VL - motor
VPL/VPM - somatosensory
LGN - visual 
MGN - auditory
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11
Q

Association nuclei

A

Multi modal

Dorsomedian - frontal cortex
Pulvinar - visual

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12
Q

Anterior limb of internal capsule (origin and destination)

A

Origin:
Anterior nucleus of thalamus
DM Nucleus

Destination:
Cingulate gyrus
Preforntal cortex

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13
Q

Posterior limb of internal capsule (origin and destination)

A

Origin:
Motor Cortex
VPL/VPM

Destination:
Spinal cord and brainstem
Postcentral gyrus

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14
Q

Retrolenticular limb of internal capsule (origin and destination)

A

Origin:
Pulvinar
LGN

Desitnation:
Parietal Association cortex
Visual Cortex

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15
Q

Sublenticular limb of internal capsule (origin and destination)

A

Origin:
LGN
MGN

Destination:
Visual Cortex
Auditory Cortex

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Neuro Pt 4 (25 decks)

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