Cerebral Cortex Advance Access originally published online on January 19, 2005
Cerebral Cortex 2005 15(9):1424-1437; doi:10.1093/cercor/bhi023
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
© Oxford University Press 2005; all rights reserved
Coherent Oscillatory Activity in Monkey Area V4 Predicts Successful Allocation of Attention
1 Brain Research Institute, Center for Emotional and Cognitive Sciences, University of Bremen, D-28334 Bremen, Germany and 2 Department of Neurobiology, Harvard Medical School, 220 Longwood Ave, Boston, MA 02115, USA
Address correspondence to Dr Andreas Kreiter, Brain Research Institute, Center for Emotional and Cognitive Sciences, University of Bremen, PO Box 33 04 40, D-28334 Bremen, Germany. Email: kreiter{at}brain.uni-bremen.de.
Attention serves to select objects from often complex scenes for enhanced processing and perception. In particular, the perception of shape depends critically on attention for integrating the various parts of the selected object into a coherent representation of object shape. To study whether oscillatory neuronal synchrony may serve as a mechanism of attention in shape perception, we introduced a novel shape-tracking task requiring sustained attention to a morphing shape. Attention was found to strongly increase oscillatory currents underlying the recorded field potentials in the 
-frequency range, thus indicating enhanced neuronal synchrony within the population of V4 neurons representing the attended stimulus. Errors indicating a misdirection of attention to the distracter instead of the target were preceded by a corresponding shift of oscillatory activity from the target's neuronal representation to that of the distracter. No such effect was observed for errors unrelated to attention. Modulations of the attention-dependent enhancement of oscillatory activity occurred in correspondence with changing attentional demands during the course of a trial. The specificity of the effect of attentional errors together with the close coupling between attentional demand and oscillatory activity support the hypothesis that oscillatory neuronal synchrony serves as a mechanism of attention.
Key Words: attention • gamma band • oscillation • shape perception • synchronization • visual cortex
CiteULike 
Connotea 
Del.icio.us What's this?
This article has been cited by other articles:
|
|
 |
|
  S. P. Koch, P. Werner, J. Steinbrink, P. Fries, and H. Obrig Stimulus-Induced and State-Dependent Sustained Gamma Activity Is Tightly Coupled to the Hemodynamic Response in Humans J. Neurosci., November 4, 2009; 29(44): 13962 - 13970. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
M. J. Jutras, P. Fries, and E. A. Buffalo Gamma-Band Synchronization in the Macaque Hippocampus and Memory Formation J. Neurosci., October 7, 2009; 29(40): 12521 - 12531. [Abstract] [Full Text] [PDF]
|
|
|
|
 |
|
 B. Lima, W. Singer, N.-H. Chen, and S. Neuenschwander Synchronization Dynamics in Response to Plaid Stimuli in Monkey V1 Cereb Cortex, October 7, 2009; (2009) bhp218v1. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
D. Rotermund, K. Taylor, U. A. Ernst, A. K. Kreiter, and K. R. Pawelzik Attention Improves Object Representation in Visual Cortical Field Potentials J. Neurosci., August 12, 2009; 29(32): 10120 - 10130. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
C. A. Bosman, T. Womelsdorf, R. Desimone, and P. Fries A Microsaccadic Rhythm Modulates Gamma-Band Synchronization and Behavior J. Neurosci., July 29, 2009; 29(30): 9471 - 9480. [Abstract] [Full Text] [PDF]
|
|
|
|
 |
|
 I. A. Muzzio, C. Kentros, and E. Kandel What is remembered? Role of attention on the encoding and retrieval of hippocampal representations J. Physiol., June 15, 2009; 587(12): 2837 - 2854. [Abstract] [Full Text] [PDF]
|
|
|
|
 |
|
 F. Bauer, S. W. Cheadle, A. Parton, H. J. Muller, and M. Usher From the Cover: Gamma flicker triggers attentional selection without awareness PNAS, February 3, 2009; 106(5): 1666 - 1671. [Abstract] [Full Text] [PDF]
|
|
|
|
 |
|
 C. I. Buia and P. H. Tiesinga Role of Interneuron Diversity in the Cortical Microcircuit for Attention J Neurophysiol, May 1, 2008; 99(5): 2158 - 2182. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
P. Fries, T. Womelsdorf, R. Oostenveld, and R. Desimone The Effects of Visual Stimulation and Selective Visual Attention on Rhythmic Neuronal Synchronization in Macaque Area V4 J. Neurosci., April 30, 2008; 28(18): 4823 - 4835. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
X. Li, D. Cui, P. Jiruska, J. E. Fox, X. Yao, and J. G. R. Jefferys Synchronization Measurement of Multiple Neuronal Populations J Neurophysiol, December 1, 2007; 98(6): 3341 - 3348. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
M. Hauck, J. Lorenz, and A. K. Engel Attention to Painful Stimulation Enhances {gamma}-Band Activity and Synchronization in Human Sensorimotor Cortex J. Neurosci., August 29, 2007; 27(35): 9270 - 9277. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
T. H. Donner, M. Siegel, R. Oostenveld, P. Fries, M. Bauer, and A. K. Engel Population Activity in the Human Dorsal Pathway Predicts the Accuracy of Visual Motion Detection J Neurophysiol, July 1, 2007; 98(1): 345 - 359. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
M. Siegel, T. H. Donner, R. Oostenveld, P. Fries, and A. K. Engel High-Frequency Activity in Human Visual Cortex Is Modulated by Visual Motion Strength Cereb Cortex, March 1, 2007; 17(3): 732 - 741. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
M. Rose, T. Sommer, and C. Buchel Integration of Local Features to a Global Percept by Neural Coupling Cereb Cortex, October 1, 2006; 16(10): 1522 - 1528. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
J. Liu and W. T. Newsome Local field potential in cortical area MT: stimulus tuning and behavioral correlations. J. Neurosci., July 26, 2006; 26(30): 7779 - 7790. [Abstract] [Full Text] [PDF]
|
|