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Myers Psychology for AP - Unit 3

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biological psychology

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Terms in this set (83)

biological psychology

Branch of psychology concerned with the links between biology and behavior

A nerve cell; the basic building block of the nervous system

sensory neurons

Carry incoming information from the sensory receptors to the brain and spinal cord

Carry outgoing information from the brain and spinal cord to the muscles and glands

action potential

A brief change in a neuron's electrical charge.

A chemical that mimics the action of a neurotransmitter.

A chemical that opposes the action of a neurotransmitter.

The bushy, branching extensions of a neuron that receive messages and conduct impulses toward the cell body.

A long, thin fiber that transmits signals away from the neuron cell body to other neurons, or to muscles or glands.

central nervous system (CNS)

The brain and the spinal cord.

endocrine system

A group of glands that secrete chemicals into the bloodstream that help control bodily functioning.

The chemical substances released by the endocrine glands.

autonomic nervous system (ANS)

The system of nerves that connect to the heart, blood vessels, smooth muscles, and glands.

Bundles of neuron fibers (axons) that are routed together in the peripheral nervous system.

neurotransmitters

Chemicals that transmit information from one neuron to another.