نتایج جستجو برای: auditory input enhancement

تعداد نتایج: 412879  

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2013
Elana Zion Golumbic Gregory B Cogan Charles E Schroeder David Poeppel

Our ability to selectively attend to one auditory signal amid competing input streams, epitomized by the "Cocktail Party" problem, continues to stimulate research from various approaches. How this demanding perceptual feat is achieved from a neural systems perspective remains unclear and controversial. It is well established that neural responses to attended stimuli are enhanced compared with r...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2007
Melissa J Coleman Arani Roy J Martin Wild Richard Mooney

In songbirds, nucleus Uvaeformis (Uva) is the sole thalamic input to the telencephalic nucleus HVC (used as a proper name), a sensorimotor structure essential to learned song production that also exhibits state-dependent responses to auditory presentation of the bird's own song (BOS). The role of Uva in influencing HVC auditory activity is unknown. Using in vivo extracellular and intracellular ...

2008
ZHAOHONG HAN EUN SUNG PARK CHARLES COMBS

The input enhancement hypothesis proposed by Sharwood Smith (1991, 1993) has stimulated considerable research over the last 15 years. This article reviews the research on textual enhancement of input (TE), an area where the majority of input enhancement studies have aggregated. Methodological idiosyncrasies are the norm of this body of research. Seven major issues appear to be limiting the gene...

2005
Ben Torben-Nielsen Barbara Webb Richard E. Reeve

Cricket females perform phonotaxis towards the specific sounds produced by male crickets. By means of a well-tuned peripheral auditory system the cricket is able to extract directional information about the sound, and the neural system can recognize the species specific characteristics of the song. Crickets use sounds coming from at least four body openings to derive the directional signal. A n...

Journal: :Cerebral cortex 2010
Stefan Schadwinkel Alexander Gutschalk

Streaming is a perceptual mechanism by which the brain segregates information from multiple sound sources in our environment and assigns them to distinct auditory streams. Examples for streaming cues are differences in frequency spectrum, pitch, or space, and potential neural correlates for streaming based on spectral and pitch cues have been identified in the auditory cortex. Here, magnetoence...

2011
Ingrid K. Christoffels Vincent van de Ven Lourens J. Waldorp Elia Formisano Niels O. Schiller

When we speak, we provide ourselves with auditory speech input. Efficient monitoring of speech is often hypothesized to depend on matching the predicted sensory consequences from internal motor commands (forward model) with actual sensory feedback. In this paper we tested the forward model hypothesis using functional Magnetic Resonance Imaging. We administered an overt picture naming task in wh...

Journal: :PLoS ONE 2008
An Li Wang André Mouraux Meng Liang Gian Domenico Iannetti

BACKGROUND A paradoxical enhancement of the magnitude of the N1 wave of the auditory event-related potential (ERP) has been described when auditory stimuli are presented at very short (< 400 ms) inter-stimulus intervals (ISI). Here, we examined whether this enhancement is specific for the auditory system, or whether it also affects ERPs elicited by stimuli belonging to other sensory modalities....

2005
Victor Chung Nicole Mirante Jolien Otten Eric Vatikiotis-Bateson

Perception results are presented that address the role of Lombard speech in auditory and audiovisual speech perception. Basically, visual enhancement neutralizes the advantage of Lombard speech observed for auditory perception. It remains an open question whether or not Lombard speech is preferable for perception studies of speech in noise.

2016
Patrice Voss Maryse Thomas You Chien Chou José Miguel Cisneros-Franco Lydia Ouellet Etienne de Villers-Sidani

We used the rat primary auditory cortex (A1) as a model to probe the effects of cholinergic enhancement on perceptual learning and auditory processing mechanisms in both young and old animals. Rats learned to perform a two-tone frequency discrimination task over the course of two weeks, combined with either the administration of a cholinesterase inhibitor or saline. We found that while both age...

2012
Andrew Dewald Scott Sinnett

Task-irrelevant stimuli are later recognized at enhanced levels providing that they had previously appeared with a taskrelevant target (Dewald & Sinnett, submitted; Seitz & Watanabe, 2003, 2005). The present investigation explores this notion in the auditory sensory modality. Participants listened to a stream of auditory sounds and spoken words with the instruction to detect repetitions in only...

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