The British Journal of Psychiatry (2009) 195: 218-226. doi: 10.1192/bjp.bp.108.052068
© 2009 The Royal College of Psychiatrists
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Neuroanatomical correlates of different vulnerability states for psychosis and their clinical outcomes

Nikolaos Koutsouleris, MD and Gisela J.E. Schmitt, MD

Department of Psychiatry and Psychotherapy, Ludwig-Maximilians-University, Munich, Germany

Christian Gaser, PhD

Department of Psychiatry, Friedrich-Schiller-University, Jena, Germany

Ronald Bottlender, MD and Johanna Scheuerecker, PhD

Department of Psychiatry and Psychotherapy, Ludwig-Maximilians-University, Munich, Germany

Philip McGuire, FRCPsych, MD, PhD

Department of Psychological Medicine, Institute of Psychiatry, King’s College London, UK

Bernhard Burgermeister, PhD

Department of Psychiatry and Psychotherapy

Christine Born, MD and Maximilian Reiser, MD

Department of Radiology

Hans-Jürgen Möller, MD and Eva M. Meisenzahl, MD

Department of Psychiatry and Psychotherapy, Ludwig-Maximilians-University, Munich, Germany.

Correspondence: Eva M. Meisenzahl, Clinic of Psychiatry and Psychotherapy, Luwdig-Maxmilians-University, Nussbaumstr. 7, 80336 Munich, Germany. Email: Eva.Meisenzahl{at}med.uni-muenchen.de

Declaration of interest

None.

Background

Structural brain abnormalities have been described in individuals with an at-risk mental state for psychosis. However, the neuroanatomical underpinnings of the early and late at-risk mental state relative to clinical outcome remain unclear.

Aims

To investigate grey matter volume abnormalities in participants in a putatively early or late at-risk mental state relative to their prospective clinical outcome.

Method

Voxel-based morphometry of magnetic resonance imaging data from 20 people with a putatively early at-risk mental state (ARMS–E group) and 26 people with a late at-risk mental state (ARMS–L group) as well as from 15 participants with at-risk mental states with subsequent disease transition (ARMS–T group) and 18 participants without subsequent disease transition (ARMS–NT group) were compared with 75 healthy volunteers.

Results

Compared with healthy controls, ARMS–L participants had grey matter volume losses in frontotemporolimbic structures. Participants in the ARMS–E group showed bilateral temporolimbic alterations and subtle prefrontal abnormalities. Participants in the ARMS–T group had prefrontal alterations relative to those in the ARMS–NT group and in the healthy controls that overlapped with the findings in the ARMS–L group.

Conclusions

Brain alterations associated with the early at-risk mental state may relate to an elevated susceptibility to psychosis, whereas alterations underlying the late at-risk mental state may indicate a subsequent transition to psychosis.


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