Phase Synchronization Analysis of EEG during Attentional Blink

The attentional blink (AB) phenomenon occurs when perceivers must report two targets embedded in a sequence of distracters; if the first target precedes the second by 200-600 msec, the second one is often missed. We investigated AB by measuring dynamic cross-lag phase synchronization for 565 electrode pairs in 40-Hz-range EEG. Phase synchrony, on average, was higher in experimental conditions, where two targets are reported, than in control conditions, where only the second target is reported. The effect occurred in electrode pairs covering the whole head. Timing of the synchrony was crucial: Brief episodes of enhanced synchrony occurred 100-500 msec before expected target onset in AB conditions where the second target was correctly reported. These results show that intrinsic brain dynamics produce anticipatory synchronization in transient assemblies of cortical areas. Enhanced levels of anticipatory synchronization occur in response to the demands of the task in conditions where the system's limited capacity is under strain.

[1]  J. Pernier,et al.  Induced gamma-band activity during the delay of a visual short-term memory task in humans. , 1998, The Journal of neuroscience : the official journal of the Society for Neuroscience.

[2]  J. Enns,et al.  The attentional blink: Resource depletion or temporary loss of control? , 2005, Psychological research.

[3]  D. Broadbent,et al.  From detection to identification: Response to multiple targets in rapid serial visual presentation , 1987, Perception & psychophysics.

[4]  E. Gordon,et al.  Synchronous Gamma activity: a review and contribution to an integrative neuroscience model of schizophrenia , 2003, Brain Research Reviews.

[5]  C. Spence,et al.  A crossmodal attentional blink between vision and touch , 2002, Psychonomic bulletin & review.

[6]  Rainer Goebel,et al.  Neural correlates of conscious perception in the attentional blink , 2005, NeuroImage.

[7]  K L Shapiro,et al.  Temporary suppression of visual processing in an RSVP task: an attentional blink? . , 1992, Journal of experimental psychology. Human perception and performance.

[8]  Kimron Shapiro,et al.  Modulation of long-range neural synchrony reflects temporal limitations of visual attention in humans. , 2004, Proceedings of the National Academy of Sciences of the United States of America.

[9]  Junji Ito,et al.  Dynamics of spontaneous transitions between global brain states , 2007, Human brain mapping.

[10]  W. Singer,et al.  Temporal binding and the neural correlates of sensory awareness , 2001, Trends in Cognitive Sciences.

[11]  S. Bressler,et al.  Trial-to-trial variability of cortical evoked responses: implications for the analysis of functional connectivity , 2002, Clinical Neurophysiology.

[12]  J. Martinerie,et al.  The brainweb: Phase synchronization and large-scale integration , 2001, Nature Reviews Neuroscience.

[13]  F. Varela,et al.  Perception's shadow: long-distance synchronization of human brain activity , 1999, Nature.

[14]  J. Martinerie,et al.  Comparison of Hilbert transform and wavelet methods for the analysis of neuronal synchrony , 2001, Journal of Neuroscience Methods.

[15]  Catherine Tallon-Baudry,et al.  Induced γ-Band Activity during the Delay of a Visual Short-Term Memory Task in Humans , 1998, The Journal of Neuroscience.

[16]  Anthony C. Davison,et al.  Bootstrap Methods and Their Application , 1998 .

[17]  Cees van Leeuwen,et al.  EEG phase synchronization analysis applied to the attentional blink phenomenon , 2004 .

[18]  P. Fries,et al.  Is synchronized neuronal gamma activity relevant for selective attention? , 2003, Brain Research Reviews.

[19]  V Di Lollo,et al.  Attentional requirements is visual detection and identification: evidence from the attentional blink. , 2001, Journal of experimental psychology. Human perception and performance.

[20]  C. Leeuwen,et al.  Scale-invariant fluctuations of the dynamical synchronization in human brain electrical activity , 2003, Neuroscience Letters.

[21]  A. Engel,et al.  Event-related potential correlates of the attentional blink phenomenon. , 2003, Brain research. Cognitive brain research.

[22]  E. Vogel,et al.  Electrophysiological Evidence for a Postperceptual Locus of Suppression during the Attentional Blink Time-based Attention and the Attentional Blink , 1998 .

[23]  O. Bertrand,et al.  Oscillatory gamma-band (30-70 Hz) activity induced by a visual search task in humans. , 1997, The Journal of neuroscience : the official journal of the Society for Neuroscience.

[24]  Robert Tibshirani,et al.  An Introduction to the Bootstrap , 1994 .

[25]  M C Potter,et al.  Two attentional deficits in serial target search: the visual attentional blink and an amodal task-switch deficit. , 1998, Journal of experimental psychology. Learning, memory, and cognition.

[26]  E. Vogel,et al.  Delayed working memory consolidation during the attentional blink , 2002, Psychonomic bulletin & review.

[27]  Walter F. Bischof,et al.  Attentional switching in spatial and nonspatial domains : Evidence from the attentional blink , 1999 .

[28]  Francisco Rodríguez-Quioñes.  Spanish researchers defeated by the system , 1999, Nature.

[29]  Jon Driver,et al.  Shifts of attention in light and in darkness: an ERP study of supramodal attentional control and crossmodal links in spatial attention. , 2003, Brain research. Cognitive brain research.

[30]  O. Bertrand,et al.  Oscillatory gamma activity in humans and its role in object representation , 1999, Trends in Cognitive Sciences.

[31]  F. Varela,et al.  Guiding the study of brain dynamics by using first-person data: Synchrony patterns correlate with ongoing conscious states during a simple visual task , 2002, Proceedings of the National Academy of Sciences of the United States of America.

[32]  P. Michie,et al.  The attentional blink and P300. , 1999, Neuroreport.

[33]  N. Birbaumer,et al.  High-frequency brain activity: Its possible role in attention, perception and language processing , 1997, Progress in Neurobiology.

[34]  E. Miller,et al.  An integrative theory of prefrontal cortex function. , 2001, Annual review of neuroscience.

[35]  Arland D. Weeks.  The limits of attention. , 1917 .