Brain's parallel processing

Discussion in 'Intelligence & Machines' started by kmguru, Jun 26, 2002.

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  1. kmguru Staff Member

    Does neuroscience belong here?

    Parallel processing in high-level categorization of natural images

    Guillaume A. Rousselet, Michèle Fabre-Thorpe & Simon J. Thorpe

    Centre de Recherche Cerveau and Cognition (UMR 5549, CNRS-UPS), Faculté de Médecine de Rangueil, 133 route de Narbonne, 31062 Toulouse, France
    Correspondence should be addressed to G A Rousselet. e-mail:

    Models of visual processing often include an initial parallel stage that is restricted to relatively low-level features, whereas activation of higher-level object descriptions is generally assumed to require attention1-4. Here we report that even high-level object representations can be accessed in parallel: in a rapid animal versus non-animal categorization task, both behavioral and electrophysiological data show that human subjects were as fast at responding to two simultaneously presented natural images as they were to a single one. The implication is that even complex natural images can be processed in parallel without the need for sequential focal attention.
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