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检索条件"主题词=Population coding"
268 条 记 录,以下是171-180 订阅
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Disparity Energy Model Using a Trained Neuronal population
Disparity Energy Model Using a Trained Neuronal Population
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IEEE International Symposium on Signal Processing and Information Technology (ISSPIT)
作者: Martins, Jaime A. Rodrigues, J. M. F. du Buf, J. M. H. Univ Algarve Inst Syst & Robot Vis Lab FCT Faro Portugal
Depth information using the biological Disparity Energy Model can be obtained by using a population of complex cells. This model explicitly involves cell parameters like their spatial frequency, orientation, binocular... 详细信息
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A Neural Network Model for Categorical Effects in Color Memory
A Neural Network Model for Categorical Effects in Color Memo...
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16th International Symposium on Artificial Life and Robotics (AROB 16th '11)
作者: Imai, Chihiro Tajima, Satohiro Aihara, Kazuyuki Suzuki, Hideyuki Univ Tokyo Meguro Ku 4-6-1 Komaba Tokyo 1538505 Japan NHK Japan Broadcasting Corp Nagano Stn Nagano Nagano 3808502 Japan
Human color perception is categorical. Previous experimental studies have shown that the color category has profound effects on cortical neural responses, perceptual color discrimination and color memory. However, exi... 详细信息
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Increased pattern separation in the aged fascia dentata
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NEUROBIOLOGY OF AGING 2011年 第12期32卷 2317.e23-2317.e32页
作者: Marrone, Diano F. Adams, Allison A. Satvat, Elham Wilfrid Laurier Univ Dept Psychol Waterloo ON N2L 3C5 Canada Univ Arizona McKnight Brain Inst Tucson AZ 85719 USA
One prominent impairment associated with aging is a deficit in the ability of the hippocampus to form stable contextual representations. Place-specific firing in granule cells of the fascia dentata (FD) is thought to ... 详细信息
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A Neurophysiologically Plausible population Code Model for Feature Integration Explains Visual Crowding
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PLOS COMPUTATIONAL BIOLOGY 2010年 第1期6卷 1-11页
作者: van den Berg, Ronald Roerdink, Jos B. T. M. Cornelissen, Frans W. Univ Groningen Inst Math & Comp Sci Groningen Netherlands Univ Groningen Univ Med Ctr Groningen Lab Expt Ophthalmol Groningen Netherlands Univ Groningen Sch Behav & Cognit Neurosci Groningen Netherlands
An object in the peripheral visual field is more difficult to recognize when surrounded by other objects. This phenomenon is called "crowding". Crowding places a fundamental constraint on human vision that l... 详细信息
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Suprathreshold stochastic resonance induced by ion channel fluctuation
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PHYSICA D-NONLINEAR PHENOMENA 2010年 第6期239卷 327-334页
作者: Ashida, Go Kubo, Masayoshi Univ Maryland Dept Biol College Pk MD 20742 USA Kyoto Univ Grad Sch Informat Kyoto 6068501 Japan
In this study, we examine the signal detection ability of an array of neurons with intrinsic channel fluctuation. Numerical simulations show that estimation of the input signal from the output spiking activity of the ... 详细信息
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Schema generation in recurrent neural nets for intercepting a moving target
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BIOLOGICAL CYBERNETICS 2010年 第6期102卷 451-473页
作者: Fleischer, Andreas G. Univ Hamburg Dept Biol D-22527 Hamburg Germany
The grasping of a moving object requires the development of a motor strategy to anticipate the trajectory of the target and to compute an optimal course of interception. During the performance of perception-action cyc... 详细信息
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Information-theoretic methods for studying population codes
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NEURAL NETWORKS 2010年 第6期23卷 713-727页
作者: Ince, Robin A. A. Senatore, Riccardo Arabzadeh, Ehsan Montani, Fernando Diamond, Mathew E. Panzeri, Stefano Italian Inst Technol Dept Robot Brain & Cognit Sci I-16163 Genoa Italy Univ Manchester Fac Life Sci Manchester Lancs England Univ New S Wales Sch Psychol Sydney NSW Australia Univ Nacl La Plata IFLP La Plata Buenos Aires Argentina INIFTA La Plata Buenos Aires Argentina Italian Inst Technol SISSA Unit Trieste Italy Scuola Int Super Studi Avanzati Cognit Neurosci Sector Trieste Italy
population coding is the quantitative study of which algorithms or representations are used by the brain to combine together and evaluate the messages carried by different neurons. Here, we review an information-theor... 详细信息
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A cortical model for binocular vergence control without explicit calculation of disparity
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NEUROCOMPUTING 2010年 第7-9期73卷 1065-1073页
作者: Gibaldi, Agostino Chessa, Manuela Canessa, Andrea Sabatini, Silvio P. Solari, Fabio Univ Genoa Dept Biophys & Elect Engn I-16145 Genoa Italy
A computational model for the control of horizontal vergence, based on a population of disparity tuned complex cells, is presented. Since the population is able to extract the disparity map only in a limited range, us... 详细信息
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Multineuronal vectorization is more efficient than time-segmental vectorization for information extraction from neuronal activities in the inferior temporal cortex
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NEURAL NETWORKS 2010年 第6期23卷 733-742页
作者: Kaneko, Hidekazu Tamura, Hiroshi Tate, Shunta Kawashima, Takahiro Suzuki, Shinya S. Fujita, Ichiro Natl Inst Adv Ind Sci & Technol Inst Human Sci & Biomed Engn Tsukuba Ibaraki 3058566 Japan Osaka Univ Grad Sch Frontier Biosci Lab Cognit Neurosci Osaka 5608531 Japan Japan Sci & Technol Agcy CREST Kawaguchi Saitama 3320012 Japan Toyohashi Univ Technol Cooperat Res Facil Ctr Toyohashi Aichi 4418580 Japan
In order for patients with disabilities to control assistive devices with their own neural activity, multineuronal spike trains must be efficiently decoded because only limited computational resources can be used to g... 详细信息
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Sensory information in local field potentials and spikes from visual and auditory cortices: time scales and frequency bands
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JOURNAL OF COMPUTATIONAL NEUROSCIENCE 2010年 第3期29卷 533-545页
作者: Belitski, Andrei Panzeri, Stefano Magri, Cesare Logothetis, Nikos K. Kayser, Christoph Max Planck Inst Biol Cybernet D-72076 Tubingen Germany Italian Inst Technol Robot Brain & Cognit Sci Dept I-16163 Genoa Italy Univ Manchester Div Imaging Sci & Biomed Engn Manchester M13 9PT Lancs England
Studies analyzing sensory cortical processing or trying to decode brain activity often rely on a combination of different electrophysiological signals, such as local field potentials (LFPs) and spiking activity. Under... 详细信息
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