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19 terms

Psychology Quiz 2

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Neurons
Dendrites are branching extensions of:
receive incoming signals for other neurons
What is the function of the dendrites?
dendrites to the cell body to the axon
When transmitting sensory information to the brain, an electric signal within a single neuron travels from:
Action Potential
brief electrical charge that travels down the axon of a neuron
Myelin Sheath
the sped at which a neural impulse travels is increased when the axon is encased by a:
Threshold
the minimum level of stimulation required to trigger a neural impulse
Synapse
junction between a sending neuron and a receiving neuron
Neurotransmitters
chemical passengers released into the spatial junctions between neurons
depression
undersupply of serotonin is most likely linked to
peripheral
the two major divisions of the nervous system are the central and the ___________ nervous systems
reflex
a simple, inborn response to a sensory stimulus is called a
Endocrine System
hormones are chemical messengers of the
brainstem
reticular information is held here
cerebellum
"little brain" attached to the rear of the brainstem
lesion
surgical destruction of brain tissue
EEG
amplified recoding of the waves of electrical activity that sweep across the surface of the brain is known as an
Sensory Cortex
area at the front of the parietal lobes that receives information from the movement of the body parts
Cerebral Cortex
association areas are located in the _______________
plasticity
the capacity of one brain area to take over the functions of another damaged brain area is ___________