Glossary
acetylcholine A chemical compound. A neurotransmitter found in the brain and at the nerve-muscle junction.
action potential An electrical impulse that moves down an axon and causes a release of neurotransmitter from the nerve terminal. A change in the electrical membrane potential of a cell that is necessary for communication between cells.
addict Someone dependent on drugs for maintaining functioning and or a state of well being. The DSM IV TR has the official definition of a variety of states of drug use.
adrenal gland Attached to the top of the kidneys, it participates in the stress response by releasing cortisol and other compounds.
amygdala A structure located deep within the brain; it is known to play a role in emotional memory ...
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