Glossary D

Dyspnea refers to shortness of breath or labored breathing which may be due to various types of lung or heart diseases.

Dyspraxia refers to a developmental disorder of planning and organisation of physical movement. The essential feature is the impairment of motor function that significantly interferes with activities of daily living or academic achievement, and is not due to a general medical condition , such as muscular dystrophy or cerebral palsy. Performance in daily activities that require motor coordination is substantially below that expected, given the person's general intelligence and chronological age. This may be manifested in marked delays in achieving the main motor milestones of sitting, crawling and walking, or such problems as poor handwriting, knocking over or dropping things, difficulty in self -help skills or poor performance in sport. Poor concentration and attention control, and physical restlessness or over-activity may be an additional problem. It is not uncommon for such children to be described by teachers as poorly motivated or lazy.

Dyssomnia refers to the problem in getting to sleep or in obtaining sleep of sufficient quality. It is a primary sleep disorder that involve abnormalities in the amount, quality, or

dyssomnias is a category of sleep disorders that involves difficulties initiating or maintaining sleep. Such disorders are often characterized by problems with getting enough sleep, not sleeping when one wants to, and not feeling refreshed after sleeping.

Dysthymia refers to a form of depressive disorder characterized by at least one year to 2 years in adults of Depressed mood for more days than not, accompanied by additional depres

Dysthymic disorder refers to moderate Depression that persists for two (2) years or more.

Moreover, it is a Mood disorder involving chronic Depression of less intensity than major

- Dysthymic disorder (DD) or Dysthymia : dysthymic disorder (DD) or dysthymia refers to a form of depressive disorder characterized by at least 1 year (2 years in adults) of depressed mood for more days than not that is accompanied by additional depressive symptoms that do not meet criteria for a major depressive episode . In comparison to Major depressive disorder, Dysthymia is milder, but more long-term.

René Descartes  (1596–1650) is a French scientist/philosopher who proposed a strict split or schism between mental processes and physical abilities.

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