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Typologies of positive psychotic symptoms in methamphetamine dependence.


ABSTRACT: Understanding methamphetamine associated psychotic (MAP) symptom typologies could aid in identifying individuals at risk of progressing to schizophrenia and guide early intervention.Latent class analysis (LCA) of psychotic symptoms collected from 40 (n?=?40) methamphetamine dependent individuals with a history of psychotic symptoms but no history of a primary psychotic disorder.Three typologies were identified. In one, persecutory delusions dominated (Type 1), in another persecutory delusions were accompanied by hallucinations (Type 2), and in the third a high frequency of all the assessed hallucinatory and delusional symptoms was observed (Type 3).MAP is a heterogeneous syndrome with positive symptom typologies.This study represents the first attempt at identifying typologies of MAP and highlights the potential utility of LCA in future large-scale studies.

SUBMITTER: Bousman CA 

PROVIDER: S-EPMC4369467 | biostudies-literature | 2015 Mar

REPOSITORIES: biostudies-literature

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Typologies of positive psychotic symptoms in methamphetamine dependence.

Bousman Chad A CA   McKetin Rebecca R   Burns Richard R   Woods Steven Paul SP   Morgan Erin E EE   Atkinson J Hampton JH   Everall Ian P IP   Grant Igor I  

The American journal on addictions 20150301 2


<h4>Background and objectives</h4>Understanding methamphetamine associated psychotic (MAP) symptom typologies could aid in identifying individuals at risk of progressing to schizophrenia and guide early intervention.<h4>Methods</h4>Latent class analysis (LCA) of psychotic symptoms collected from 40 (n = 40) methamphetamine dependent individuals with a history of psychotic symptoms but no history of a primary psychotic disorder.<h4>Results</h4>Three typologies were identified. In one, persecutory  ...[more]

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