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Module 9 Vocabulary - Biological Psychology & Neurotransmission

Across
the junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
the extension of a neuron, ending in branching terminal fibers, through which messages pass to other neurons or to muscles or glands.
a molecule that, by binding to a receptor site, inhibits or blocks a response
the level of stimulation required to trigger a neural impulse.
chemical messengers that cross the synaptic gaps between neurons.
a branch of psychology concerned with the links between biology and behavior.
a neurotransmitter’s reabsorption by the sending neuron.
a neural impulse; a brief electrical charge that travels down an axon.
Down
molecule that, by binding to a receptor site, stimulates a response
a nerve cell; the basic building block of the nervous system.
a layer of fatty tissue segmentally encasing the fibers of many neurons; enables vastly greater transmission speed of neural impulses as the impulse hops from one node to the next.
a time of inactivity after a neuron has fired
a neuron’s reaction of either firing or not firing
the bushy, branching extensions of a neuron that receive messages and conduct impulses toward the cell body.
a natural, opiate-like neurotransmitters linked to pain control and to pleasure