The Grandiose symptom is often mistaken for your description of a ne’er do well.
Grandiosity refers to a sense of specialness and self-importance that might lead you to:
- boast about real or exaggerated accomplishments
- consider yourself more talented or intelligent than others
- dismiss or try to one-up the achievements of others
- believe you don’t need anyone else to succeed
- believe you’re above rules or ordinary limits
- fail to recognize that your actions could harm others
- lash out in anger when someone criticizes you or points out a flaw in your plans
Grandiosity often resembles self-centered or arrogant behavior, so people often don’t recognize it as a mental health symptom.
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Grandiosity isn’t considered a mental health condition on its own, but it might show up as a symptom of one.
Grandiosity: Everything You Need to Know | Psych Central
Grandiose delusions are arguably the most neglected psychotic experience in research.
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Despite being a common type of delusion (Appelbaum, Robbins, & Roth,
1999; Goodwin & Jamison,
2007) – occurring in about half of patients diagnosed with schizophrenia and two thirds of patients with bipolar disorder(Knowles, McCarthy‐Jones, & Rowse,
2011) – they have been remarkably neglected as a specific focus of research and clinical practice.
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This apparent disparity may have arisen for several reasons. There may be a perception that grandiose delusions represent a more benign presentation in non‐affective psychosis and that they will not be distressing or harmful given the focus of the belief. Alternatively, they may be viewed simply as a symptom of mania in affective psychosis, and therefore, it is presumed that research and clinical focus should be on the manic episode rather than the belief
per se. These assumptions, however, may be erroneous.
Understanding, treating, and renaming grandiose delusions: A qualitative study - PMC
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