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Definition
| Chemical produced by a nerve and released when the nerve is stimulated; reacts with a specific receptor site. |
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| Area in the midbrain that is rich in epinephrine, norepinephrine, and serotonin and seems to control emotions |
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| Lower area of the brain, associated with coordination of unconscious muscle movements that involve movement and position |
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| Drug used to depress the central nervous system (CNS); prevents the signs and symptoms of anxiety |
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| Behavioral disease that involves extremes of depression alternating with hyperactivity and excitement |
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Definition
| Drug used to depress the CNS and cause sleep |
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Definition
| Loss of awareness of and reaction to environmental stimuli |
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| The most common type of psychosis; characteristics include hallucinations, paranoia, delusions, speech abnormalities and affective problems. |
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| Feeling that a person experiences when he or she responses emotionally to the environment |
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| Affective disorder in which a person experiences sadness that is much more severe and longer lasting that is warranted by the events that seems to have precipitated it, with a more intense mood; the condition may not even be traceable to a specific event or stressor |
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Definition
| acts both as a chemical messenger that transmits nerve signals between nerve cells and that causes blood vessels to narrow. Changes in the serotonin levels in the brain can alter the mood. |
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| An amine found in food that causes vasoconstriction and raises blood pressure; ingesting foods high in tyramine while taking an MAOI poses the risk of a severe hypertensive crisis |
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Term
| Tricyclic antidepressants |
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Definition
| Drug that block the reuptake of norepinephrine and serotonin; relieves depression and has anticholinergic and sedative effects |
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Definition
| Unpleasant feeling of tension, fear, or nervousness in response to an environmental stimulus, whether real or imaginary |
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Term
| Attention deficit disorder |
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Definition
| Behavioral syndrome characterized by an inability to concentrate for longer than a few minutes and excessive ability |
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Definition
| Mental disorder characterized by daytime sleepiness and periods of sudden loss of wakefulness |
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| A neurological syndrome characterized by repetitive, involuntary, purposeless movements caused by the long-term use of certain drugs called neuroleptics used for psychiatric, gastrointestinal and neurological disorders such as Parkinson's disease |
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| A reversible syndrome resembling parkinsonism that may result from the dopamine-blocking action of antipsychotic drugs. Also known as drug-induced parkinsonism. |
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Definition
| A movement disorder characterized by a feeling of inner restlessness and a compelling need to be in constant motion as well as by actions such as rocking while standing or sitting, lifting the feet as if marching on the spot and crossing and uncrossing the legs while sitting |
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Definition
| movement disorders in which sustained muscle contractions cause twisting and repetitive movements or abnormal postures. |
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Term
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Definition
| Cells from the cortex and subcortical areas, including the basal ganglia and the cerebellum, which coordinate unconsciously controlled muscle activity; allows the body to make automatic adjustments in posture or position and balance |
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