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• W2315809232 abstract "Event Abstract Back to Event The Amygdala: Seeing and Looking Sara L. Gonzalez-Andino1*, Christopher Laine2, Rolando Grave De Peralta Menendez1 and Kathalin M. Gothard2 1 Geneva University Hospital, University Medical Centre, Switzerland 2 University of Arizona, United States Our eyes fixate the parts of the visual world labeled by the brain as perceptually salient. Visual saliency is driven by bottom-up factors pertaining to the perceptual characteristic of the stimulus and top-down factors that depend on behavioral relevance, goals and expertise. The amygdala likely contributes to top-down perceptual saliency given its well-established role in responding to emotional relevance of stimuli. Other brain structures known to signal saliency also influence the allocation of visual attention manifested in eye movements. Although the amygdala is not part of the classical neural circuit controlling eye movements, amygdala lesions cause aberrant visual scanning of images with socio-emotional relevance. Here we show that the amygdala of primates contains goal-related and general-purpose eye fixation neurons. Goal-related fixation neurons mark the onset of task related saccades while general-purpose neurons show continuous activity interrupted only by saccades. Single unit activity in amygdala accurately predicts eye fixations during the free-viewing of faces, objects and landscapes. Prediction is significantly better for faces where a bottom-up computational saliency model fails. Our results support a role for the amygdala in defining perceptual saliency and might explain the mechanism of abnormal fixation patterns in autism or schizophrenia and in patients with structural damage to the amygdala. They also suggest a more direct involvement of the amygdala in oculo-motor control than previously considered. Conference: 41st European Brain and Behaviour Society Meeting, Rhodes Island, Greece, 13 Sep - 18 Sep, 2009. Presentation Type: Poster Presentation Topic: Poster presentations Citation: Gonzalez-Andino SL, Laine C, Grave De Peralta Menendez R and Gothard KM (2009). The Amygdala: Seeing and Looking. Conference Abstract: 41st European Brain and Behaviour Society Meeting. doi: 10.3389/conf.neuro.08.2009.09.167 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: 09 Jun 2009; Published Online: 09 Jun 2009. * Correspondence: Sara L Gonzalez-Andino, Geneva University Hospital, University Medical Centre, Lausanne 1015 Vaud, Switzerland, sara.gonzalezandino@electrical-neuroimaging.ch 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 Sara L Gonzalez-Andino Christopher Laine Rolando Grave De Peralta Menendez Kathalin M Gothard Google Sara L Gonzalez-Andino Christopher Laine Rolando Grave De Peralta Menendez Kathalin M Gothard Google Scholar Sara L Gonzalez-Andino Christopher Laine Rolando Grave De Peralta Menendez Kathalin M Gothard PubMed Sara L Gonzalez-Andino Christopher Laine Rolando Grave De Peralta Menendez Kathalin M Gothard 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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• W2315809232 title "The Amygdala: Seeing and Looking" @default.
• W2315809232 doi "https://doi.org/10.3389/conf.neuro.08.2009.09.167" @default.
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