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Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
Published on: November 21, 2013
[Mental retardation as a risk factor to develop a psychotic disease]
M Negueruela López1, A Ceverino Domíngeuz, J Quintero
1Fundación Jiménez Díaz, Madrid, Spain.
Actas Espanolas De Psiquiatria
|March 10, 2009
Summary
Early mental retardation and behavioral disorders are linked to later schizophrenia diagnoses. This finding supports neurodevelopmental theories of schizophrenia, aiding in early detection strategies.
Area of Science:
- Neuroscience
- Psychiatry
- Developmental Psychology
Context:
- Schizophrenia research aims to identify early disease indicators.
- Previous diagnoses in individuals later diagnosed with schizophrenia are examined.
Purpose:
- To investigate the association between pre-schizophrenia diagnoses and the eventual schizophrenia diagnosis.
- To determine if conditions like mental retardation predict adult-onset psychosis.
Summary:
- A case-control study analyzed data from 1999-2005.
- Found a 3.6% prevalence of mental retardation and 2.1% behavioral/emotional disorders prior to schizophrenia diagnosis.
- Individuals with prior mental retardation had significantly higher odds of developing adult-onset psychosis, schizophrenia, paranoid schizophrenia, residual schizophrenia, and persistent delusional disorder.
Impact:
- Highlights mental retardation as a significant risk factor for schizophrenia spectrum disorders.
- Provides evidence supporting the neurodevelopmental hypothesis of schizophrenia.
- Suggests potential for early intervention by identifying individuals with these prior conditions.
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