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Ψ , the first letter of the Greek word psyche from which the term psychology is derived, is commonly associated with the field of psychology. In 1890, William James defined psychology as "the science of mental life, both of its phenomena and their conditions." [14] This definition enjoyed widespread currency for decades.
The Dewey Decimal Classification (DDC) is structured around ten main classes covering the entire world of knowledge; each main class is further structured into ten hierarchical divisions, each having ten divisions of increasing specificity. [1]
This glossary covers terms found in the psychiatric literature; the word origins are primarily Greek, but there are also Latin, French, German, and English terms. Many of these terms refer to expressions dating from the early days of psychiatry in Europe; some are deprecated, and thus are of historic interest.
The book was "highly commended" and runner-up in the 2005 Times Higher Education Supplement Young Academic Author Award, and also made it to the shortlist for the 2005 MIND "Book of the Year Award". [ 9 ] [ 10 ] The book also made it to the longlist of the 2005 Aventis "Science Book Prize", where it was described as containing "elegant and ...
Cognitive psychology is a branch of psychology that investigates internal mental processes such as problem solving, memory, and language; all of which are used in thinking. The school of thought arising from this approach is known as cognitivism , which is interested in how people mentally represent information processing.
Human behavior is studied by the social sciences, which include psychology, sociology, ethology, and their various branches and schools of thought. [1] There are many different facets of human behavior, and no one definition or field study encompasses it in its entirety. [2]
An alternate, widely used classification publication is the International Classification of Diseases (ICD), produced by the World Health Organization (WHO). [13] The ICD has a broader scope than the DSM, covering overall health as well as mental health; chapter 6 of the ICD specifically covers mental, behavioral and neurodevelopmental disorders.
Features entailed by the definition of a concept must be both necessary and sufficient for membership in the class of things covered by a particular concept. [11] A feature is considered necessary if every member of the denoted class has that feature. A feature is considered sufficient if something has all the parts required by the definition. [11]