Rhythmic facilitation of sensory processing: A critical review

Haegens, Saskia; Golumbic, Elana Zion

doi:10.1016/j.neubiorev.2017.12.002

Cited by 305 publications

(366 citation statements)

References 235 publications

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“…Hickok, Farahbod, & Saberi, 2015;Kösem et al, 2018). Similar evidence for an involvement of endogenous oscillatory activity in the field of "entrainment" has been recently summarized elsewhere (Haegens & Zion Golumbic, 2018;Zoefel, ten Oever, & Sack, 2018).…”

Section: Limitations and Future Directionssupporting

confidence: 55%

Perception of rhythmic speech is modulated by focal bilateral tACS

Zoefel¹,

Allard²,

Anil³

et al. 2019

Preprint

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Several recent studies have used transcranial alternating stimulation (tACS) to demonstrate a causal role of neural oscillatory activity in speech processing. In particular, it has been shown that the ability to understand speech in a multi-speaker scenario or background noise depends on the timing of speech presentation relative to simultaneously applied tACS. However, it is possible that tACS did not change actual speech perception but rather auditory stream segregation. In this study, we tested whether the phase relation between tACS and the rhythm of degraded words, presented in silence, modulates word report accuracy. We found strong evidence for a tACS-induced modulation of speech perception, but only if the stimulation was applied bilaterally using ring electrodes (not for unilateral left hemisphere stimulation with square electrodes). These results were only obtained when data was analyzed using a statistical approach that was identified as optimal in a previous simulation study. The effect was driven by a phasic disruption of word report scores. Our results suggest a causal role of neural entrainment for speech perception and emphasize the importance of optimizing stimulation protocols and statistical approaches for brain stimulation research.

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Section: Limitations and Future Directionssupporting

confidence: 55%

Perception of rhythmic speech is modulated by focal bilateral tACS

Zoefel¹,

Allard²,

Anil³

et al. 2019

Preprint

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show abstract

“…Both P1 and N1 responses to expected events were attenuated, in line with theories about predictive processing, and explained by assuming that the brain only processes input that is not predicted (Friston, 2005;Schröger, Marzecová, et al, 2015). Effects of beat-based expectations are often explained by entrainment models and DAT, which assume increases in sensory gain at expected time points (Henry & Herrmann, 2014;Large & Jones, 1999), leading to enhanced, rather than attenuated sensory responses (Haegens & Zion Golumbic, 2018). Our results, however, do not show enhanced auditory responses due to beat-based expectations.…”

Section: Discussionmentioning

confidence: 63%

“…Being able to not only predict the content of sensory input ("what"), but also its timing ("when") allows the system to prepare for and focus on time points when useful information is likely to occur (Large & Jones, 1999;Nobre & van Ede, 2018). Indeed, temporal expectations have been shown to improve processing of events at expected time points (Haegens & Zion Golumbic, 2018;Henry & Obleser, 2012;Nobre & van Ede, 2018;Rohenkohl, Cravo, Wyart, & Nobre, 2012;ten Oever, Schroeder, Poeppel, van Atteveldt, & Zion-Golumbic, 2014).…”

mentioning

confidence: 99%

Beat-based and memory-based temporal expectations in rhythm: similar perceptual effects, different underlying mechanisms

Bouwer

Honing

Slagter

2019

Preprint

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Predicting the timing of incoming information allows the brain to optimize information processing in dynamic environments. Behaviorally, temporal expectations have been shown to facilitate processing of events at expected time points, such as sounds that coincide with the beat in musical rhythm. Yet, temporal expectations can develop based on different forms of structure in the environment, not just the regularity afforded by a musical beat. Little is still known about how different types of temporal expectations are neurally implemented and affect performance. Here, we orthogonally manipulated the periodicity and predictability of rhythmic sequences to examine the mechanisms underlying beat-based and memory-based temporal expectations, respectively. Behaviorally and using EEG, we looked at the effects of beat-based and memory-based expectations on auditory processing when rhythms were task relevant or task irrelevant. At expected time points, both beat-based and memory-based expectations facilitated target detection and led to attenuation of P1 and N1 responses, even when expectations were task-irrelevant (unattended). For beat-based expectations, we additionally found reduced target detection and enhanced N1 responses for events at unexpected time points (e.g., off-beat), regardless of the presence of memory-based expectations or task relevance. This latter finding supports the notion that periodicity selectively induces rhythmic fluctuations in neural excitability and furthermore indicates that while beat-based and memory-based expectations may similarly affect auditory processing of expected events, their underlying neural mechanisms may be different.

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“…We present a detailed and comprehensive cortical map of how the brain tracks quasi-rhythmic temporal dynamics of visual input. Crucially, this map elucidates how different parts of visual cortex contribute to the processing of continuous dynamic stimuli that possess a higher degree of ecological validity than static transient or strictly rhythmic stimulation (Blake & Lee, 2005;Haegens & Zion Golumbic, 2018).…”

Section: Tracking Of Quasi-rhythmic Temporal Dynamics Along the Visuamentioning

confidence: 98%

“…In our natural environment however, we mostly face more irregular and less predictable events and generalizing results from studies using strictly rhythmic stimulation to explain natural vision could be misleading (Blake & Lee, 2005;Haegens & Zion Golumbic, 2018). Recent research has therefore acknowledged the importance of temporal structure that carries only limited temporal regularity and can thus be considered quasi-rhythmic.…”

Section: Introductionmentioning

confidence: 99%

Spatial attention enhances cortical tracking of quasi-rhythmic visual stimuli

Tabarelli

Keitel

Groß

et al. 2019

Preprint

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Successfully interpreting and navigating our natural visual environment requires us to track its dynamics constantly. Additionally, we focus our attention on behaviorally relevant stimuli to enhance their neural processing. Little is known, however, about how sustained attention affects the ongoing tracking of stimuli with rich natural temporal dynamics. Here, we used MRI-informed source reconstructions of magnetoencephalography (MEG) data to map to what extent various cortical areas track concurrent continuous quasi-rhythmic visual stimulation. Further, we tested how top-down visuo-spatial attention influences this tracking process. Our bilaterally presented quasi-rhythmic stimuli covered a dynamic range of 4 -20Hz, subdivided into three distinct bands. As an experimental control, we also included strictly rhythmic stimulation (10 vs 12 Hz). Using a spectral measure of brain-stimulus coupling, we were able to track the neural processing of left vs. right stimuli independently, even while fluctuating within the same frequency range. The fidelity of neural tracking depended on the stimulation frequencies, decreasing for higher frequency bands. Both attended and non-attended stimuli were tracked beyond early visual cortices, in ventral and dorsal streams depending on the stimulus frequency. In general, tracking improved with the deployment of visuo-spatial attention to the stimulus location. Our results provide new insights into how human visual cortices process concurrent dynamic stimuli and provide a potential mechanism -namely increasing the temporal precision of tracking -for boosting the neural representation of attended input.

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Rhythmic facilitation of sensory processing: A critical review

Cited by 305 publications

References 235 publications

Perception of rhythmic speech is modulated by focal bilateral tACS

Perception of rhythmic speech is modulated by focal bilateral tACS

Beat-based and memory-based temporal expectations in rhythm: similar perceptual effects, different underlying mechanisms

Spatial attention enhances cortical tracking of quasi-rhythmic visual stimuli

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