Somatostatin-expressing interneurons in the auditory cortex mediate sustained suppression by spectral surround

AA Lakunina, MB Nardoci, Y Ahmadian… - Journal of …, 2020 - Soc Neuroscience
Sensory systems integrate multiple stimulus features to generate coherent percepts.
Spectral surround suppression, the phenomenon by which sound-evoked responses of …

Task engagement selectively modulates neural correlations in primary auditory cortex

JD Downer, M Niwa, ML Sutter - Journal of Neuroscience, 2015 - Soc Neuroscience
Noise correlations (rnoise) between neurons can affect a neural population's discrimination
capacity, even without changes in mean firing rates of neurons. rnoise, the degree to which …

Active engagement improves primary auditory cortical neurons' ability to discriminate temporal modulation

M Niwa, JS Johnson, KN O'Connor… - Journal of …, 2012 - Soc Neuroscience
The effect of attention on single neuron responses in the auditory system is unresolved. We
found that when monkeys discriminated temporally amplitude modulated (AM) from …

Activity related to perceptual judgment and action in primary auditory cortex

M Niwa, JS Johnson, KN O'Connor… - Journal of …, 2012 - Soc Neuroscience
Recent evidence is reshaping the view of primary auditory cortex (A1) from a unisensory
area to one more involved in dynamically integrating multisensory-and task-related …

The topography of frequency and time representation in primate auditory cortices

S Baumann, O Joly, A Rees, CI Petkov, L Sun, A Thiele… - elife, 2015 - elifesciences.org
Natural sounds can be characterised by their spectral content and temporal modulation, but
how the brain is organized to analyse these two critical sound dimensions remains …

A multistream feature framework based on bandpass modulation filtering for robust speech recognition

SK Nemala, K Patil, M Elhilali - IEEE transactions on audio …, 2012 - ieeexplore.ieee.org
There is strong neurophysiological evidence suggesting that processing of speech signals
in the brain happens along parallel paths which encode complementary information in the …

Contributions of distinct auditory cortical inhibitory neuron types to the detection of sounds in background noise

AA Lakunina, N Menashe, S Jaramillo - eneuro, 2022 - eneuro.org
The ability to separate background noise from relevant acoustic signals is essential for
appropriate sound-driven behavior in natural environments. Examples of this separation are …

Neural spike-timing patterns vary with sound shape and periodicity in three auditory cortical fields

CM Lee, AF Osman, M Volgushev… - Journal of …, 2016 - journals.physiology.org
Mammals perceive a wide range of temporal cues in natural sounds, and the auditory cortex
is essential for their detection and discrimination. The rat primary (A1), ventral (VAF), and …

Hierarchical effects of task engagement on amplitude modulation encoding in auditory cortex

M Niwa, KN O'Connor, E Engall… - Journal of …, 2015 - journals.physiology.org
We recorded from middle lateral belt (ML) and primary (A1) auditory cortical neurons while
animals discriminated amplitude-modulated (AM) sounds and also while they sat passively …

Reversible Inactivation of Ferret Auditory Cortex Impairs Spatial and Nonspatial Hearing

SM Town, KC Poole, KC Wood… - Journal of …, 2023 - Soc Neuroscience
A key question in auditory neuroscience is to what extent are brain regions functionally
specialized for processing specific sound features, such as location and identity. In auditory …