Affiliation:
1. Department of Neurobiology, Max Planck Institute for Biophysical Chemistry, 37077 Göttingen, Germany
Abstract
The single-neuron doctrine is reexamined, and the search for causal links between single units and sensation reviewed. Although several decades of single-unit recording have been very successful in elucidating physiological mechanisms, linking signals from a single cell and perception has progressed at a slower rate. Nevertheless, analysing the activity of single neurons has achieved significant gains and remains the most promising level for elucidation of processing algorithms in the visual system. At the subcortical level, the conclusion that signals from just a single cell can carry enough information for some kinds of performance remains (almost) valid. Under carefully controlled conditions, just a few impulses in a few retinal ganglion cells are an adequate signal for the cortex to initiate a behavioural response. Elucidating cortical codes has been more difficult, and evidence exists suggesting the sharing of responsibility for a task among cell assemblies; how large these assemblies are, and how to test for them neurophysiologically, remains a challenge.
Subject
Artificial Intelligence,Sensory Systems,Experimental and Cognitive Psychology,Ophthalmology
Cited by
8 articles.
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1. Visual PerceptionAuthor's Note: Original version supported by NEI grant R01 EY 12926-06; revision supported by NSF grant BCS 1027120/1027259. Correspondence: MK & WE-Department of Psychology, PO Box 400400, University of Virginia, Charlottesville, VA 22904-4400 (e-mail: kubovy@virginia.edu, we7v@virginia.edu). SG-Vision Center Laboratory & Systems Neurobiology Laboratory, The Salk Institute for Biological Studies, 10010 N. Torrey Pines Road, La Jolla, CA 92037 (e-mail: sergei@salk.edu).;Handbook of Psychology, Second Edition;2012-09-26
2. Behaviour and neural responses in crucian carp to skin odours from cross-order species;Behaviour;2012
3. Statistics of Optical Coherence Tomography Data From Human Retina;IEEE Transactions on Medical Imaging;2010-06
4. Optimal Neuronal Tuning for Finite Stimulus Spaces;Neural Computation;2006-07
5. Electrical stimulation of isolated retina with microwire glass electrodes;Journal of Neuroscience Methods;2004-08