J Neuropsychiatry Clin Neurosci 15:168-174, May 2003
© 2003 American Psychiatric Press, Inc.
Magical Ideation Modulates Spatial Behavior
Christine Mohr, Ph.D.,
H. Stefan Bracha, M.D. and
Peter Brugger, Ph.D.
Received December 5, 2001; revised March 26, 2002; accepted May 7, 2002. From the Department of Neurology, University Hospital Zurich, Zurich, Switzerland (C.M., P.B.); and the National Center for PTSD, Department of Veterans Affairs, Honolulu, Hawaii (H.S.B.). Address correspondence to Dr. Mohr, Functional Brain Mapping Laboratory, Neurology Clinic, University Hospital Geneva, 24, rue Micheli-du-Crest, 1211 Geneva, Switzerland. E-mail: christine.mohr{at}hcuge.ch
Previous research has found that animals as well as persons with psychotic disorders preferentially orient away from the cerebral hemisphere with the more active dopamine system. This study investigated the modulation of spatial behavior by a mode of thinking reminiscent of the positive symptoms of psychosis. In a non-treatment-seeking sample of healthy volunteers (20 women and 16 men), the authors assessed the lateral biases in turning and veering behavior and in line bisection as a function of their magical ideation, that is, a mild form of schizotypy. Across tasks, pronounced magical ideation was associated with reduced right-sided orientation preferences. This finding suggests a relative hyperdopaminergia of the right hemisphere as the biological basis of magical ideation.
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[Abstract]
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