A systematic review of multisensory cognitive-affective integration in schizophrenia

The etymology of schizophrenia implies poor functional integration of sensory, cognitive and affective processes. Multisensory integration (MSI) is a spontaneous perceptual-cognitive process by which relevant information from multiple sensory modalities is extracted to generate a holistic experience...

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Published in:Neuroscience and biobehavioral reviews 2015-08, Vol.55, p.444-452
Main Authors: Tseng, Huai-Hsuan, Bossong, Matthijs G, Modinos, Gemma, Chen, Kuan-Ming, McGuire, Philip, Allen, Paul
Format: Article
Language:English
Subjects:
Affect - physiology
Auditory Perception - physiology
Brain - physiopathology
Brain Mapping
Cognition - physiology
Humans
Magnetic Resonance Imaging
Perception - physiology
Schizophrenia - physiopathology
Schizophrenic Psychology
Visual Perception - physiology
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Summary:The etymology of schizophrenia implies poor functional integration of sensory, cognitive and affective processes. Multisensory integration (MSI) is a spontaneous perceptual-cognitive process by which relevant information from multiple sensory modalities is extracted to generate a holistic experience. Deficits in MSI may hinder prompt and appropriate behavioural responses in a complex and transient environment. Despite extensive investigation of sensory, cognitive and affective processing in patients with schizophrenia, little is known about how MSI is affected in the illness. We systemically searched the PubMed electronic database and reviewed twenty-nine behavioural and neuroimaging studies examining MSI in patients with schizophrenia. The available evidence indicates impaired MSI for non-emotional stimuli in schizophrenia, especially for linguistic information. There is also evidence for altered MSI for emotional stimuli, although findings are inconsistent and may be modality-specific. Brain functional alterations in the superior temporal cortex and inferior frontal cortex appear to underlie the deficits in both non-emotional and emotional MSI. The limitations of the experimental paradigms used and directions for future research are also discussed.
ISSN:0149-7634
1873-7528
DOI:10.1016/j.neubiorev.2015.04.019