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Related Experiment Videos

[Induced "acarophobia"].

H Mester

    Psychiatria Clinica
    |January 1, 1975
    PubMed
    Summary

    Acarophobia, a delusional syndrome, frequently causes associated psychoses through psychological contagion. This tendency to spread among individuals is more common than previously recognized, impacting families and close contacts.

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    Area of Science:

    • Psychiatry
    • Psychology
    • Dermatology

    Context:

    • Acarophobia, a rare delusional syndrome, is characterized by the false belief of being infested with parasites.
    • Existing literature on acarophobia is limited, with only approximately 240 documented cases.
    • The syndrome's tendency to induce similar delusions in associated individuals (psychological contagion) is a significant, yet often overlooked, aspect.

    Purpose:

    • To highlight the high frequency of associated psychoses stemming from acarophobia.
    • To emphasize the phenomenon of psychological contagion in delusional parasitosis.
    • To analyze the characteristics of groups affected by shared delusions of infestation.

    Summary:

    • Acarophobia frequently leads to associated psychoses, with at least 16% of patients transmitting their delusions to others.
    • This psychological contagion, where individuals develop identical symptoms, is more prevalent than often assumed.
    • Affected groups often follow a Neyman distribution, and the proportion of consanguineous individuals is lower than in other forms of communicated insanity.

    Impact:

    • Underscores the importance of recognizing psychological contagion in diagnosing and managing delusional parasitosis.
    • Suggests that the impact of acarophobia extends beyond the individual, affecting social networks.
    • Contributes to a better understanding of the epidemiology and transmission patterns of shared delusional disorders.

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