Related Experiment Video
Updated: Oct 28, 2025
09:13
Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder
Published on: April 22, 2015
16.7K
Multisensory Processing Can Compensate for Top-Down Attention Deficits in Schizophrenia
James K Moran1, Julian Keil1,2, Alexander Masurovsky1
1Department of Psychiatry and Psychotherapy, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, St. Hedwig Hospital, 10115 Berlin, Germany.
Cerebral Cortex (New York, N.Y. : 1991)
|July 18, 2021
Summary
Schizophrenia patients show reduced intersensory attention (IA) for single sensory inputs but intact multisensory integration (MSI). IA and MSI mutually support processing, potentially compensating for attention deficits in schizophrenia.
Area of Science:
- Neuroscience
- Cognitive Science
- Psychiatry
Background:
- Schizophrenia (SCZ) studies on multisensory integration (MSI) yield conflicting results.
- Attention deficits in SCZ may confound MSI findings.
Purpose of the Study:
- To investigate the interplay between MSI and intersensory attention (IA) in SCZ.
- To clarify the role of attention in MSI in SCZ.
Main Methods:
- Compared IA and MSI in healthy controls (HC) and SCZ (N=27 each).
- Measured brain potentials using high-density electroencephalography during unisensory (visual/tactile) and bisensory (VT) stimulus presentation.
- Assessed attention by having participants focus on visual or tactile inputs blockwise.
Main Results:
- SCZ exhibited diminished IA for unisensory stimuli but not bisensory stimuli compared to HC.
- Reduced IA effects for bisensory stimuli were observed in SCZ over mediofrontal regions (230-320 ms).
- MSI did not differ between HC and SCZ; both groups showed integration over occipital and frontal regions (240-364 ms).
- Both IA and MSI positively correlated with behavioral performance in SCZ.
Conclusions:
- IA and MSI mutually facilitate bisensory processing in SCZ.
- Multisensory processing may compensate for attention deficits in SCZ.
- Variations in attentional demands and compensation by MSI could explain prior conflicting findings.
Related Concept Videos
01:20Parallel Processing
388
The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
388
01:27Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
1.2K
Schizophrenia is a neurodevelopmental disorder whose origins are rooted in complex genetic components. Despite our burgeoning understanding, the pathophysiology of this disorder remains incompletely deciphered.
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within...
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within...
1.2K
01:01Neuroplasticity
977
Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
977
01:28Perception
723
Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
723
01:30Positive Symptoms of Schizophrenia: Hallucinations and Delusions
248
Schizophrenia is a complex mental health disorder that can manifest with various positive symptoms, including thought, movement, and behavior disorders. These symptoms significantly disrupt cognitive and motor functions, leading to profound effects on an individual's ability to engage with the world.
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes...
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes...
248
01:15Subconsciousness and No Awareness
440
The concept of subconscious awareness refers to the processing of information below the level of conscious thought, which significantly influences both behaviors and decisions. It is also known as waking subconscious awareness. This complex level of cognition operates without the direct awareness of the individual, facilitating rapid and simultaneous handling of multiple information streams.
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
440