plasticity and functional recovery Flashcards

1
Q

define plasticity

A

describes the brains tendency to change and adapt as a result of experiences and new learning. involves the growth of new connections

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2
Q

define functional recovery

A

form of plasticity. The brains ability to redistribute or transfer functions usually performed by a damaged area.

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3
Q

what are synaptic connection

A

as we age some connections are removed and some are strengthen through synaptic pruning.

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4
Q

what did Maguire et al study

A

looked at grey matter in the posterior hippocampus in London taxi drivers than a control group.

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5
Q

what did Maguire et al find.

A

knowledge of city street and overall learning altered the structured differenced. Bigger grey matter

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6
Q

what is the hippocampus linked to

A

spatial and navigational skills

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7
Q

what is functional recovery a good example of/

A

neural plasticity.

healthy brain areas take over functions of areas damaged.

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8
Q

when dose functional recovery happen

A

after spontaneous recovery.

brain rewires itself by forming new synaptic connections. - secondary neural pathways activated to help functioning continue.

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9
Q

what changes happen to the brain during recovery

A

Axonal sprouting

denervation supersensitivyt

recruitment of homologous

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10
Q

what is axon sprouting

A

growth of new nerf endings which connect other undamaged cells forming new neuronal pathways.

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11
Q

what is denervation super sensitivity

A

axons that do similar jobs become aroused to a higher level compensating for loss.

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12
Q

what is recruitment of homologous

A

areas on the opposite side of the brain to perform specific tasks.

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