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  1. Delusion - Wikipedia

    Persecutory delusions Persecutory delusions are the most common type of delusions and involve the theme of being followed, harassed, cheated, poisoned or drugged, conspired against, spied on, …

  2. Delusions: Types, Examples, Causes, Signs - Verywell Health

    Oct 23, 2025 · Delusions are false beliefs that persist despite empirical evidence. Learn about the types and examples of each, what causes them, and how they’re treated.

  3. Delusional Disorder: Causes, Symptoms, Types & Treatment

    May 22, 2022 · A delusional disorder is a type of psychotic disorder. Its main symptom is the presence of one or more delusions, which are unshakable beliefs in something untrue.

  4. Delusional Disorder - Harvard Health

    Jan 27, 2025 · There are several types of delusions: persecutory, erotomatic, grandiose, jealous, or somatic (that is, delusions about the body). People with delusional disorder usually do not have …

  5. Delusion | Definition & Facts | Britannica

    delusion, in psychology, a rigid system of beliefs with which a person is preoccupied and to which the person firmly holds, despite the logical absurdity of the beliefs and a lack of supporting evidence.

  6. What are Delusions in Psychology?

    Apr 22, 2024 · Delusions are beliefs that persist despite evidence to the contrary. They are often associated with mental health conditions such as schizophrenia, bipolar disorder, or severe …

  7. What are delusions? Types, treatment, and more - Medical News Today

    Oct 27, 2023 · This article explores who may experience delusions, types of delusions, and other signs of psychosis. It also explores treatment for delusions and how to support those experiencing them.

  8. Delusions: Understanding Types, Characteristics, and Associated ...

    Jul 16, 2023 · Explore delusions, false beliefs that persist despite evidence. Learn about their types, characteristics, associated conditions, diagnosis, and treatment approaches to provide support and …

  9. Delusion · Open Encyclopedia of Cognitive Science

    Nov 20, 2024 · Delusions are beliefs of interest to researchers in cognitive science, psychiatry, psychology, and philosophy. They are formed on the basis of evidence that do not properly support …

  10. Types of Delusions & Common Delusional Themes - WebMD

    May 7, 2024 · Delusions are beliefs that aren't based on reality, culture, religion, or social identity. The people affected by them can’t be convinced by facts or reason that their delusional belief is...