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A disorder characterized by episodes of vigorous and often violent motor activity during REM sleep (SLEEP, REM). The affected individual may inflict …

Abnormal behavioral or physiologic events that are associated with REM sleep, including REM SLEEP BEHAVIOR DISORDER.

A gastrointestinal disorder characterized by repetitive and effortless regurgitation of ingested food from the stomach to the oral cavity in the earl…

A condition in which there is a derivation of pleasure from inflicting pain, discomfort or humiliation on another person or persons. The sexual signi…

A personality disorder manifested by a profound defect in the ability to form social relationships, no desire for social involvement, and an indiffer…

A severe emotional disorder of psychotic depth characteristically marked by a retreat from reality with delusion formation, HALLUCINATIONS, emotional…

Marked disorders of thought (delusions, hallucinations, or other thought disorder accompanied by disordered affect or behavior), and deterioration fr…

A type of schizophrenia characterized by abnormality of motor behavior which may involve particular forms of stupor, rigidity, excitement or inapprop…

An obsolete concept, historically used for childhood mental disorders thought to be a form of schizophrenia. It was in earlier versions of DSM but is…

A type of schizophrenia characterized by frequent incoherence; marked loosening of associations, or grossly disorganized behavior and flat or grossly…

A chronic form of schizophrenia characterized primarily by the presence of persecutory or grandiose delusions, often associated with hallucination.

A subset of schizophrenia with an inadequate response in target symptoms following treatment with two or more ANTIPSYCHOTICS.

A personality disorder in which there are oddities of thought (magical thinking, paranoid ideation, suspiciousness), perception (illusions, depersona…

A syndrome characterized by depressions that recur annually at the same time each year, usually during the winter months. Other symptoms include anxi…

Mental disorders related to sexual dysfunction, paraphilias, and gender identity disorders.

Disturbances in sexual desire and the psychophysiologic changes that characterize the sexual response cycle and cause marked distress and interperson…

Physical and psychological injuries resulting from SEXUAL VIOLENCE.

A condition in which closely related persons, usually in the same family, share the same delusions.

Sleep disorders characterized by impaired arousal from the deeper stages of sleep (generally stage III or IV sleep).

Disorders characterized by impairment of the ability to initiate or maintain sleep. This may occur as a primary disorder or in association with anoth…

Abnormal sleep-wake schedule or pattern associated with the CIRCADIAN RHYTHM which affect the length, timing, and/or rigidity of the sleep-wake cycle…

Parasomnias characterized by behavioral abnormalities that occur during the transition between wakefulness and sleep (or between sleep and wakefulnes…

Defined by a constellation of caregiver-reported symptoms that includes daydreaming, difficulty initiating and sustaining effort, lethargy, and physi…

Persistent difficulties in the social uses of verbal and nonverbal communications. (DSM-V)

Disorders having the presence of physical symptoms that suggest a general medical condition but that are not fully explained by another medical condi…

A parasomnia characterized by a partial arousal that occurs during stage IV of non-REM sleep. Affected individuals exhibit semipurposeful behaviors s…

Language disorder that delays the mastery of oral language skills or in children who have no hearing loss or other developmental delays.

Diagnosed when there are specific deficits in an individual’s ability to perceive or process information efficiently and accurately. This disorder f…

Persistent difficulty with speech sound production such that it interferes with verbal communication.

Motor behavior that is repetitive, often seemingly driven, and nonfunctional. This behavior markedly interferes with normal activities or results in …