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Neuro II > Diencephalon > Flashcards

Diencephalon Flashcards

1
Q

Parts of the diencephalon

A

Thalamus (Dorsal thalamus)
Epithalamus
Hypothalamus
Subthalamus

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2
Q

Parts of epithalamus

A

Pineal gland
Habenula
Subthalamus

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3
Q

Pineal

A

Release of melatonin, circadian cycle

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4
Q

Habenula

A

Limbic relay nuclei

Negative reward system

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5
Q

Parts of Subthalamus

A

Basail Ganglia

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6
Q

Basil ganglia

A

Voluntary motor movements
Procedural learning
Habits

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7
Q

Function of thalamus

A

Filter stimuli from multiple sensory pathways except olfaction
Relay sensory & cortical information back to the cortex
Control the excitability of the cortex

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8
Q

The thalamus is located bewteen

A

3rd ventricle & internal capsule

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9
Q

2 modes for thalamic neurons

A

Burst and tonic mode

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10
Q

Burst mode

A

Rhythmic & inhibitory

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11
Q

Tonic

A

Responds to input\information

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12
Q

4 types of thalamic nuclei

A

Relay nuclei
Association nuclei
Intralaminar nuclei
Reticular thalamic nuclei

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13
Q

Relay nuclei

A

Filter information before it reaches the cortex

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14
Q

Association nuclei

A

Receive input from multiple parts of the cortex and output back to the cortex

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15
Q

Intralaminar nuclei

A

Sleep wake cycle

Connected to basal ganglia & limbic systems

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16
Q

Reticular thalamic neurons

A

inhibitory neurons that reflect back to the thalamus

NO output to the cortex

17
Q

Ventral Posterolateral Nucleus (VPL)

A

Somatosensory information from body

18
Q

Ventral Posteromedial Nucleus (VPM)

A

Somatosensory information from head

19
Q

Medial Geniculate

A

Relay auditory information

20
Q

Later Geniculate

A

Relay visual information

21
Q

Metathalamus

A

Medial + lateral geniculate nucleus

22
Q

Ventral Lateral & Medial Nucleus

A

Initiation of movement
Inputs: Basal nuclei (substantia nigra and the globus pallidus)
Outputs: Premotor cortex

23
Q

Mediodorsal & Anterior Nuclei

A

Project to limbic areas of the brain

Neuro II (7 decks)

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