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• W2322589934 abstract "Event Abstract Back to Event The Selective Attention for Action Model (SAAM) Christoph Böhme1* and Dietmar Heinke1 1 University of Birmingham, School of Psychology, United Kingdom Classically, visual attention is assumed to be influenced by visual properties of objects, e.g. as assessed in visual search tasks. However, recent experimental evidence suggests that visual attention is also guided by action-related properties of objects (affordances, Gibson, 1966, 1979), e.g. the handle of a cup affords grasping the cup; therefore attention is drawn towards the handle (see Pellegrino, Rafal, and Tipper, 2005 for an example).In a first step towards modelling this interaction between attention and action, we implemented the Selective Attention for Action model (SAAM). The design of SAAM is based on the Selective Attention for Identification model (SAIM, Heinke & Humphreys, 2003). For instance, we also followed a soft-constraint satisfaction approach in a connectionist framework. However, SAAM's selection process is guided by locations within objects suitable for grasping them whereas SAIM selects objects based on their visual properties.In order to implement SAAM's selection mechanism two sets of constraints were implemented. The first set of constraints took into account the anatomy of the hand, e.g. maximal possible distances between fingers. The second set of constraints (geometrical constraints) considered suitable contact points on objects by using simple edge detectors. At first, we demonstrate that SAAM can successfully mimic human behaviour by comparing simulated contact points with experimental data. Secondly, we show that SAAM simulates affordance-guided attentional behaviour as it successfully generates contact points for only one object in two-object images. Our model shows that stable grasps can be derived directly from visual inputs without doing object-recognition and without constructing three dimensional internal representations of objects. Also, no complex torque and forces analysis is required. The similar mechanisms employed in SAIM and SAAM make it palpable to combine both into a unified model of visual selection for action and identification. References 1. Gibson, J. J. (1966). The senses considered as perceptual systems. Boston: Houghten-Mifflin.2. Gibson, J.J. (1779). The ecological approach to visual perception. Boston: Houghton-Mifflin.3. Heinke, D., & Humphreys, G. W. (2003). Attention, spatial representation and visual neglect: Simulating emergent attention and spatial memory in the selective attention for identification model (SAIM). Psychological Review 110(1), 29--87.4. Pellegrino, G. di, Rafal, R., & Tipper, S. P. (2005). Implicitly evoked actions modulate visual selection: evidence from parietal extinction. Current Biology, 15(16), 1469--1472. Conference: Bernstein Conference on Computational Neuroscience, Frankfurt am Main, Germany, 30 Sep - 2 Oct, 2009. Presentation Type: Poster Presentation Topic: Dynamical systems and recurrent networks Citation: Böhme C and Heinke D (2009). The Selective Attention for Action Model (SAAM). Front. Comput. Neurosci. Conference Abstract: Bernstein Conference on Computational Neuroscience. doi: 10.3389/conf.neuro.10.2009.14.033 Copyright: The abstracts in this collection have not been subject to any Frontiers peer review or checks, and are not endorsed by Frontiers. They are made available through the Frontiers publishing platform as a service to conference organizers and presenters. The copyright in the individual abstracts is owned by the author of each abstract or his/her employer unless otherwise stated. Each abstract, as well as the collection of abstracts, are published under a Creative Commons CC-BY 4.0 (attribution) licence (https://creativecommons.org/licenses/by/4.0/) and may thus be reproduced, translated, adapted and be the subject of derivative works provided the authors and Frontiers are attributed. For Frontiers’ terms and conditions please see https://www.frontiersin.org/legal/terms-and-conditions. Received: 26 Aug 2009; Published Online: 26 Aug 2009. * Correspondence: Christoph Böhme, University of Birmingham, School of Psychology, Birmingham, United Kingdom, cxb632@bham.ac.uk Login Required This action requires you to be registered with Frontiers and logged in. To register or login click here. Abstract Info Abstract The Authors in Frontiers Christoph Böhme Dietmar Heinke Google Christoph Böhme Dietmar Heinke Google Scholar Christoph Böhme Dietmar Heinke PubMed Christoph Böhme Dietmar Heinke Related Article in Frontiers Google Scholar PubMed Abstract Close Back to top Javascript is disabled. Please enable Javascript in your browser settings in order to see all the content on this page." @default.
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• W2322589934 title "The Selective Attention for Action Model (SAAM)" @default.
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• W2322589934 doi "https://doi.org/10.3389/conf.neuro.10.2009.14.033" @default.
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