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Neuroplasticity

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Cell proliferation in the developing nervous system begins in which area?

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A. Cortical plate

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B. Intermediate zone

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C. Subplate

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D. Ventricular zone

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D. Ventricular zone

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Which progenitor cells help to guide developing neurons to the cortical plate?

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A. Ependymal cells

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B. Intermediate progenitor cells

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C. Radial glial cells

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D. Short neural precursors

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C. Radial glial cells

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The overproduction of axonal projections is balanced by what process that eliminates some of these projections?

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A. Apoptosis

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B. Cell migration

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C. Pruning

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D. Programmed cell death

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C. Pruning

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Adult neurogenesis differs from that in the developmental period by which of the following?

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A. It occurs only in the cortical plate of the mature brain

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B. It occurs only in neurogenic niches in the mature brain

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C. It occurs faster in the mature brain than the immature brain

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D. It occurs more easily than gliogenesis in the mature brain

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B. It occurs only in neurogenic niches in the mature brain

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Long-term potentiation is associated with which mechanism?

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A. Decreased calcium permeability

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B. Enlargement of dendritic spines

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C. Decreased protein synthesis

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D. Diminished actin polymerization

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B. Enlargement of dendritic spines

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Angiogenesis involves the creation of new blood vessels in the mature brain.

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A. True

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B. False

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B. False

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Microglial synaptic pruning is associated with

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A. LTD

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B. LTP

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C. synaptic scaling

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D. enhanced actin polymerization

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A. LTD

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Dying back of the proximal segment of the axon is known as:

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A. Anterograde degeneration

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B. Orthograde ...

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