AP PSYCHOLOGY

Detailed explanation-1: -Their ‘harm matrix’ included three categories of harm: ‘physical’, ‘dependence-related’ and ‘social’, each with three sub-levels, allowing currently used and new psychoactive substances to be more objectively compared on the basis of experts’ ratings.

Detailed explanation-2: -Stimulants are another classification of drugs that are known to excite neural activity and speed up body functions. Drugs that fall into this category include nicotine, amphetamines, methamphetamine, cocaine, ecstasy, and MDMA. Nicotine is found in the highly addictive drug, tobacco.

Detailed explanation-3: -In psychology, disinhibition is a lack of restraint manifested in disregard of social conventions, impulsivity, and poor risk assessment.

Detailed explanation-4: -Depressants are drugs that reduce neural activity and slow down bodily functions. Cocaine is a stimulant, which increases neural activity and speeds up bodily functions.