Brain mechanisms of serial and parallel processing during dual-task performance
The psychological refractory period (PRP) refers to the fact that humans typically cannot perform two tasks at once. Behavioral experiments have led to the proposal that, in fact, peripheral perceptual and motor stages continue to operate in parallel, and that only a central decision stage imposes a...
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todo:paper_02706474_v28_n30_p7585_Sigman2023-10-03T15:14:40Z Brain mechanisms of serial and parallel processing during dual-task performance Sigman, M. Dehaene, S. Bottleneck Brain dynamics Cognitive architecture EEG fMRI PRP adult article auditory system cerebellum cluster analysis cognition controlled study electroencephalography female functional magnetic resonance imaging human human experiment insula male motor cortex neuroimaging normal human parietal lobe prefrontal cortex premotor cortex priority journal psychological refractory period qualitative analysis task performance visual system auditory stimulation blood brain brain mapping evoked response hearing image processing learning methodology nuclear magnetic resonance imaging photostimulation physiology prediction and forecasting principal component analysis psychological model reaction time task performance vascularization vision oxygen Acoustic Stimulation Adult Auditory Perception Brain Brain Mapping Electroencephalography Evoked Potentials Female Humans Image Processing, Computer-Assisted Magnetic Resonance Imaging Male Models, Psychological Oxygen Photic Stimulation Practice (Psychology) Predictive Value of Tests Principal Component Analysis Reaction Time Refractory Period, Psychological Task Performance and Analysis Visual Perception The psychological refractory period (PRP) refers to the fact that humans typically cannot perform two tasks at once. Behavioral experiments have led to the proposal that, in fact, peripheral perceptual and motor stages continue to operate in parallel, and that only a central decision stage imposes a serial bottleneck. We tested this model using neuroimaging methods combined with innovative time-sensitive analysis tools. Subjects performed a dual-task visual-auditory paradigm in which a delay of 300 ms was injected into the auditory task either within or outside of the dual-task interference period. Event-related potentials indicated that the first ∼250 ms of processing were insensitive to dual-task interference, and that the PRP was mainly reflected in a delayed global component. By a clustering analysis based on time-resolved functional magnetic resonance imaging, we identified networks with qualitatively different timing properties: sensory areas tracked the objective time of stimulus presentation, a bilateral parietoprefrontal network correlated with the PRP delay, and an extended bilateral network that included bilateral posterior parietal cortex, premotor cortex, supplementary motor area, anterior part of the insula, and cerebellum was shared by both tasks during the extent of dual-task performance. The results provide physiological evidence for the coexistence of serial and parallel processes within a cognitive task. Copyright © 2008 Society for Neuroscience. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_02706474_v28_n30_p7585_Sigman |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Bottleneck Brain dynamics Cognitive architecture EEG fMRI PRP adult article auditory system cerebellum cluster analysis cognition controlled study electroencephalography female functional magnetic resonance imaging human human experiment insula male motor cortex neuroimaging normal human parietal lobe prefrontal cortex premotor cortex priority journal psychological refractory period qualitative analysis task performance visual system auditory stimulation blood brain brain mapping evoked response hearing image processing learning methodology nuclear magnetic resonance imaging photostimulation physiology prediction and forecasting principal component analysis psychological model reaction time task performance vascularization vision oxygen Acoustic Stimulation Adult Auditory Perception Brain Brain Mapping Electroencephalography Evoked Potentials Female Humans Image Processing, Computer-Assisted Magnetic Resonance Imaging Male Models, Psychological Oxygen Photic Stimulation Practice (Psychology) Predictive Value of Tests Principal Component Analysis Reaction Time Refractory Period, Psychological Task Performance and Analysis Visual Perception |
| spellingShingle |
Bottleneck Brain dynamics Cognitive architecture EEG fMRI PRP adult article auditory system cerebellum cluster analysis cognition controlled study electroencephalography female functional magnetic resonance imaging human human experiment insula male motor cortex neuroimaging normal human parietal lobe prefrontal cortex premotor cortex priority journal psychological refractory period qualitative analysis task performance visual system auditory stimulation blood brain brain mapping evoked response hearing image processing learning methodology nuclear magnetic resonance imaging photostimulation physiology prediction and forecasting principal component analysis psychological model reaction time task performance vascularization vision oxygen Acoustic Stimulation Adult Auditory Perception Brain Brain Mapping Electroencephalography Evoked Potentials Female Humans Image Processing, Computer-Assisted Magnetic Resonance Imaging Male Models, Psychological Oxygen Photic Stimulation Practice (Psychology) Predictive Value of Tests Principal Component Analysis Reaction Time Refractory Period, Psychological Task Performance and Analysis Visual Perception Sigman, M. Dehaene, S. Brain mechanisms of serial and parallel processing during dual-task performance |
| topic_facet |
Bottleneck Brain dynamics Cognitive architecture EEG fMRI PRP adult article auditory system cerebellum cluster analysis cognition controlled study electroencephalography female functional magnetic resonance imaging human human experiment insula male motor cortex neuroimaging normal human parietal lobe prefrontal cortex premotor cortex priority journal psychological refractory period qualitative analysis task performance visual system auditory stimulation blood brain brain mapping evoked response hearing image processing learning methodology nuclear magnetic resonance imaging photostimulation physiology prediction and forecasting principal component analysis psychological model reaction time task performance vascularization vision oxygen Acoustic Stimulation Adult Auditory Perception Brain Brain Mapping Electroencephalography Evoked Potentials Female Humans Image Processing, Computer-Assisted Magnetic Resonance Imaging Male Models, Psychological Oxygen Photic Stimulation Practice (Psychology) Predictive Value of Tests Principal Component Analysis Reaction Time Refractory Period, Psychological Task Performance and Analysis Visual Perception |
| description |
The psychological refractory period (PRP) refers to the fact that humans typically cannot perform two tasks at once. Behavioral experiments have led to the proposal that, in fact, peripheral perceptual and motor stages continue to operate in parallel, and that only a central decision stage imposes a serial bottleneck. We tested this model using neuroimaging methods combined with innovative time-sensitive analysis tools. Subjects performed a dual-task visual-auditory paradigm in which a delay of 300 ms was injected into the auditory task either within or outside of the dual-task interference period. Event-related potentials indicated that the first ∼250 ms of processing were insensitive to dual-task interference, and that the PRP was mainly reflected in a delayed global component. By a clustering analysis based on time-resolved functional magnetic resonance imaging, we identified networks with qualitatively different timing properties: sensory areas tracked the objective time of stimulus presentation, a bilateral parietoprefrontal network correlated with the PRP delay, and an extended bilateral network that included bilateral posterior parietal cortex, premotor cortex, supplementary motor area, anterior part of the insula, and cerebellum was shared by both tasks during the extent of dual-task performance. The results provide physiological evidence for the coexistence of serial and parallel processes within a cognitive task. Copyright © 2008 Society for Neuroscience. |
| format |
JOUR |
| author |
Sigman, M. Dehaene, S. |
| author_facet |
Sigman, M. Dehaene, S. |
| author_sort |
Sigman, M. |
| title |
Brain mechanisms of serial and parallel processing during dual-task performance |
| title_short |
Brain mechanisms of serial and parallel processing during dual-task performance |
| title_full |
Brain mechanisms of serial and parallel processing during dual-task performance |
| title_fullStr |
Brain mechanisms of serial and parallel processing during dual-task performance |
| title_full_unstemmed |
Brain mechanisms of serial and parallel processing during dual-task performance |
| title_sort |
brain mechanisms of serial and parallel processing during dual-task performance |
| url |
http://hdl.handle.net/20.500.12110/paper_02706474_v28_n30_p7585_Sigman |
| work_keys_str_mv |
AT sigmanm brainmechanismsofserialandparallelprocessingduringdualtaskperformance AT dehaenes brainmechanismsofserialandparallelprocessingduringdualtaskperformance |
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1782025829780291584 |