Theory of mind and schizotypy: A meta-analysis

BORA İ. E.

SCHIZOPHRENIA RESEARCH, cilt.222, ss.97-103, 2020 (SCI-Expanded) identifier identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 222
  • Basım Tarihi: 2020
  • Doi Numarası: 10.1016/j.schres.2020.04.024
  • Dergi Adı: SCHIZOPHRENIA RESEARCH
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Social Sciences Citation Index (SSCI), Scopus, Academic Search Premier, PASCAL, BIOSIS, CINAHL, Educational research abstracts (ERA), EMBASE, MEDLINE, Psycinfo, Public Affairs Index
  • Sayfa Sayıları: ss.97-103
  • Anahtar Kelimeler: Schizotypy, Theory of mind, Psychosis, Social cognition, PSYCHOTIC-LIKE EXPERIENCES, SOCIAL COGNITION, MAGICAL IDEATION, SCHIZOPHRENIA, ADOLESCENTS, IMPAIRMENT, SPECTRUM, DEFICITS, DOMAINS, SCALES
  • Dokuz Eylül Üniversitesi Adresli: Evet

Özet

Schizotypy is a multi-dimensional personality construct that putatively indicates an individual's liability to psychosis. Schizophrenia is associated with significant deficits in theory of mind (ToM). However, previous studies investigating the relationship between schizotypy and ToM provided inconsistent findings. Following the systematic review of all relevant schizotypy studies between January 1, 1980 and June 30, 2019, a meta-analysis of the relationship between ToM and schizotypy was conducted. Current meta-analysis included 24 studies consisting of 4162 healthy individuals. Overall, there was a significant but a small negative relationship between ToM and schizotypy (d = -0.23, CI = -0.14-0.33). Schizotypy scores were negatively associated with both reasoning (d = -0.24, CI = -0.11-0.38) and decoding (d = -0.21, CI = -0.09-0.32) aspects of ToM. The relationship between ToM and schizotypy was more significant in the studies using extreme-group design (d = -0.31, CI = -0.17-0.45) than non-extreme-group design (d = -0.17, CI = -0.04-0.29). ToM abnormalities were significantly related to both positive and negative schizotypy. Current findings support the continuum between schizotpy and schizophrenia. ToM abnormalities might be vulnerability markers for psychosis. (c) 2020 Elsevier B.V. All rights reserved.