<Li> Stimulants, used to treat disorders such as attention deficit hyperactivity disorder and narcolepsy, and for weight reduction . </Li> <Li> Antipsychotics, used to treat psychotic symptoms, such as those associated with schizophrenia or severe mania, or as adjuncts to relieve clinical depression . </Li> <Li> Mood stabilizers, used to treat bipolar disorder and schizoaffective disorder . </Li> <Li> Anxiolytics, used to treat anxiety disorders . </Li>

A psychoactive substance effects the central nervous system