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  2. Post-traumatic stress disorder - Wikipedia

    en.wikipedia.org/wiki/Post-traumatic_stress_disorder

    Post-traumatic stress disorder (PTSD) [b] is a mental and behavioral disorder [8] that develops from experiencing a traumatic event, such as sexual assault, domestic violence, child abuse, warfare and its associated traumas, natural disaster, traffic collision, or other threats on a person's life or well-being.

  3. Down syndrome - Wikipedia

    en.wikipedia.org/wiki/Down_syndrome

    Down syndrome or Down's syndrome, [12] also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. [3] It is usually associated with developmental delays, mild to moderate intellectual disability , and characteristic physical features.

  4. Catatonia - Wikipedia

    en.wikipedia.org/wiki/Catatonia

    The DSM-5 defines catatonia as “a syndrome characterized by lack of movement and communication, along with three or more of the following 12 behaviors; stupor, catalepsy, waxy flexibility, mutism, negativism, posturing, mannerism, stereotypy, agitation, grimacing, echolalia, or echopraxia.” [9] As a syndrome, catatonia can only occur in ...

  5. Combat stress reaction - Wikipedia

    en.wikipedia.org/wiki/Combat_stress_reaction

    Combat stress reaction is generally short-term and should not be confused with acute stress disorder, post-traumatic stress disorder, or other long-term disorders attributable to combat stress, although any of these may commence as a combat stress reaction. The US Army uses the term/initialism COSR (combat stress reaction) in official medical ...

  6. Post-traumatic embitterment disorder - Wikipedia

    en.wikipedia.org/wiki/Post-traumatic...

    Post-traumatic embitterment disorder (PTED) is defined as a pathological reaction to a negative life event, which those affected experienced as a grave insult, humiliation, betrayal, or injustice. Prevalent emotions of PTED are embitterment, anger , fury, and hatred , especially against the triggering stressor , often accompanied by fantasies ...

  7. List of mental disorders - Wikipedia

    en.wikipedia.org/wiki/List_of_mental_disorders

    This is an accepted version of this page This is the latest accepted revision, reviewed on 17 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 ...

  8. Veterans benefits for post-traumatic stress disorder in the ...

    en.wikipedia.org/wiki/Veterans_benefits_for_post...

    Post-traumatic stress disorder (PTSD) may develop following exposure to an extremely threatening or horrific event.It is characterized by several of the following signs or symptoms: unwanted re-experiencing of the traumatic event—such as vivid, intense, and emotion-laden intrusive memories—dissociative flashback episodes, or nightmares; active avoidance of thoughts, memories, or reminders ...

  9. Perpetrator trauma - Wikipedia

    en.wikipedia.org/wiki/Perpetrator_trauma

    Perpetrator trauma, also known as perpetration-or participation-induced traumatic stress , both abbreviated to PITS, occurs when the symptoms of posttraumatic stress disorder (PTSD) are caused by an act or acts of killing or similar horrific violence.