2024 High-precision coding in visual cortex

High-precision coding in visual cortex

Author: kych

August undefined, 2024

WebFeb 18, 2000 · Abstract. Theoretical studies suggest that primary visual cortex (area V1) uses a sparse code to efficiently represent natural scenes. This issue was investigated by recording from V1 neurons in awake behaving macaques during both free viewing of natural scenes and conditions simulating natural vision. Stimulation of the nonclassical receptive ... WebJun 21, 2024 · We recorded simultaneously from ∼20,000 neurons in mouse visual cortex and found that the neural population had discrimination thresholds of 0.3° in an …

Timing Precision in Population Coding of Natural Scenes in the

WebJun 4, 2024 · We recorded simultaneously from ∼20,000 neurons in mouse primary visual cortex (V1) and found that the neural populations had discrimination thresholds of ∼0.34° … WebMar 30, 2024 · This inter-nal representation is mediated by temporally distinct neuralcodes, supporting a precision-based description of the neuronalmessage passing in the visual cortex. Figures - available... scandale thalidomide

Does predictive coding have a future? Nature Neuroscience

WebApr 8, 2024 · Search worldwide, life-sciences literature Search. Advanced Search Coronavirus articles and preprints Search examples: "breast cancer" Smith J WebAug 1, 1996 · It is shown that the information conveyed by an action potential depends on the duration of the immediately preceding interspike interval (ISI), and the evidence suggests that visual neurons are well equipped to decode stimulus-related information on the basis of relative spike timing and ISI duration. 179 PDF WebAug 25, 2010 · Although the neural coding precision was high for random tone sequences and natural sounds, the information lost at a precision coarser than a few milliseconds was higher for the stimulus sequence that varied on a faster time scale (random tones), suggesting that the precision of cortical firing depends on the stimulus dynamics. sb buty

Sparse Coding and Decorrelation in Primary Visual Cortex During …

Nature and Precision of Temporal Coding in Visual Cortex: A …

WebNov 2, 2024 · A data-based large-scale model for primary visual cortex enables brain-like robust and versatile visual processing Guozhang Chen, Franz Scherr, and Wolfgang Maass Authors Info & Affiliations Science Advances 2 Nov 2024 Vol 8, Issue 44 DOI: 10.1126/sciadv.abq7592 Abstract WebNov 4, 2024 · We recorded simultaneously from ∼20,000 neurons in mouse primary visual cortex (V1) and found that the neural populations had discrimination thresholds of ∼0.34° … sb car registrationWebDec 16, 2008 · Here we show that the temporal scale of the population code entering visual cortex is on the order of 10 ms and is largely insensitive to changes in visual contrast. ... High response reliability of neurons in primary visual cortex (V1) of alert, trained monkeys. ... Yeh CI, Lesica NA, et al. (2007) Temporal precision in the neural code and the ... sb c.f

"WebJun 21, 2024 · This website requires cookies, and the limited processing of your personal data in order to function. By using the site you are agreeing to this as outlined in our privacy notice and cookie policy. " - High-precision coding in visual cortex

High-precision coding in visual cortex

High precision coding in mouse visual cortex bioRxiv

WebWe recorded simultaneously from up to 50,000 neurons in mouse primary visual cortex (V1) and in higher order visual areas and measured stimulus discrimination thresholds of 0.35° … WebApr 14, 2024 · High-precision coding in visual cortex Highlights • Large-scale recordings in visual cortex reveal a highly precise encoding of stimuli • The neural precision far surpasses behavioral precision in mice and even in humans • Primary visual cortex (V1) does not …

Did you know?

WebHigh-precision coding in visual cortex. Cell. PMID 33857423DOI: 10.1016/j.cell.2024.03.042 0.395 2024 Schröder S, Steinmetz NA, Krumin M, Pachitariu M, Rizzi M, Lagnado L, Harris KD, Carandini M. Arousal Modulates Retinal Output. Neuron. PMID 32445624DOI: 10.1016/J.Neuron.2024.04.026 0.305 2024

WebAug 1, 1996 · In V1 and V2, with both metrics, temporal precision was highest for contrast (ca. 10-30 ms) and lowest for texture type (ca. 100 ms). This systematic dependence of q on stimulus attribute provides a possible mechanism for the simultaneous representation of multiple stimulus attributes in one spike train. 6. WebNature and precision of temporal coding in visual cortex: a metric-space analysis J Neurophysiol. 1996 Aug;76(2):1310-26. doi: 10.1152/jn.1996.76.2.1310. ... The reciprocal of the optimal cost q serves as a measure of the temporal precision of temporal coding. In V1 and V2, with both metrics, temporal precision was highest for contrast (ca. 10 ...

WebNov 1, 2024 · There is increasing evidence that the brain encodes stimulus information in high-dimensional representational spaces based on the joint activity of neural populations ( Averbeck, Latham, and Pouget 2006; Haxby, Connolly, and Guntupalli 2014; Kriegeskorte et … WebHigh precision coding in visual cortex Stringer Lab Stringer C, Michaelos M, Pachitariu M Note: Research in this publication was not performed at Janelia. Abstract Single neurons in visual cortex provide unreliable measurements of visual features due to …

WebHigh precision coding: How the visual cortex processes information about the world By Dominic Burrows Dr. Carsen Stringer, of Howard Hughes Medical Institute, gave a seminar …

WebSep 6, 2007 · This remarkable precision at millisecond timescales has been observed in the retina 2,7, the lateral geniculate nucleus (LGN) 5,6 and the visual cortex 1,3,10 as well as in many other sensory ... sb ch3coo 3WebApr 8, 2024 · An open, large-scale physiological survey of neural activity in the awake mouse visual cortex: the Allen Brain Observatory Visual Coding dataset is reported, revealing … scandale theranosWebNov 5, 2024 · Here we used the mouse primary visual cortex (V1) as a model system to examine how food restriction affects information coding and energy consumption in cortical networks. We assessed neuronal activity and ATP consumption using whole-cell patch-clamp recordings and two-photon imaging of V1 layer 2/3 excitatory neurons in awake, … sb challenges wattpadWebFeb 8, 2024 · The high precision of bottom-up sensory representations in early visual areas like V1 makes these areas potentially ideal targets for supporting equally precise top-down attentional modulations. sb chemiaWebMay 13, 2024 · Abstract. Individual neurons in visual cortex provide the brain with unreliable estimates of visual features. It is not known whether the single-neuron variability is … scandale tibo inshapeWebThe proposition, that there exists a context dependent population of neurons which at the same time processes segregated features of the visual scene seems contradictory to us. Furthermore, the complex properties of cells discussed here suggest that the neural population code in early visual cortex is high dimensional. scandale twitchWebApr 11, 2016 · Using high-resolution fMRI and multivariate pattern analysis, the authors find that such predictive coding in early visual cortex could arise from pattern completion in … sb biergarten on 11 anacapa street