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12 terms

Neuroplasty

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Neuroplasty
ability of nervous system to remodel through changing function, size, structure or chemical profile
habituation
decrease release of neurtransmitters with repeated stimulation
habituation use
decrease reaponse to stimuli due to decreased number of synaptic connections
learning and memory
increase in number of synaptic connections and strength, increase in metabolic activity or synaptic efficiency
where learning and memory occur
in hippocampus, located in temporal lobe
wallerian degeneration
axon terminal cut from cell body - myelin, axon terminal, and post synaptic cells degenerate
axonal sprouting
schwan cell release nerve growth factor, only in PNS
denervation hypersensitivity
post synaptic membrane creates more receptor sites
synaptic hypereffectiveness
more info on fewer branches
disinhibition
unmasking silent synapses
cortical rearganization
reassignment of neuron function due to injury or repeated intense use
effective CNS treatment
treat during subacute and chronic stages, too soon may injur adjacent areas