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hysteresis

hysteresis In this account of shared psychosis, hysteresis means that the path out of a shared delusional state does not simply reverse the path into it.

In this account of shared psychosis, hysteresis means that the path out of a shared delusional state does not simply reverse the path into it. Because of this history-dependent effect, recovery after separation can be fast or slow depending on how deeply the secondary person’s beliefs have been reshaped.

Sources

Drafting source: Beasley Dustin. Folie à deux as a cusp catastrophe in coupled active inference: a dynamical systems account of shared psychotic disorder. 2026; DOI 10.3389/fpsyt.2026.1886942; article XML SHA-256 a09e12edaa85f710553e94483ce979f5e30016da869b5a3779f43544cfa2fb4a. “Folie à deux as a cusp catastrophe in coupled active inference: a dynamical systems account of shared psychotic disorder” (10.3389/fpsyt.2026.1886942).
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PsychTerms (psychterms.org), CC BY 4.0, version 2. “hysteresis.” Development preview.

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hysteresis

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Sources

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