Structural correlates of auditory hallucinations in schizophrenia: A meta-analysis

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• 作者：Lena Palaniyappan^a ; ^{Lena.Palaniyappan@nottingham.ac.uk} ; Vijender Balain^a ; Joaquim Radua^b ; Peter F. Liddle^a
• 关键词：Insula ; Signed differential mapping ; Morphometry ; Schizophrenia ; Hallucinations
• 刊名：Schizophrenia Research
• 出版年：2012
• 期刊代码：240_09209964
• 类别：med
• 出版时间：May, 2012
• 卷：137
• 期：1-3
• 页码：169-173
• 文件大小：277 K

摘要

Background

Despite being one of the most common symptoms of schizophrenia, determining the neural correlates of auditory hallucinations still remains elusive with various studies providing inconsistent results.

Methods

We conducted a voxel-based meta-analysis of studies investigating the structural correlates of auditory hallucinations in schizophrenia.

Results

7 datasets including 350 patients were identified. There was a significant negative correlation between the severity of hallucinations and gray matter volume in the left insula and right superior temporal gyrus.

Conclusion

With its key role in stimulus evaluation and optimizing prediction (proximal salience), the insula is likely to be a cardinal region along with superior temporal gyrus in the mechanism of auditory hallucinations in schizophrenia.