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When confronted with unexplainable, irrational behavior and by suffering and upheaval, people have perceived evil. In fact, in the Persian Empire from 550 to 330 B.C.E., all physical and mental disorders were considered the work of the devil. [2] Physical causes of mental disorders have been sought in history.
World War II saw the development in the U.S. of a new psychiatric manual for categorizing mental disorders, which along with existing systems for collecting census and hospital statistics led to the first Diagnostic and Statistical Manual of Mental Disorders. The International Classification of Diseases (ICD) also developed a section on mental ...
Social (pragmatic) communication disorder – this diagnosis described difficulties in the social uses of verbal and nonverbal communication in naturalistic contexts, which affects the development of social relationships and dialogue comprehension. The difference between this diagnosis and autism spectrum disorder is that in the latter there is ...
A number of these hospitals contained wards for patients with mental illness. [4] 11th century. Persian physician Avicenna recognized "physiological psychology" in the treatment of illnesses involving emotions, and developed a system for associating changes in the pulse rate with inner feelings. 1247
This is an accepted version of this page This is the latest accepted revision, reviewed on 3 February 2025. The following is a list of mental disorders as defined at any point by the Diagnostic and Statistical Manual of Mental Disorders (DSM) or the International Classification of Diseases (ICD). A mental disorder, also known as a mental illness, mental health condition, or psychiatric ...
Mental, neurological, and substance use disorders make a substantial contribution to the global burden of disease (GBD). [12] This is a global measure of so-called disability-adjusted life years (DALY's) assigned to a certain disease/disorder, which is a sum of the years lived with disability and years of life lost due to this disease within the total population.
The scientific study of the causes of developmental disorders involves many theories. Some of the major differences between these theories involves whether environment disrupts normal development, if abnormalities are pre-determined, or if they are products of human evolutionary history which become disorders in modern environments (see evolutionary psychiatry). [5]
Developmental disability that affects all areas of a child's development is sometimes referred to as global developmental delay. [2] The most common developmental disabilities are: Motor disorders, and learning difficulties such as dyslexia, Tourette's syndrome, dyspraxia, dysgraphia, dyscalculia, and nonverbal learning disorder.