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89364
action potential
Description
4 - Biological Mind Map on action potential, created by db56hse on 14/05/2013.
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4 - biological
4 - biological
Mind Map by
db56hse
, updated more than 1 year ago
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Created by
db56hse
over 11 years ago
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Resource summary
action potential
information carried between neurons chemically - neurotransmitters - within neurons electrically
sensory neurons send information to CNS - tissue damage triggers series of action potentials in group of neurons
motor neurons send information from CNS to muscles
sudden brief change in electrical resting voltage in cell and return - in fraction of a second
information encoded in 'frequency' of a potential - very cold > cold so more action potentials
important role in understanding nervous sytem - way of measuring how information is transmitted
accurate measurement by comparing activation with stable values at rest
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