The role of predictive models in the formation of auditory streams

Denham, Susan; Winkler, István

doi:10.1016/j.jphysparis.2006.09.012

Cited by 138 publications

(146 citation statements)

References 76 publications

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“…If the frequency separation is less than a (smaller) critical value, called the fission boundary (FB [2]), a single stream is usually heard, even when the subject is instructed to try to hear two streams. However, even for very small or very large frequency separations, the percept may flip if the sequence is presented for a long time [3,17]. In other words, bistability occurs.…”

Section: The Build-up Resetting and Decay Of Stream Segregation (A)mentioning

confidence: 99%

Properties of auditory stream formation

Moore

Gockel

2012

Phil. Trans. R. Soc. B

194

179

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A sequence of sounds may be heard as coming from a single source (called fusion or coherence) or from two or more sources (called fission or stream segregation). Each perceived source is called a ‘stream’. When the differences between successive sounds are very large, fission nearly always occurs, whereas when the differences are very small, fusion nearly always occurs. When the differences are intermediate in size, the percept often ‘flips’ between one stream and multiple streams, a property called ‘bistability’. The flips do not generally occur regularly in time. The tendency to hear two streams builds up over time, but can be partially or completely reset by a sudden change in the properties of the sequence or by switches in attention. Stream formation depends partly on the extent to which successive sounds excite different ‘channels’ in the peripheral auditory system. However, other factors can play a strong role; multiple streams may be heard when successive sounds are presented to the same ear and have essentially identical excitation patterns in the cochlea. Differences between successive sounds in temporal envelope, fundamental frequency, phase spectrum and lateralization can all induce a percept of multiple streams. Regularities in the temporal pattern of elements within a stream can help in stabilizing that stream.

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Section: The Build-up Resetting and Decay Of Stream Segregation (A)mentioning

confidence: 99%

Properties of auditory stream formation

Moore

Gockel

2012

Phil. Trans. R. Soc. B

194

179

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“…The second binding principle, based on predictability, was introduced by Jones [41] and has received further attention recently [1,33]. It rests on the assumption that sound events are bound together across time if the system detects predictive relations between them.…”

Section: Review Multistability In Auditory Streaming I Winkler Et Amentioning

confidence: 99%

“…Note that there may be even more ways of perceiving this stimulus sequence [33,51]. Yet conceiving, the Segregated organization as one of the competitors already reveals a complication with this account: it implies that the percepts 'repetition of A' and 'repetition of B' always come as a pair.…”

Section: Multi-stable Perception Through Competitionmentioning

confidence: 99%

Multistability in auditory stream segregation: a predictive coding view

Winkler

Denham

Mill

et al. 2012

Phil. Trans. R. Soc. B

108

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Auditory stream segregation involves linking temporally separate acoustic events into one or more coherent sequences. For any non-trivial sequence of sounds, many alternative descriptions can be formed, only one or very few of which emerge in awareness at any time. Evidence from studies showing bi-/multistability in auditory streaming suggest that some, perhaps many of the alternative descriptions are represented in the brain in parallel and that they continuously vie for conscious perception. Here, based on a predictive coding view, we consider the nature of these sound representations and how they compete with each other. Predictive processing helps to maintain perceptual stability by signalling the continuation of previously established patterns as well as the emergence of new sound sources. It also provides a measure of how well each of the competing representations describes the current acoustic scene. This account of auditory stream segregation has been tested on perceptual data obtained in the auditory streaming paradigm.

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“…Yet recently, the idea that the auditory system works in a prospective, predictive manner has attracted much interest (Winkler et al, 1996;Nää-tänen and Winkler, 1999;Baldeweg, 2006;Denham and Winkler, 2006;Zanto et al, 2006;Grimm and Schröger, 2007;Schröger, 2007;Winkler, 2007;Dubnov, 2008). Current theories suggest that the auditory system constantly predicts what will come next in a sequence of tones.…”

Section: Introductionmentioning

confidence: 99%

I Heard That Coming: Event-Related Potential Evidence for Stimulus-Driven Prediction in the Auditory System

Bendixen

Schröger

Winkler³

2009

Journal of Neuroscience

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193

154

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The auditory system has been shown to detect predictability in a tone sequence, but does it use the extracted regularities for actually predicting the continuation of the sequence? The present study sought to find evidence for the generation of such predictions. Predictability was manipulated in an isochronous series of tones in which every other tone was a repetition of its predecessor. The existence of predictions was probed by occasionally omitting either the first (unpredictable) or the second (predictable) tone of a same-frequency tone pair. Event-related electrical brain activity elicited by the omission of an unpredictable tone differed from the response to the actual tone right from the tone onset. In contrast, early electrical brain activity elicited by the omission of a predictable tone was quite similar to the response to the actual tone. This suggests that the auditory system preactivates the neural circuits for expected input, using sequential predictions to specifically prepare for future acoustic events.

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The role of predictive models in the formation of auditory streams

Cited by 138 publications

References 76 publications

Properties of auditory stream formation

Properties of auditory stream formation

Multistability in auditory stream segregation: a predictive coding view

I Heard That Coming: Event-Related Potential Evidence for Stimulus-Driven Prediction in the Auditory System

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