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abnormal psychology

abnormal psychology Abnormal psychology is the branch of psychology concerned with mental processes and experiences that differ from what is considered usual or normal.

Abnormal psychology is the branch of psychology concerned with mental processes and experiences that differ from what is considered usual or normal. In a broad sense, it covers unusual mental phenomena as well as disturbances, impairments, and forms of mental disorder.

Also see

Sources

Drafting source: Baldwin Dictionary of Philosophy and Psychology, 1901. 1901 New York Macmillan original; archive index checked 2026-10-18. “Abnormal Psychology” (Abnormal Psychology).
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These citations identify the drafting sources. This is a candidate definition. It has not yet been read by the two reviewers. Source institutions do not endorse this dictionary.

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “abnormal psychology.” Development preview.

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