الفهرس 
Preface
IntroductionOnly 14 pages are availabe for public view
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Abstract
Drugs that act upon the central nervous system (CNS)influence the lives of everyone, everyday. These agents are invaluable therapeutically, because they can produce specific physiological and psychological effects. Without general anesthetics, modern surgery would be impossible Drugs that affect the CNS may selectively relieve pain or f~er, suppress disorders of movement, or prevent seizures They may induce sleep or arousal, reduce the desire to eat, or allay the t endcncy to vomit. They may be used to treat anxiety, mania, depression, or schizophrenia without altering consciousness. The brain may also be affected by drugs, that are used to treat diseases of peripheral organs The non-medical, self-use of CNS drugs is widely practiced Socially acceptable stimulants and antianxiety agents produce stability, relief and even pleasure for many. However, the excessive use of these and other drugs can also adversely affect lives when their use leads to physical dependence on the drug or to toxic side effects that may include lethal overdosage In this work the determination of some CNS drugs is presented. The drugs belong to d i fferent pharmacological subclasses: