ArticleBiological psychiatry. Cognitive neuroscience and neuroimaging2024
Limited Consistency and Strength of Neural Oscillations During Sustained Visual Attention in Schizophrenia.
Article in Biological psychiatry. Cognitive neuroscience and neuroimaging, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 9 citations in OpenAlex.
- Understanding Attention in Schizophrenia: The Enduring Influence of Barbara Cornblatt.Schizophrenia bulletin · 2026Review
- Schizophrenia disrupts normative covariation of neural activity across modalities of perception.Journal of psychopathology and clinical science · 2026Article
- Differential deficits in pattern- versus flash-visual evoked potentials in schizophrenia: relationship to subcortical visual systems, pulvinar nucleus and cognition.Frontiers in neuroimaging · 2026Article
- Multiscale Permutation Time Irreversibility Analysis of MEG in Patients with Schizophrenia.Entropy (Basel, Switzerland) · 2025Article
- Temporal imprecision and its dynamics in schizophrenia.Translational psychiatry · 2025Article
- Seeing things in psychosis: Reduced theta power in early neural responses to ambiguous visual stimuli predicts perceptual distortions.Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2025Article
- Generalized Slowing of Resting-State Neural Oscillations in People With Schizophrenia.Biological psychiatry. Cognitive neuroscience and neuroimaging · 2025Article
- EEG-based Signatures of Schizophrenia, Depression, and Aberrant Aging: A Supervised Machine Learning Investigation.Schizophrenia bulletin · 2025Article
- Intersensory attention deficits in schizophrenia relate to ongoing sensorimotor beta oscillations.Schizophrenia (Heidelberg, Germany) · 2025Article
- Altered Use of Context During Visual Perception in Psychotic Psychopathology: A Neurophysiological Investigation of Tuned and Untuned Suppression During Contrast Perception.Schizophrenia bulletin · 2024Article
- Dysfunctional Alpha Modulation as a Mechanism of Working Memory Impairment in Serious Mental Illness.Biological psychiatry. Cognitive neuroscience and neuroimaging · 2024Article
- Prolonged Intrinsic Neural Timescales Dissociate from Phase Coherence in Schizophrenia.Brain sciences · 2023Article
- Resting-State EEG Connectivity at High-Frequency Bands and Attentional Performance Dysfunction in Stabilized Schizophrenia Patients.Medicina (Kaunas, Lithuania) · 2023Article
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5 authors at 1 institution in 1 country.
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Abstract
backgroundNeural oscillations support perception, attention, and higher-order decision making. Aberrations in the strength or consistency of these oscillations in response to stimuli may underlie impaired visual perception and attention in schizophrenia. Here, we examined the phase and power of alpha oscillations (8-12 Hz) as well as aspects of beta and theta frequency oscillations during a demanding visual sustained attention task.
methodsPatients with schizophrenia (n = 74) and healthy control participants (n = 68) completed the degraded stimulus continuous performance task during electroencephalography. We used time-frequency analysis to evaluate the consistency (intertrial phase coherence) of the alpha cycle shortly after stimulus presentation (50-250 ms). For oscillation strength, we examined event-related desynchronization in a later window associated with decision making (360-700 ms).
resultsAlpha intertrial phase coherence was reduced in schizophrenia, and similar reductions were observed in theta (4-7 Hz) and beta (13-20 Hz), suggesting a lack of responsiveness in slower oscillations to visual stimuli. Alpha and beta event-related desynchronization were also reduced in schizophrenia and associated with worse task performance, increased symptoms, and poorer cognition, suggesting that limited responsiveness of oscillations is related to impairments in the disorder. Individuals with lower intertrial phase coherence had slower resting-state alpha rhythms consistent with dysfunctional oscillations persisting across default and task-related brain states.
conclusionsIn schizophrenia, abnormalities in the phase consistency and strength of slower oscillations during visual perception are related to symptoms and cognitive functioning. Altered visual perception and impaired attention in the disorder may be the consequence of aberrant slower oscillations that fail to dynamically reset and modulate in response to stimuli.
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