PSYC 1F90 Chapter Notes - Chapter 25: Neuron, Cannabis Sativa, Barbiturate
9 Mar 2016
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Drug-altered consciousness: psychoactive drug a substance capable of altering attention, memory, judgment, time sense, self-control, mood, or perception. Stimulant/upper a substance that increases activity in the body and nervous system. Depressant/downer a substance that decreases activity in the body and nervous system. Addictive substances, stimulate the brain reward system, that produces feelings of pleasure: drug dependence. Physical dependence physical addiction, as indicated by the presence of drug tolerance and withdrawal symptoms. Psychological dependence drug dependence that is based primarily on emotional or psychological needs. Drug use can be describe as either . Various effects like vomiting, extremely high blood pressure, fatal heart attacks, and disabling strokes. Amphetamines speed up the use of the body"s resources: mdma ecstasy. Causes neurons to release extra serotonin, and prolongs the effects of this neurotransmitter in the brain: cocaine central nervous system stimulant. Extracted from the leaves of the coca plant. Gives feelings of alertness, euphoria, and pleasure.
