Glossary D

Dance therapy describes a therapy in which people are encouraged to express themselves confidently in a non-verbal way, responding naturally and spontaneously to rhythm through dance This

Dangerous drugs refer to a term used by the Drug Enforcement Administration (DEA) to refer to broad categories or classes of controlled substances other than cocaine , opiates, and cannabis products.Amphetamines, methamphetamines, PCP (phencyclidine ), LSD, methcathinoneare all considered dangerous drugs.

Dangerousness refers to the likelihood that a given individual will later harm society or others.

Dangerousness to others is defined as a legal criterion for involuntary commitment that is met when a person would pose a threat or danger to other people if not incarcerated

Dangerousness to self refers to a legal criterion for involuntary commitment that is met when a person is imminently suicidal or a danger to him/herself as judged by a mental-health professional

Dark adaptation ia defined as Increased retinal sensitivity to light. It is the visual adaptation that occurs in the dark, during which the sensitivity to light increases. This increase in sensitivity is associated with regeneration of the rod and cone visual pigments.

Dark adaptation curve refers to the function that traces the time course of the increase in visual sensitivity that occurs during dark adaptation .

Dark adapted sensitivity is defined as the sensitivity of the eye after it has completely adapted to the dark.

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