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Laterality effects in perceived spatial location of hallucination-like voices

Lookup NU author(s): Dr Will Woods, Professor Tim GriffithsORCiD

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Abstract

Aydin and colleagues reported a reversal of physiological 'right-ear advantage' in a group of right-handed patients with schizophrenia, using an auditory acuity test. In schizophrenia, auditory hallucinations may appear to be spatially located inside or outside the patient's head. Here we show, using virtual acoustic space techniques, that normal right-handed subjects have a right-ear advantage for correctly locating the 'source' of hallucination-like voices as from either inside or outside the head. We propose a model for understanding lateralised, external hallucinations in schizophrenia based upon reversal of normal cortical asymmetry for auditory spatial processing.

Publication metadata

Author(s): Hunter MD, Smith JK, Taylor N, Woods W, Griffiths TD, Spence SA, Woodruff PWR

Publication type: Article

Publication status: Published

Journal: Perceptual and Motor Skills

Year: 2003

Volume: 97

Issue: 1

Pages: 246-250

ISSN (print): 0031-5125

ISSN (electronic): 1558-688X

Publisher: Ammons Scientific Ltd

PubMed id: 14604046

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