The Biology Of Behavior Flashcards
The function of dendrites is what?
receive incoming signals from other neurons.
Neural networks refer to what?
interrelated clusters of neurons in the central nervous system.
Central nervous system neurons that process information between sensory inputs and motor outputs are called?
interneurons.
A biological psychologist would be most interested in conducting research on the relationship between what?
neurotransmitters and depression.
A brief electrical charge that travels down the axon of a neuron is called what?
action potential.
What is the sequence of brain regions from the evolutionarily oldest to newest?
brainstem, limbic system, cerebral cortex.
The chemical messengers released into the spatial junctions between neurons are called what?
neurotransmitters.
Increasing excitatory signals above the threshold for neural activation will not affect the intensity of an action potential. This indicates that a neuron’s reaction is what?
an all-or-none response.
Addictive disorders may stem from malfunctioning reward centers in the?
limbic system.
The capacity of a brain area to reorganize in response to damage is known as brain what?
plasticity.
Hormones are the chemical messengers of what system?
endocrine system.
The corpus callosum is a wide band of axon fibers that does what?
transmits information between the cerebral hemispheres.
The parietal lobes are to ________ as the occipital lobes are to ________.
sensing touch; seeing
When Jenny saw that a large barking dog was enclosed by a very high fence, her racing heartbeat began to slow. The slowed heartbeat was most directly regulated by her what?
parasympathetic nervous system.
The body’s speedy electrochemical information network is called what?
nervous system.
