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  • Drug therapy, the control of psychological disorders through drugs, works by altering the operation of neurotransmitters and neurons in the brain.
    • Some drugs operate by inhibiting neurotransmitters or receptor neurons, thus reducing activity at particular synapses.
    • Other drugs increase the activity of certain neurotransmitters or neurons, allowing particular neurons to fire more frequently.
  • Drugs have been developed to treat different categories of disorders.
    • Antipsychotic drugs reduce severe symptoms of disturbance, such as loss of touch with reality and agitation.
        Most operate by blocking the dopamine receptors at the brain's synapses.
    • Antidepressant drugs are a class of medications used in cases of severe depression to improve the moods of patients.
        They were discovered quite by accident.
        Most antidepressant drugs change the concentration of particular neurotransmitters.
    • The drug lithium, a form of mineral salts, has been used very successfully in cases of bipolar disorders.
    • Antianxiety drugs reduce the level of anxiety a person experiences and increase feelings of well-being.
        Antianxiety drugs are among the medications most frequently prescribed by physicians.







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