Rapid temporal recalibration occurs crossmodally without stimulus specificity but is absent unimodally

Harvey, C. Brian; Burg, Erik Van der; Alais, David

doi:10.1016/j.brainres.2014.08.028

Cited by 36 publications

(45 citation statements)

References 35 publications

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“…In cross-modal research (Alais, Newell, & Mamassian, 2010), previous studies using the intertrial adaptation paradigm with audiovisual stimuli have shown the aftereffects are comparable in magnitude to those obtained with prolonged exposure paradigms (Harvey et al, 2014;Van der Burg et al, 2013Wozny & Shams, 2011) and that the effects are even present and strong when participants passively perceive the audiovisual stimuli (Van der . Although an early report suggested that the magnitude plateaus after 12-20 s of adaptation (Kay & Matthews, 1972), two subsequent studies investigating the time-course of the aftereffect concluded that the aftereffect accrues rapidly in the first few minutes but does not saturate until 20-30 minutes (Regan & Tansley, 1979;Tansley & Suffield, 1983).…”

Section: Discussionmentioning

confidence: 81%

“…This improves efficiency as no time is lost in timeconsuming adaptation periods and every trial provides data. Moreover, as recent multisensory studies of intertrial adaptation have shown in both the spatial (Wozny & Shams, 2011) and temporal (Harvey, Van der Burg, & Alais, 2014; Van der Burg et al, 2013;Van der Burg, Orchard-Mills, & Alais, 2014) domains, adaptation effects are evident after a single brief trial. This challenges the assumption in traditional adaptation studies that prolonged exposure to an adaptor is necessary to produce reliable perceptual aftereffects.…”

Section: Introductionmentioning

confidence: 85%

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Auditory frequency perception adapts rapidly to the immediate past

Alais

Orchard-Mills

Burg

2014

Atten Percept Psychophys

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Frequency modulation is critical to human speech. Evidence from psychophysics, neurophysiology, and neuroimaging suggests that there are neuronal populations tuned to this property of speech. Consistent with this, extended exposure to frequency change produces direction specific aftereffects in frequency change detection. We show that this aftereffect occurs extremely rapidly, requiring only a single trial of just 100-ms duration. We demonstrate this using a long, randomized series of frequency sweeps (both upward and downward, by varying amounts) and analyzing intertrial adaptation effects. We show the point of constant frequency is shifted systematically towards the previous trial's sweep direction (i.e., a frequency sweep aftereffect). Furthermore, the perception of glide direction is also independently influenced by the glide presented two trials previously. The aftereffect is frequency tuned, as exposure to a frequency sweep from a set centered on 1,000 Hz does not influence a subsequent trial drawn from a set centered on 400 Hz. More generally, the rapidity of adaptation suggests the auditory system is constantly adapting and "tuning" itself to the most recent environmental conditions.

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Section: Discussionmentioning

confidence: 81%

Section: Introductionmentioning

confidence: 85%

Auditory frequency perception adapts rapidly to the immediate past

Alais

Orchard-Mills

Burg

2014

Atten Percept Psychophys

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“…The amplitude was free to vary between 0 and 1. The mean of the Gaussian was taken as the point of subjective simultaneity (PSS), and the SD was taken as a measure of the TWS [47–49, 52]. The shape of the normal distribution proved to accurately describe the reports of synchrony (mean R 2 = 0.911), and we were not able to find a significant difference in the Goodness-of-Fit across different ages (independent samples over sliding bins of 11 participants–see below–all p values > 0.12).…”

Section: Methodsmentioning

confidence: 99%

“…In other words, Van der Burg, Alais and Cass (2013) [47] found clear evidence that when participants performed a simultaneity judgment task, the PSS was contingent upon the modality order (i.e., visual first, auditory first) of the preceding trial. This rapid recalibration effect can be observed using simple audiovisual stimuli such as a flash in combination with a beep [47–49], but also for perceptually complex stimuli such as audiovisual speech [50]. …”

Section: Introductionmentioning

confidence: 99%

Audiovisual Simultaneity Judgment and Rapid Recalibration throughout the Lifespan

et al. 2016

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Multisensory interactions are well established to convey an array of perceptual and behavioral benefits. One of the key features of multisensory interactions is the temporal structure of the stimuli combined. In an effort to better characterize how temporal factors influence multisensory interactions across the lifespan, we examined audiovisual simultaneity judgment and the degree of rapid recalibration to paired audiovisual stimuli (Flash-Beep and Speech) in a sample of 220 participants ranging from 7 to 86 years of age. Results demonstrate a surprisingly protracted developmental time-course for both audiovisual simultaneity judgment and rapid recalibration, with neither reaching maturity until well into adolescence. Interestingly, correlational analyses revealed that audiovisual simultaneity judgments (i.e., the size of the audiovisual temporal window of simultaneity) and rapid recalibration significantly co-varied as a function of age. Together, our results represent the most complete description of age-related changes in audiovisual simultaneity judgments to date, as well as being the first to describe changes in the degree of rapid recalibration as a function of age. We propose that the developmental time-course of rapid recalibration scaffolds the maturation of more durable audiovisual temporal representations.

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“…Temporal recalibration has been found to generalize across different artificial stimuli, whether induced by prolonged [18,25] or brief [32] exposures. By contrast, Roseboom & Arnold [21] found that for audiovisual speech stimuli, participants concurrently maintained two different recalibrations-one with a positive shift in PSS, the other with a negative shift-when each was associated with a different actor.…”

Section: Introductionmentioning

confidence: 99%

Rapid, generalized adaptation to asynchronous audiovisual speech

Burg

Goodbourn

2015

Proc. R. Soc. B.

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The brain is adaptive. The speed of propagation through air, and of low-level sensory processing, differs markedly between auditory and visual stimuli; yet the brain can adapt to compensate for the resulting cross-modal delays. Studies investigating temporal recalibration to audiovisual speech have used prolonged adaptation procedures, suggesting that adaptation is sluggish. Here, we show that adaptation to asynchronous audiovisual speech occurs rapidly. Participants viewed a brief clip of an actor pronouncing a single syllable. The voice was either advanced or delayed relative to the corresponding lip movements, and participants were asked to make a synchrony judgement. Although we did not use an explicit adaptation procedure, we demonstrate rapid recalibration based on a single audiovisual event. We find that the point of subjective simultaneity on each trial is highly contingent upon the modality order of the preceding trial. We find compelling evidence that rapid recalibration generalizes across different stimuli, and different actors. Finally, we demonstrate that rapid recalibration occurs even when auditory and visual events clearly belong to different actors. These results suggest that rapid temporal recalibration to audiovisual speech is primarily mediated by basic temporal factors, rather than higher-order factors such as perceived simultaneity and source identity.

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Rapid temporal recalibration occurs crossmodally without stimulus specificity but is absent unimodally

Cited by 36 publications

References 35 publications

Auditory frequency perception adapts rapidly to the immediate past

Auditory frequency perception adapts rapidly to the immediate past

Audiovisual Simultaneity Judgment and Rapid Recalibration throughout the Lifespan

Rapid, generalized adaptation to asynchronous audiovisual speech

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