A robust and compact population code for competing sounds in auditory cortex

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Respiratory entrainment of units in the mouse parietal cortex depends on vigilance state

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Summary: The interactions between respiratory rhythms and internal brain oscillations have important modulatory effects on neurons, but their impacts vary across different behavioral states.

PFLUGERS ARCHIV-EUROPEAN JOURNAL OF PHYSIOLOGY (2023)

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Article Biology

Parvalbumin neurons enhance temporal coding and reduce cortical noise in complex auditory scenes

Jian Carlo Nocon et al.

Summary: By studying the auditory cortex of mice, it is found that parvalbumin neurons play a critical role in encoding complex scenes through timing-based coding, improving the cortex's ability to process dynamic stimuli and reducing cortical noise, thereby enhancing the representation of dynamic stimuli in complex scenes.

COMMUNICATIONS BIOLOGY (2023)

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Article Neurosciences

Correlates of Auditory Decision-Making in Prefrontal, Auditory, and Basal Lateral Amygdala Cortical Areas

Julia L. Napoli et al.

Summary: The study found that in a spatial selective listening task, primary auditory cortex (AC) encoded the cue and target characteristics before the dorsolateral prefrontal cortex (dlPFC) and the basolateral amygdala (BLA), and also encoded the monkey's choice at an earlier stage. The similarity between AC and dlPFC responses was eliminated during passive sensory stimulation, suggesting that the strong sensory encoding in dlPFC is contextually gated. The study suggests that unlike in the visual domain, the BLA does not appear to be robustly involved in selective spatial processing in this auditory task.

JOURNAL OF NEUROSCIENCE (2021)

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Article Biology

Network dynamics underlying OFF responses in the auditory cortex

Giulio Bondanelli et al.

Summary: The study found that neural activity generates complex spatio-temporal patterns following the onset and offset of stimuli, especially in understanding the mechanisms generating OFF responses in cortical areas and recurrent interactions at the network level. By comparing single-cell and network models, it was revealed that the network model better explained the structural features of population responses.

ELIFE (2021)

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Article Neurosciences

Temporally precise population coding of dynamic sounds by auditory cortex

Joshua D. Downer et al.

Summary: Population responses to amplitude modulation (AM) in the primary auditory cortex (A1) have been modeled and evaluated, showing that a simple population-based decoding model involving unweighted convergence of neuronal responses can accurately classify AM frequencies. This suggests that dynamic rate coding in auditory cortex is influenced by shared modulation phase preferences among cortical neurons. These findings emphasize the importance of population-based synchrony in sensory coding.

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Hidden Hearing Loss Impacts the Neural Representation of Speech in Background Noise

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CURRENT BIOLOGY (2020)

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Sparse Representation in Awake Auditory Cortex: Cell-type Dependence, Synaptic Mechanisms, Developmental Emergence, and Modulation

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CEREBRAL CORTEX (2019)

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Weighting neurons by selectivity produces near-optimal population codes

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Muscarinic receptors regulate auditory and prefrontal cortical communication during auditory processing

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Amplitude modulation coding in awake mice and squirrel monkeys

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JOURNAL OF NEUROPHYSIOLOGY (2018)

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Visual Information Present in Infragranular Layers of Mouse Auditory Cortex

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Which spike train distance is most suitable for distinguishing rate and temporal coding?

Eero Satuvuori et al.

JOURNAL OF NEUROSCIENCE METHODS (2018)

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Using spike train distances to identify the most discriminative neuronal subpopulation

Eero Satuvuori et al.

JOURNAL OF NEUROSCIENCE METHODS (2018)

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Latent Factors and Dynamics in Motor Cortex and Their Application to Brain-Machine Interfaces

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JOURNAL OF NEUROSCIENCE (2018)

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Stable population coding for working memory coexists with heterogeneous neural dynamics in prefrontal cortex

John D. Murray et al.

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2017)

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Review Neurosciences

Efficient codes and balanced networks

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NATURE NEUROSCIENCE (2016)

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Spike sorting for large, dense electrode arrays

Cyrille Rossant et al.

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Calculating mutual information for spike trains and other data with distances but no coordinates

Conor Houghton

ROYAL SOCIETY OPEN SCIENCE (2015)

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Differential Receptive Field Properties of Parvalbumin and Somatostatin Inhibitory Neurons in Mouse Auditory Cortex

Ling-yun Li et al.

CEREBRAL CORTEX (2015)

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Article Engineering, Biomedical

DataHigh: graphical user interface for visualizing and interacting with high-dimensional neural activity

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Monitoring spike train synchrony

Thomas Kreuz et al.

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Neural Codes Formed by Small and Temporally Precise Populations in Auditory Cortex

Robin A. A. Ince et al.

JOURNAL OF NEUROSCIENCE (2013)

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Distinct behavioural and network correlates of two interneuron types in prefrontal cortex

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NATURE (2013)

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Sparse and Background-Invariant Coding of Vocalizations in Auditory Scenes

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NEURON (2013)

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Neuronal Circuits Underlying Persistent Representations Despite Time Varying Activity

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CURRENT BIOLOGY (2012)

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Neural population dynamics during reaching

Mark M. Churchland et al.

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Competing Sound Sources Reveal Spatial Effects in Cortical Processing

Ross K. Maddox et al.

PLOS BIOLOGY (2012)

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Editorial Material Biochemistry & Molecular Biology

The cocktail party problem

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CURRENT BIOLOGY (2009)

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Invariance and sensitivity to intensity in neural discrimination of natural sounds

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Sparse representation of sounds in the unanesthetized auditory cortex

Tomas Hromadka et al.

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Cortical interference effects in the cocktail party problem

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Cortical discrimination of complex natural stimuli:: Can single neurons match behavior?

Le Wang et al.

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Spatial unmasking of birdsong in human listeners: Energetic and informational factors

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Sustained firing in auditory cortex evoked by preferred stimuli

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Quantitative measures of cluster quality for use in extracellular recordings

N Schmitzer-Torbert et al.

NEUROSCIENCE (2005)

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The benefit of binaural hearing in a cocktail party: Effect of location and type of interferer

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JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA (2004)

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Estimating mutual information -: art. no. 066138

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PHYSICAL REVIEW E (2004)

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Neural coding of spatial phase in V1 of the macaque monkey

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Flutter discrimination: Neural codes, perception, memory and decision making

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Binless strategies for estimation of information from neural data

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A robust and compact population code for competing sounds in auditory cortex

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