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  2. Pseudobulbar affect - Wikipedia

    en.wikipedia.org/wiki/Pseudobulbar_affect

    For example, a sad stimulus provokes a pathologically exaggerated weeping response instead of a sigh, which the patient normally would have exhibited in that particular instance. [ 2 ] However, in some other patients, the character of the emotional display can be incongruent with, and even contradictory to, the emotional valence of the ...

  3. Psychotic depression - Wikipedia

    en.wikipedia.org/wiki/Psychotic_depression

    People with psychotic depression experience the symptoms of a major depressive episode, along with one or more psychotic symptoms, including delusions and/or hallucinations. [2] Delusions can be classified as mood congruent or incongruent, depending on whether or not the nature of the delusions is in keeping with the individual's mood state. [2]

  4. Mood congruence - Wikipedia

    en.wikipedia.org/wiki/Mood_congruence

    In psychology, mood congruence is the consistency between a person's emotional state with the broader situations and circumstances being experienced by the person at that time. By contrast, mood incongruence occurs when the individual's reactions or emotional state appear to be in conflict with the situation.

  5. Thought disorder - Wikipedia

    en.wikipedia.org/wiki/Thought_disorder

    A thought disorder (TD) is a disturbance in cognition which affects language, thought and communication. [1] [2] Psychiatric and psychological glossaries in 2015 and 2017 identified thought disorders as encompassing poverty of ideas, paralogia (a reasoning disorder characterized by expression of illogical or delusional thoughts), word salad, and delusions—all disturbances of thought content ...

  6. Delusional disorder - Wikipedia

    en.wikipedia.org/wiki/Delusional_disorder

    Other psychiatric disorders must then be ruled out. In delusional disorder, mood symptoms tend to be brief or absent, and unlike schizophrenia, delusions are non-bizarre and hallucinations are minimal or absent. [8] Interviews are important tools to obtain information about the patient's life situation and history to help make a diagnosis.

  7. Schizoaffective disorder - Wikipedia

    en.wikipedia.org/wiki/Schizoaffective_disorder

    Delusional beliefs may or may not reflect mood symptoms (for example, someone experiencing depression may or may not experience delusions of guilt). Hallucinations are disturbances in perception involving any of the five senses, although auditory hallucinations (or "hearing voices") are the most common.

  8. Schizophrenia - Wikipedia

    en.wikipedia.org/wiki/Schizophrenia

    Schizophrenia is a mental disorder characterized by significant alterations in perception, thoughts, mood, and behavior. [34] Symptoms are described in terms of positive, negative, and cognitive symptoms. [3] [35] The positive symptoms of schizophrenia are the same for any psychosis and are sometimes referred to as psychotic symptoms. These may ...

  9. Delusional misidentification syndrome - Wikipedia

    en.wikipedia.org/wiki/Delusional...

    For example, a person may believe that they are in fact not in the hospital to which they were admitted, but an identical-looking hospital in a different part of the country. [ 8 ] Cotard's syndrome is a rare disorder in which people hold a delusional belief that they are dead (either figuratively or literally), do not exist, are putrefying ...