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Long-term stability of communication deviance.

K E Wahlberg1, L C Wynne, P Keskitalo

  • 1Department of Psychiatry, University of Oulu, Finland. wahlberg@cc.oulu.fi

Journal of Abnormal Psychology
|August 15, 2001
PubMed
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Communication deviance (CD) is a stable trait in adulthood, not adolescence. This study tracked CD in Finnish adoptees over 11 years, finding adult CD to be consistent over time.

Area of Science:

  • Psychiatry
  • Genetics
  • Developmental Psychology

Background:

  • Communication deviance (CD) is hypothesized to contribute to offspring psychopathology, including schizophrenia.
  • The stability of CD over time is crucial for understanding its role in psychopathology, supporting either environmental or genetic transmission hypotheses.

Purpose of the Study:

  • To investigate the long-term stability of communication deviance (CD) in adult offspring.
  • To determine if CD is a stable trait from adolescence to adulthood or if it is specific to certain developmental periods.

Main Methods:

  • Evaluated CD using Rorschach tests in 158 Finnish adoptees at two time points, with a median interval of 11 years.
  • Assessed the correlation between adolescent CD and follow-up CD, and between initial adult CD and follow-up CD.

Related Experiment Videos

  • Examined the influence of gender, genetic risk for schizophrenia, and psychiatric diagnoses on CD stability.

    • Main Results:

    • Adolescent CD did not show a stable correlation with CD measured 11 years later.
    • Initial CD in adulthood (mean age 32) was significantly correlated with CD at follow-up.
    • Gender, genetic risk for schizophrenia, and psychiatric diagnoses did not impact the stability of adult CD.

    Conclusions:

    • Communication deviance (CD) appears to be a stable, trait-like characteristic of adult functioning.
    • CD stability is evident in adulthood but not during adolescence, suggesting a developmental shift in its persistence.