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21 Cards in this Set
- Front
- Back
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neuron |
nerve cell specialized for communication |
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dendrite |
receives signals |
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axon |
sends signals |
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synaptic vesicle |
sac containing neurotransmitters |
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neurotransmitter |
chemical messenger specialized for communication from neuron to neuron |
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synapse |
space between two connection neurons through which messages are transmitted chemically |
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synaptic cleft |
a gap into which neurotransmitters are released from the axon terminal |
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resting potential |
when neuron is not being stimulated or inhibited
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threshold |
membrane potential necessary to trigger an action potential |
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action potential |
electrical impulse that travels down the axon triggering the release of neurotransmitters |
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reuptake |
means of recycling neurotransmitters |
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endorphin |
chemical in brain that specialized role in pain reduction |
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plasticity |
ability of the nervous system to change |
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central nervous system |
brain and spinal cord |
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cerebral cortex |
outermost part of forebrain frontal lobes planning motor movements decisions temporal lobes left temporal - language memory |
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Somatosensory Cortex |
every bodily felling thumb head leg neck arm hip ect |
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Cerebellum |
responsible for coordinated motor activity Balance - ballerina |
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Corpus collosum |
connects left side of brain with right - bundle of neurons |
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2 cerebral hemispheres |
left and right hemispheres of cerebral cortex do different things sensing/moving |
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Alzheimers |
memory/recognizing problems temporal lobes extra garbage in synapse that makes firing between neurons hard neuron structure tangles and dies off |
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parkinsons disease |
dopamine hard time initiating movement |
