Event Abstract

The neural basis of color binding to an attended object

  • 1 University of California at San Diego, United States

Previous studies using ERPs and MEG have shown that attending to a moving dot surface produces a rapid activation of irrelevant features belonging to that surface. The co-activation of relevant and irrelevant features has been proposed as a neural mechanism for binding features together into a unified percept of the surface (object). In further studies we have recorded ERPs to determine whether an irrelevant color feature is activated when attention is directed to different types of objects and perceptual groupings. In separate experiments ERP components in the 200-300 ms range were identified that reflected activation of an irrelevant color when attention was directed to oriented arrays of lines, to check patterns of high or low spatial frequency, and to overlapping rectangular or oval shapes. We conclude that irrelevant feature activation occurs over a broad range of perceptual objects and may constitute a general mechanism for feature binding.

Keywords: color binding, selective attention

Conference: XI International Conference on Cognitive Neuroscience (ICON XI), Palma, Mallorca, Spain, 25 Sep - 29 Sep, 2011.

Presentation Type: Symposium: Oral Presentation

Topic: Symposium 1: Neural mechanisms of feature integration in object perception

Citation: Hillyard S (2011). The neural basis of color binding to an attended object. Conference Abstract: XI International Conference on Cognitive Neuroscience (ICON XI). doi: 10.3389/conf.fnhum.2011.207.00012

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Received: 03 Nov 2011; Published Online: 08 Nov 2011.

* Correspondence: Dr. Steven Hillyard, University of California at San Diego, San Diego, United States, shillyard@ucsd.edu

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