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Cards In This Set
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Withdrawal
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Symptoms that occur when drug use discontinued after heavy and/or prolonged use
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Tolerance
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When same dose of psychoactive chemical, when given repeatedly, produces diminished effects
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Cross tolerance
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The ability of pharmacologically similar psychoactive chemicals to substitute for one another
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Abuse liability
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Level of risk associated with a psychoactive chemical that potentially leads to repeated use and/or addiction
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Reticular activating system
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Part of CNS that is responsible for a person's state of arousal
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Limbic system
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Part of CNS that is responsible for emotion
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Basal ganglia
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Part of CNS that is responsible for involuntary and fine motor skills
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Cerebral cortex
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Part of limbic system that controls voluntary motor skills and sensory input
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Hypothalamus
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Part of limbic system that acts as liason between CNS and autonomic nervous system
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Autonomic nervous system
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Component of peripheral nervous system that monitors unconscious bodily functions, including HR, breathing, digestion
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Sympathetic nervous system
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Secondary system of the autonomic nervous system that, when activated, will increase breathing, HR, etc
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Parasympathetic nervous system
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Secondary system of autonomic nervous system that, when activated, decreases breathing, HR, etc
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Excitatory
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Neurotransmitter that tells a neuron to send a message to its targeted cells
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Inhibitory
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Neurotransmitter that tells a neuron not to send a message to its targeted cells
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Acetylcholine
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Both inhibitory/excitatory. found in basal ganglia, cerebral cortex, RAS, PNS. hallucinogens, caffeine, nicotine
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