ArticleCerebral cortex (New York, N.Y. : 1991)2017
Gain Control in the Auditory Cortex Evoked by Changing Temporal Correlation of Sounds.
Article in Cerebral cortex (New York, N.Y. : 1991), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Dissociable Roles of the Auditory Midbrain and Cortex in Processing the Statistical Features of Natural Sound Textures.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024Article
- Dynamics of cortical contrast adaptation predict perception of signals in noise.Nature communications · 2023Article
- Hearing in Complex Environments: Auditory Gain Control, Attention, and Hearing Loss.Frontiers in neuroscience · 2022Review
- Neuronal figure-ground responses in primate primary auditory cortex.Cell reports · 2021Article
- Sparse identification of contrast gain control in the fruit fly photoreceptor and amacrine cell layer.Journal of mathematical neuroscience · 2020Article
- Mechanisms underlying gain modulation in the cortex.Nature reviews. Neuroscience · 2020Review
- Article
- A neural ensemble correlation code for sound category identification.PLoS biology · 2019Article
- Coherent Activity between the Prelimbic and Auditory Cortex in the Slow-Gamma Band Underlies Fear Discrimination.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2018Article
- Auditory midbrain coding of statistical learning that results from discontinuous sensory stimulation.PLoS biology · 2018Article
- Contextual modulation of sound processing in the auditory cortex.Current opinion in neurobiology · 2018Review
- Cortical Interneurons Differentially Shape Frequency Tuning following Adaptation.Cell reports · 2017Article
- Cell-specific gain modulation by synaptically released zinc in cortical circuits of audition.eLife · 2017Article
- Cluster-based analysis improves predictive validity of spike-triggered receptive field estimates.PloS one · 2017Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
Natural sounds exhibit statistical variation in their spectrotemporal structure. This variation is central to identification of unique environmental sounds and to vocal communication. Using limited resources, the auditory system must create a faithful representation of sounds across the full range of variation in temporal statistics. Imaging studies in humans demonstrated that the auditory cortex is sensitive to temporal correlations. However, the mechanisms by which the auditory cortex represents the spectrotemporal structure of sounds and how neuronal activity adjusts to vastly different statistics remain poorly understood. In this study, we recorded responses of neurons in the primary auditory cortex of awake rats to sounds with systematically varied temporal correlation, to determine whether and how this feature alters sound encoding. Neuronal responses adapted to changing stimulus temporal correlation. This adaptation was mediated by a change in the firing rate gain of neuronal responses rather than their spectrotemporal properties. This gain adaptation allowed neurons to maintain similar firing rates across stimuli with different statistics, preserving their ability to efficiently encode temporal modulation. This dynamic gain control mechanism may underlie comprehension of vocalizations and other natural sounds under different contexts, subject to distortions in temporal correlation structure via stretching or compression.
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