PSYCHOLOGY OF EMOTIONS

Detailed explanation-1: -The symptoms associated with a substance use disorder fall into four major groupings: impaired control, social impairment, risky use, and pharmacological criteria (i.e., tolerance and withdrawal).

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: -The first of the synthetic stimulants, amphetamine (isolated in 1887), was first popularized in the 1930’s with an OTC nasal decongestant (Bezedrine inhaler) containing the amphetamine phenylisopropylamine and the following the discoveries of clinical applications for fatigue, narcolepsy and depression 5.

Detailed explanation-4: -depressants – slow down the function of the central nervous system. hallucinogens – affect your senses and change the way you see, hear, taste, smell or feel things. stimulants – speed up the function of the central nervous system. 21-Jun-2021