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Nuerons

behavioral nueroscience

TermDefinition
behavioral neuroscience psychologists who specialize in considering the ways in which the biological functions and structures of the body affect behavior
neurons basic elements of the nervous system which send messages that allow us to think, remember, and experience emotions
all-or-none law neurons are either off or on
resting state before a neuron is triggered, there is a negative electric charge of about 70 millivolts per neuron
action potential an electric nerve impulse that travels through a neuron when it is set off by a "trigger" changing the neurons charge from negative to positive
mirror neurons specialized neurons that fire not only when a person enacts a particular behavior, but also when a person observes another person carry out that behavior
dendrite a cluster of fibers at one end of a neuron that receive messages from other neurons
axon part of the nervous system that carries messages destined for other neurons
terminal buttons small bulges at the end of axons that send messages to other neurons
myelin sheath a protective coat of fat and protein that wraps around the neuron
synapse the space between the two neurons where the axon of a sending neuron communicates with the dendrite of a receiving neurons by using chemical messages
neurotransmitters chemicals that communicate messages from one neuron to another neuron across the synapse
excitatory messages chemical messages that make it more likely that a receiving neuron will fire and an action potential will travel down its axon
inhibitory messages chemical messages that prevent or decrease the likelihood that a receiving neuron will fire
reuptake the reabsorption of neurotransmitters
Created by: tiffels