ArticleFrontiers in behavioral neuroscience2019
Neural Interactions in a Spatially-Distributed Cortical Network During Perceptual Decision-Making.
Article in Frontiers in behavioral neuroscience, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed.
- Weighted Coherence Analysis as a Window into the Neurophysiological Effects of Traumatic Brain Injury.Bioengineering (Basel, Switzerland) · 2024Article
- Can Professionals Resist Cognitive Bias Elicited by the Visual System? Reversed Semantic Prime Effect and Decision Making in the Workplace: Reaction Times and Accuracy.Sensors (Basel, Switzerland) · 2024Article
- Living-Neuron-Based Autogenerator.Sensors (Basel, Switzerland) · 2023Article
- Studying perceptual bias in favor of the from-above Necker cube perspective in a goal-directed behavior.Frontiers in psychology · 2023Article
- Monitoring the Cortical Activity of Children and Adults during Cognitive Task Completion.Sensors (Basel, Switzerland) · 2021Article
- Sensor-Level Wavelet Analysis Reveals EEG Biomarkers of Perceptual Decision-Making.Sensors (Basel, Switzerland) · 2021Article
- Effect of repetition on the behavioral and neuronal responses to ambiguous Necker cube images.Scientific reports · 2021Article
- Functional Brain Network Analysis of Knowledge Transfer While Engineering Problem-Solving.Frontiers in human neuroscience · 2021Article
- Functional Near-Infrared Spectroscopy for the Classification of Motor-Related Brain Activity on the Sensor-Level.Sensors (Basel, Switzerland) · 2020Article
- Dissociating Cognitive Processes During Ambiguous Information Processing in Perceptual Decision-Making.Frontiers in behavioral neuroscience · 2020Article
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7 authors.
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Abstract
Behavioral experiments evidence that attention is not maintained at a constant level, but fluctuates with time. Recent studies associate such fluctuations with dynamics of attention-related cortical networks, however the exact mechanism remains unclear. To address this issue, we consider functional neuronal interactions during the accomplishment of a reaction time (RT) task which requires sustained attention. The participants are subjected to a binary classification of a large number of presented ambiguous visual stimuli with different degrees of ambiguity. Generally, high ambiguity causes high RT and vice versa. However, we demonstrate that RT fluctuates even when the stimulus ambiguity remains unchanged. The analysis of neuronal activity reveals that the subject's behavioral response is preceded by the formation of a distributed functional network in the β-frequency band. This network is characterized by high connectivity in the frontal cortex and supposed to subserve a decision-making process. We show that neither the network structure nor the duration of its formation depend on RT and stimulus ambiguity. In turn, RT is related to the moment of time when the β-band functional network emerges. We hypothesize that RT is affected by the processes preceding the decision-making stage, e.g., encoding visual sensory information and extracting decision-relevant features from raw sensory information.
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