ArticleCerebral cortex (New York, N.Y. : 1991)2021
Temporal Encoding is Required for Categorization, But Not Discrimination.
Article in Cerebral cortex (New York, N.Y. : 1991), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed.
- Family identity is represented within vocal categories by the gerbil auditory cortex.Current biology : CB · 2026Article
- Hierarchical transformations in sound envelope encoding differ across cortical layers.Cerebral cortex (New York, N.Y. : 1991) · 2026Article
- Auditory perceptual expertise: Amplitude modulation rate discrimination near the threshold for detection.bioRxiv : the preprint server for biology · 2026Article
- Interareal and interlaminar differences in sound envelope encoding in core and parabelt auditory cortex.bioRxiv : the preprint server for biology · 2025Article
- Precise spike-timing information in the brainstem is well aligned with the needs of communication and the perception of environmental sounds.PLoS biology · 2025Article
- The cingulate cortex facilitates auditory perception under challenging listening conditions.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Article
- A spatial code for temporal information is necessary for efficient sensory learning.Science advances · 2025Article
- Article
- Unsupervised discovery of family specific vocal usage in the Mongolian gerbil.bioRxiv : the preprint server for biology · 2024Article
- Hierarchical differences in the encoding of amplitude modulation in the subcortical auditory system of awake nonhuman primates.Journal of neurophysiology · 2024Article
- Organization of orbitofrontal-auditory pathways in the Mongolian gerbil.The Journal of comparative neurology · 2023Article
- Sensory cortex plasticity supports auditory social learning.Nature communications · 2023Article
- Parvalbumin neurons enhance temporal coding and reduce cortical noise in complex auditory scenes.Communications biology · 2023Article
- What Is the Benefit of Ramped Pulse Shapes for Activating Auditory Cortex Neurons? An Electrophysiological Study in an Animal Model of Cochlear Implant.Brain sciences · 2023Article
- Superior semicircular canal dehiscence and subsequent closure induces reversible impaired decision-making.Frontiers in neurology · 2023Article
- Distinct neuronal types contribute to hybrid temporal encoding strategies in primate auditory cortex.PLoS biology · 2022Article
- Memory Specific to Temporal Features of Sound Is Formed by Cue-Selective Enhancements in Temporal Coding Enabled by Inhibition of an Epigenetic Regulator.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2021Article
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2 authors.
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Abstract
Core auditory cortex (AC) neurons encode slow fluctuations of acoustic stimuli with temporally patterned activity. However, whether temporal encoding is necessary to explain auditory perceptual skills remains uncertain. Here, we recorded from gerbil AC neurons while they discriminated between a 4-Hz amplitude modulation (AM) broadband noise and AM rates >4 Hz. We found a proportion of neurons possessed neural thresholds based on spike pattern or spike count that were better than the recorded session's behavioral threshold, suggesting that spike count could provide sufficient information for this perceptual task. A population decoder that relied on temporal information outperformed a decoder that relied on spike count alone, but the spike count decoder still remained sufficient to explain average behavioral performance. This leaves open the possibility that more demanding perceptual judgments require temporal information. Thus, we asked whether accurate classification of different AM rates between 4 and 12 Hz required the information contained in AC temporal discharge patterns. Indeed, accurate classification of these AM stimuli depended on the inclusion of temporal information rather than spike count alone. Overall, our results compare two different representations of time-varying acoustic features that can be accessed by downstream circuits required for perceptual judgments.
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