Journal
FRONTIERS IN NEUROSCIENCE
Volume 15, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fnins.2021.755870
Keywords
auditory hallucination; DTI; EEG; fMRI; genetics; schizophrenia
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Funding
- National Natural Science Foundation of China [81871057, 8217050237]
- Japan Science and Technology Agency [JPMJAX190D, JPMJMS2011]
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Efforts have been made to uncover the etiology of AHs, with genetic, neurophysiological, and neuroimaging factors playing significant roles. Unique features of AHs in schizophrenia have been identified, warranting further investigation. Main findings include gene polymorphisms, neurotransmitter level changes, and abnormalities in brain structure and activity. More comprehensive research is needed to replicate and integrate current findings.
Enormous efforts have been made to unveil the etiology of auditory hallucinations (AHs), and multiple genetic and neural factors have already been shown to have their own roles. Previous studies have shown that AHs in schizophrenia vary from those in other disorders, suggesting that they have unique features and possibly distinguishable mechanisms worthy of further investigation. In this review, we intend to offer a comprehensive summary of current findings related to AHs in schizophrenia from aspects of genetics and transcriptome, neurophysiology (neurometabolic and electroencephalogram studies), and neuroimaging (structural and functional magnetic resonance imaging studies and transcriptome-neuroimaging association study). Main findings include gene polymorphisms, glutamate level change, electroencephalographic alterations, and abnormalities of white matter fasciculi, cortical structure, and cerebral activities, especially in multiple regions, including auditory and language networks. More solid and comparable research is needed to replicate and integrate ongoing findings from multidimensional levels.
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