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  2. Perseveration - Wikipedia

    en.wikipedia.org/wiki/Perseveration

    The primary definition of perseveration in biology and clinical psychiatry involves some form of response repetition or the inability to undertake set shifting (changing of goals, tasks or activities) as required, and is usually evidenced by behaviours such as words and gestures continuing to be repeated despite absence or cessation of a stimulus.

  3. Paranoid personality disorder - Wikipedia

    en.wikipedia.org/wiki/Paranoid_personality_disorder

    Paranoid personality disorder (PPD) is a mental disorder characterized by paranoia, and a pervasive, long-standing suspiciousness and generalized mistrust of others. People with this personality disorder may be hypersensitive, easily insulted, and habitually relate to the world by vigilant scanning of the environment for clues or suggestions that may validate their fears or biases.

  4. Paranoia - Wikipedia

    en.wikipedia.org/wiki/Paranoia

    A paranoid person may view someone else's accidental behavior as though it is intentional or signifies a threat. An investigation of a non-clinical paranoid population found that characteristics such as feeling powerless and depressed, isolating oneself, and relinquishing activities, were associated with more frequent paranoia. [ 5 ]

  5. Abnormal psychology - Wikipedia

    en.wikipedia.org/wiki/Abnormal_psychology

    Abnormal psychology is the branch of psychology that studies unusual patterns of behavior, emotion, and thought, which could possibly be understood as a mental disorder. Although many behaviors could be considered as abnormal , this branch of psychology typically deals with behavior in a clinical context.

  6. Intrusive thought - Wikipedia

    en.wikipedia.org/wiki/Intrusive_thought

    An intrusive thought is an unwelcome, involuntary thought, image, or unpleasant idea that may become an obsession, is upsetting or distressing, and can feel difficult to manage or eliminate.

  7. Mental status examination - Wikipedia

    en.wikipedia.org/wiki/Mental_status_examination

    The mental status examination (MSE) is an important part of the clinical assessment process in neurological and psychiatric practice. It is a structured way of observing and describing a patient's psychological functioning at a given point in time, under the domains of appearance, attitude, behavior, mood and affect, speech, thought process, thought content, perception, cognition, insight, and ...

  8. Schizotypal personality disorder - Wikipedia

    en.wikipedia.org/wiki/Schizotypal_personality...

    Schizotypal personality disorder (StPD or SPD), also known as schizotypal disorder, is a cluster A personality disorder. [4] [5] The Diagnostic and Statistical Manual of Mental Disorders (DSM) describes the disorder specifically as a personality disorder characterized by thought disorder, paranoia, a characteristic form of social anxiety, derealization, transient psychosis, and unconventional ...

  9. Callous and unemotional traits - Wikipedia

    en.wikipedia.org/wiki/Callous_and_unemotional_traits

    Callous-unemotional traits (CU) are distinguished by a persistent pattern of behavior that reflects a disregard for others, and also a lack of empathy and generally deficient affect. The interplay between genetic and environmental risk factors may play a role in the expression of these traits as a conduct disorder (CD). While originally ...