AP PSYCHOLOGY

Detailed explanation-1: -The major stimulant drugs are amphetamines and related compounds, methylxanthines (methylated purines), cocaine, and nicotine. Amphetamines achieve their effect by increasing the amount and activity of the neurotransmitter norepinephrine (noradrenaline) within the brain.

Detailed explanation-2: -The stimulants may be divided into three categories based on chemical structure: amphetamine (dextro-amphetamine and levo-amphetamine), methamphetamine and methylphenidate (dextro-methylphenidate and levo-methylphenidate).

Detailed explanation-3: -There are two general categories of stimulant medications prescribed, the methylphenidate or amphetamine stimulants. There is no evidence of difference of efficacy between these two types of stimulant, although individuals may respond differently to the two types.

Detailed explanation-4: -Stimulants are psychoactive drugs, including caffeine, nicotine, amphetamines, and cocaine that increase the central nervous system activity.