A neural theory of visual attention: bridging cognition and neurophysiology.
نویسندگان
چکیده
A neural theory of visual attention (NTVA) is presented. NTVA is a neural interpretation of C. Bundesen's (1990) theory of visual attention (TVA). In NTVA, visual processing capacity is distributed across stimuli by dynamic remapping of receptive fields of cortical cells such that more processing resources (cells) are devoted to behaviorally important objects than to less important ones. By use of the same basic equations used in TVA, NTVA accounts for a wide range of known attentional effects in human performance (reaction times and error rates) and a wide range of effects observed in firing rates of single cells in the primate visual system. NTVA provides a mathematical framework to unify the 2 fields of research--formulas bridging cognition and neurophysiology.
منابع مشابه
Computational models of visual attention
http://dx.doi.org/10.1016/j.visres.2015.09.007 0042-6989/ 2015 Elsevier Ltd. All rights reserved. Visual attention has been the topic of intensive research in the last three decades. Computational approaches to study vision and cognition aim at precisely specifying theories and mechanisms, generating testable quantitative predictions and bridging behavioral and physiological approaches. In the ...
متن کاملMathematics bridging cognition and single-cell physiology
We need well-founded theories linking attentional phenomena at the cognitive, psychological level to neurophysiological phenomena at the level of individual neurons, and we want the theories to be as precise as possible. Is it currently feasible to formulate such theories in mathematical terms? Here I argue, by example, for a positive answer. My example is the neural theory of visual attention ...
متن کاملA Neural Approach to Cognition Based on Dynamic Field Theory
Much theoretical work has been dedicated to studying neural field equations at an abstract, mathematical level, focusing on the dynamic properties of the solutions (this book provides review of many of the latest efforts in this direction). Much less attention has been directed at understanding how function, in particular, how cognition may emerge from the different dynamic regimes and solution...
متن کاملBridging the gap between monkey neurophysiology and human perception: an ambiguity resolution theory of visual selective attention.
When the visual system must process multiple objects simultaneously, as in the visual search paradigm, the neural coding of individual objects can become ambiguous due to the visual system's extensive use of coarse coding and distributed representations. Here we propose that the primary role of visual selective attention within the ventral object recognition pathway is to resolve these ambiguit...
متن کاملPresenting the model of moral development in teenagers according to metacognitive components with the emphasis on social cognition theory
The purpose of this study was to develop a model of moral development based on metacognitive components with the mediation of social cognition. The statistical population included all the first high school students in Khorramabad city, among whom 311 (146 males and 165 females) were selected based on multistage cluster sampling method and completed Rest and colleagues` moral reasoning, Swanson ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
- Psychological review
دوره 112 2 شماره
صفحات -
تاریخ انتشار 2005