Individual differences in language lateralisation, schizotypy and the remote-associate task

Akiko Suzuki, Marius Usher*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We tested the hypothesis that the level of reduced laterality in language is correlated with the degrees of schizotypal personality in healthy individuals and with their performance in the remote-associate task (RAT). A total of 53 healthy participants completed a schizotypal personality measure of the Oxford-Liverpool Inventory of Feelings and Experiences (O-LIFE; a questionnaire measuring the level of psychotic proneness), a consonant-vowel-consonant (CVC; requiring the identification of letter trigrams presented tachistoscopically in the left/right visual fields or both), measuring reduced language laterality and a remote-associate task (RAT; requiring to report a word, weakly associated with three cue words). Analysis revealed correlations between CVC and O-LIFE, as well as between CVC and RAT performance. The results suggest that reduced language lateralisation (reduced hemispheric integration) may play a role in schizophrenic language disorganization, as reflected in highly schizotypal individuals, and that hemispheric integration plays a role in the remote-associate task.

Original languageEnglish
Pages (from-to)622-626
Number of pages5
JournalPersonality and Individual Differences
Issue number5-6
StatePublished - Apr 2009


  • Hemispheric integration
  • Language lateralisation
  • Phonological processing
  • Reduced-laterality
  • Remote-associate task
  • Schizophrenia
  • Schizotypy


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