Lee, Dale Kathleen and Koch, Christof and Braun, Jochen (1999) Attentional capacity is undifferentiated: Concurrent discrimination of form, color, and motion. Perception and Psychophysics, 61 (7). pp. 1241-55. ISSN 0031-5117. http://resolver.caltech.edu/CaltechAUTHORS:20130816-103213443
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We report a series of experiments on the concurrent discrimination of form, color, and motion attributes. All tasks involved joint discrimination of attributes, and positions and were highly demanding of attention. We quantified interference between concurrent discriminations by establishing the attention-operating characteristic. Interference was indistinguishable for similar and dissimilar task combinations (form-form, color-color, motion-motion, and color-form, color-motion, motion-color, and motion-form, respectively). These results suggest strongly that different visual discriminations draw on the same attentional capacity—in other words, that the capacity of visual attention is undifferentiated.
|Additional Information:||Copyright 1999 Psychonomic Society, Inc. (Manuscript received February 23, 1998; revision accepted for publication August 24, 1998.) This research was supported by grants from NIMH, ONR, Sloan Foundation for Theoretical Biology, and NSF Center for Neuromorphic Engineering. We are extremely grateful to Terry Sejnowski for giving us access to laboratory facilities.|
|Group:||Koch Laboratory, KLAB|
|Subject Keywords:||Cognitive Psychology|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||KLAB Import|
|Deposited On:||11 Mar 2010 05:58|
|Last Modified:||14 Nov 2013 23:21|
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