T2 Parkinson's Module Tutorial

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Which structure is responsible for the initiation of voluntary movement?

Substantia nigra

Thalamus

Cerebral cortex

Basal ganglia (correct)

Which neurotransmitter is involved in the direct pathway of voluntary movement?

GABA

Dopamine

Substance P

Glutamate (correct)

In Parkinson's Disease, there is a reduction in the modulation of which neurotransmitter?

Glutamate

GABA

Serotonin

Dopamine (correct)

Which area of the brain forms a massive projection to clusters of cells in the pons, which in turn feed the cerebellum?

Frontal cortex Signup and view all the answers

Which nucleus in the thalamus acts as a relay for the motor loop through the cerebellum?

Ventral lateral nucleus Signup and view all the answers

What movement disorders result from damage to the cerebellum?

Ataxia, dysynergia, and dysmetria Signup and view all the answers

Which area of the cortex shows increased blood flow when a subject mentally rehearses finger movements without actually moving the fingers?

Supplementary Motor Area (SMA) Signup and view all the answers

Which area of the cortex registers increased blood flow when a subject actually moves their fingers after mentally rehearsing the movement?

Area 4 Signup and view all the answers

What is the organic basis of Parkinson's disease and how does dopa act to alleviate the symptoms?

Gradual degeneration of dopaminergic neurons in the substantia nigra; Dopa boosts dopamine synthesis in the dopaminergic neurons that remain in the substantia nigra Signup and view all the answers

Which structure is located in the pale region on handout page 4?

Caudate Signup and view all the answers

Which structure is located in the dark region on handout page 4?

External capsule Signup and view all the answers

Which structure is not labeled on handout page 4?

Substantia nigra Signup and view all the answers

T2 Parkinson's Module Tutorial

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Questions and Answers

Which structure is responsible for the initiation of voluntary movement?

Which neurotransmitter is involved in the direct pathway of voluntary movement?

In Parkinson's Disease, there is a reduction in the modulation of which neurotransmitter?

Which area of the brain forms a massive projection to clusters of cells in the pons, which in turn feed the cerebellum?

Which nucleus in the thalamus acts as a relay for the motor loop through the cerebellum?

What movement disorders result from damage to the cerebellum?

Which area of the cortex shows increased blood flow when a subject mentally rehearses finger movements without actually moving the fingers?

Which area of the cortex registers increased blood flow when a subject actually moves their fingers after mentally rehearsing the movement?

What is the organic basis of Parkinson's disease and how does dopa act to alleviate the symptoms?

Which structure is located in the pale region on handout page 4?

Which structure is located in the dark region on handout page 4?

Which structure is not labeled on handout page 4?

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