Coding of amplitude modulation in primary auditory cortex

P Yin, JS Johnson, KN O'Connor… - Journal of …, 2011 - journals.physiology.org
Conflicting results have led to different views about how temporal modulation is encoded in
primary auditory cortex (A1). Some studies find a substantial population of neurons that …

Ability of primary auditory cortical neurons to detect amplitude modulation with rate and temporal codes: neurometric analysis

JS Johnson, P Yin, KN O'Connor… - Journal of …, 2012 - journals.physiology.org
Amplitude modulation (AM) is a common feature of natural sounds, and its detection is
biologically important. Even though most sounds are not fully modulated, the majority of …

Temporally precise population coding of dynamic sounds by auditory cortex

JD Downer, J Bigelow, MJ Runfeldt… - Journal of …, 2021 - journals.physiology.org
Fluctuations in the amplitude envelope of complex sounds provide critical cues for hearing,
particularly for speech and animal vocalizations. Responses to amplitude modulation (AM) …

Dynamic amplitude coding in the auditory cortex of awake rhesus macaques

BJ Malone, BH Scott… - Journal of …, 2007 - journals.physiology.org
In many animals, the information most important for processing communication sounds,
including speech, consists of temporal envelope cues below∼ 20 Hz. Physiological studies …

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 …

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 …

Neural processing of amplitude-modulated sounds

PX Joris, CE Schreiner, A Rees - Physiological reviews, 2004 - journals.physiology.org
Joris, PX, CE Schreiner, and A. Rees. Neural Processing of Amplitude-Modulated Sounds.
Physiol Rev 84: 541–577, 2004; 10.1152/physrev. 00029.2003.—Amplitude modulation …

The representation of amplitude modulations in the mammalian auditory midbrain

B Krebs, NA Lesica, B Grothe - Journal of neurophysiology, 2008 - journals.physiology.org
Temporal modulations in stimulus amplitude are essential for recognizing and categorizing
behaviorally relevant acoustic signals such as speech. Despite this behavioral importance, it …

Encoding of amplitude modulation in the gerbil cochlear nucleus: I. A hierarchy of enhancement

RD Frisina, RL Smith, SC Chamberlain - Hearing research, 1990 - Elsevier
The main goal of the present study was to investigate the encoding of a biologically-relevant
acoustic feature—amplitude modulation (AM)—in single neurons of the auditory nerve and …

A neural circuit transforming temporal periodicity information into a rate-based representation in the mammalian auditory system

U Dicke, SD Ewert, T Dau, B Kollmeier - The Journal of the Acoustical …, 2007 - pubs.aip.org
Periodic amplitude modulations (AMs) of an acoustic stimulus are presumed to be encoded
in temporal activity patterns of neurons in the cochlear nucleus. Physiological recordings …