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Paracingulate sulcus morphology is associated with hallucinations in the human brain

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  • Jane R. Garrison

    (University of Cambridge
    Behavioural and Clinical Neuroscience Institute, University of Cambridge)

  • Charles Fernyhough

    (Durham University)

  • Simon McCarthy-Jones

    (Macquarie University
    Trinity College)

  • Mark Haggard

    (University of Cambridge)

  • Jon S. Simons

    (University of Cambridge
    Behavioural and Clinical Neuroscience Institute, University of Cambridge)

Abstract

Hallucinations are common in psychiatric disorders, and are also experienced by many individuals who are not mentally ill. Here, in 153 participants, we investigate brain structural markers that predict the occurrence of hallucinations by comparing patients with schizophrenia who have experienced hallucinations against patients who have not, matched on a number of demographic and clinical variables. Using both newly validated visual classification techniques and automated, data-driven methods, hallucinations were associated with specific brain morphology differences in the paracingulate sulcus, a fold in the medial prefrontal cortex, with a 1 cm reduction in sulcal length increasing the likelihood of hallucinations by 19.9%, regardless of the sensory modality in which they were experienced. The findings suggest a specific morphological basis for a pervasive feature of typical and atypical human experience.

Suggested Citation

  • Jane R. Garrison & Charles Fernyhough & Simon McCarthy-Jones & Mark Haggard & Jon S. Simons, 2015. "Paracingulate sulcus morphology is associated with hallucinations in the human brain," Nature Communications, Nature, vol. 6(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9956
    DOI: 10.1038/ncomms9956
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