Peripheral and central sensation: multisensory orienting and recognition across species |
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| Affiliation: | 1. University of Tübingen, Max Planck Institute for Biological Cybernetics, Tübingen, Germany;1. Neuroscience Institute and Psychology Department, Carnegie Mellon University, Pittsburgh, PA, USA;2. Department of Ophthalmology, University of Pittsburgh, Pittsburgh, PA, USA;1. Department of Psychology, Western University, London, ON N6A 5B7, Canada;2. Department of Psychology, Durham University, Durham DH1 3LE, UK;1. Yale University, New Haven, CT 06520, USA;1. Department of Psychology, Western University, London, ON N6A 5B7, Canada;2. Department of Psychology, Durham University, Durham DH1 3LE, UK;1. School of Psychological Science, University of Bristol, Bristol, UK;2. Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany;1. Cognitive Science Program, Indiana University, 1101 E. 10th Street, Bloomington, IN 47405, USA;2. Department of Psychological and Brain Sciences, Indiana University, 1101 E. 10th Street, Bloomington, IN 47405, USA |
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| Abstract: | Attentional bottlenecks force animals to deeply process only a selected fraction of sensory inputs. This motivates a unifying central-peripheral dichotomy (CPD), which separates multisensory processing into functionally defined central and peripheral senses. Peripheral senses (e.g., human audition and peripheral vision) select a fraction of the sensory inputs by orienting animals’ attention; central senses (e.g., human foveal vision) allow animals to recognize the selected inputs. Originally used to understand human vision, CPD can be applied to multisensory processes across species. I first describe key characteristics of central and peripheral senses, such as the degree of top-down feedback and density of sensory receptors, and then show CPD as a framework to link ecological, behavioral, neurophysiological, and anatomical data and produce falsifiable predictions. |
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