Visual attention mitigates information loss in small- and large-scale neural codes

Trends in Cognitive Sciences
Thomas C SpragueJohn T Serences

Abstract

The visual system transforms complex inputs into robust and parsimonious neural codes that efficiently guide behavior. Because neural communication is stochastic, the amount of encoded visual information necessarily decreases with each synapse. This constraint requires that sensory signals are processed in a manner that protects information about relevant stimuli from degradation. Such selective processing--or selective attention--is implemented via several mechanisms, including neural gain and changes in tuning properties. However, examining each of these effects in isolation obscures their joint impact on the fidelity of stimulus feature representations by large-scale population codes. Instead, large-scale activity patterns can be used to reconstruct representations of relevant and irrelevant stimuli, thereby providing a holistic understanding about how neuron-level modulations collectively impact stimulus encoding.

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Citations

Oct 16, 2015·Nature·Russell A Poldrack, Martha J Farah
Aug 19, 2016·Frontiers in Neuroscience·Mehdi Ordikhani-SeyedlarSadasivan Puthusserypady
Aug 9, 2016·Neuron·Thomas C SpragueJohn T Serences
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Mar 16, 2017·Journal of Cognitive Neuroscience·Bradley VoytekAdam Gazzaley
Jun 13, 2019·Journal of Neurophysiology·David W SuttererEdward Awh
Jul 3, 2019·Nature Neuroscience·Rosanne L RademakerJohn T Serences
Aug 10, 2019·PLoS Biology·Sirawaj ItthipuripatJohn T Serences
Jul 11, 2019·Human Brain Mapping·Tzvetan PopovOle Jensen
Feb 6, 2020·Journal of Cognitive Neuroscience·Anthony W SaliTobias Egner
Apr 21, 2018·Frontiers in Neuroscience·Tian-Jian LuoChangle Zhou
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Nov 30, 2016·Journal of Cognitive Neuroscience·Tom BullockBarry Giesbrecht
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May 26, 2018·Annual Review of Neuroscience·Douglas A RuffMarlene R Cohen
Jan 22, 2021·Journal of Cognitive Neuroscience·Andrew D SheldonBradley R Postle
Feb 4, 2021·Journal of Neurophysiology·David W SuttererGeoffrey F Woodman
Apr 26, 2019·Current Opinion in Psychology·Nuttida Rungratsameetaweemana, John T Serences
Jul 21, 2021·Journal of Neural Engineering·Hung-Yun LuSamantha R Santacruz
Aug 19, 2021·Journal of Cognitive Neuroscience·Saana M KorkkiJon S Simons

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