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Disembodied Language in Early-Onset Schizophrenia.

Przemysław Zakowicz^1,2, Maria Skibińska¹, Joanna Pawlak¹

¹Department of Psychiatric Genetics, Poznan University of Medical Sciences, Poznan, Poland.

Frontiers in Psychiatry

|July 22, 2022

Summary

Adolescents with early-onset schizophrenia spectrum disorders exhibit disembodied language, making more errors on the Zabór Verbal Task (ZVT). This language impairment is linked to auditory hallucinations and persists after treatment.

Keywords:

disembodiment language phenomenology psychosis schizophrenia

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Area of Science:

Neuroscience
Psychiatry
Linguistics

Background:

Schizophrenia phenomenology highlights mind-body disconnect.
Aberrant self-awareness (ipseity) may cause patient suffering and impact symptoms.
Disrupted thought-environment connections can lead to language disembodiment.

Purpose of the Study:

To experimentally test for disembodied language in adolescents with early-onset schizophrenia spectrum disorders.
To investigate the association between disembodied language and psychosis symptoms.
To assess the impact of standard treatment on language embodiment.

Main Methods:

Utilized the Zabór Verbal Task (ZVT) to assess language embodiment.
Conducted concurrent linguistic and clinical assessments using the Thought, Language, and Communication Scale (TLCS) and Positive and Negative Symptoms Scale (PANSS).
Compared a patient group (n=31, aged 11-18) with a healthy control group (n=31).

Main Results:

Patients with psychosis made significantly more errors on the ZVT compared to healthy controls (p=0.01).
ZVT performance did not improve after 6-8 weeks of standard treatment (p=0.55).
Increased ZVT errors correlated with auditory hallucinations (OR 1.14) and perception disorders, while TLCS scores associated with abnormal beliefs.

Conclusions:

Preliminary findings suggest language disembodiment is a relevant factor in schizophrenia spectrum symptomatology.
The phenomenological approach, including assessment of language embodiment, may aid in diagnosing schizophrenia spectrum disorders.
Language disembodiment appears to be a persistent symptom, unaffected by standard treatment in this cohort.