An emergent population code in primary auditory cortex supports selective attention to spectral and temporal sound features

JD Downer, JR Verhein, BC Rapone… - Journal of …, 2021 - Soc Neuroscience
Textbook descriptions of primary sensory cortex (PSC) revolve around single neurons'
representation of low-dimensional sensory features, such as visual object orientation in …

Differential modulation of cortical codes for sounds of varying intensity by distinct inhibitory neurons

M Tobin, J Sheth, KC Wood, EK Michel, MN Geffen - bioRxiv, 2023 - biorxiv.org
Cortical circuits contain multiple types of inhibitory neurons which shape how information is
processed within neuronal networks. Here, we asked whether somatostatin-expressing …

Contextual modulation of sound processing in the auditory cortex

C Angeloni, MN Geffen - Current opinion in neurobiology, 2018 - Elsevier
Highlights•The responses of neurons in the auditory cortex (AC) to complex sounds cannot
be predicted based on their responses to tones.•AC tone-evoked responses are shaped by …

Encoding of natural sounds at multiple spectral and temporal resolutions in the human auditory cortex

R Santoro, M Moerel, F De Martino… - PLoS computational …, 2014 - journals.plos.org
Functional neuroimaging research provides detailed observations of the response patterns
that natural sounds (eg human voices and speech, animal cries, environmental sounds) …

Information diversity in individual auditory cortical neurons is associated with functionally distinct coordinated neuronal ensembles

JZ See, NY Homma, CA Atencio, VS Sohal… - Scientific reports, 2021 - nature.com
Neuronal activity in auditory cortex is often highly synchronous between neighboring
neurons. Such coordinated activity is thought to be crucial for information processing. We …

[HTML][HTML] A sparse code for natural sound context in auditory cortex

ML Espejo, SV David - Current Research in Neurobiology, 2024 - Elsevier
Accurate sound perception can require integrating information over hundreds of
milliseconds or even seconds. Spectro-temporal models of sound coding by single neurons …

Selective effects of arousal on population coding of natural sounds in auditory cortex

CR Heller, ZP Schwartz, D Saderi, SV David - BioRxiv, 2020 - biorxiv.org
The ability to discriminate between complex natural sounds is critical for survival. Changes
in arousal and other aspects of behavioral state can impact the accuracy of sensory coding …

Feature-selective attention adaptively shifts noise correlations in primary auditory cortex

JD Downer, B Rapone, J Verhein… - Journal of …, 2017 - Soc Neuroscience
Sensory environments often contain an overwhelming amount of information, with both
relevant and irrelevant information competing for neural resources. Feature attention …

[HTML][HTML] Localist versus distributed representation of sounds in the auditory cortex controlled by distinct inhibitory neuronal subtypes

M Tobin, J Sheth, KC Wood, MN Geffen - bioRxiv, 2023 - ncbi.nlm.nih.gov
Cortical neuronal populations can use a multitude of codes to represent information, each
with different advantages and trade-offs. The auditory cortex represents sounds via a sparse …

Hierarchical differences in population coding within auditory cortex

JD Downer, M Niwa, ML Sutter - Journal of …, 2017 - journals.physiology.org
Most models of auditory cortical (AC) population coding have focused on primary auditory
cortex (A1). Thus our understanding of how neural coding for sounds progresses along the …