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  Spatial attention and temporal expectation exert differential effects on visual and auditory discrimination

Wilsch, A., Mercier, M. R., Obleser, J., Schroeder, C. E., & Haegens, S. (2020). Spatial attention and temporal expectation exert differential effects on visual and auditory discrimination. Journal of Cognitive Neuroscience, 32(8), 1562-1576. doi:10.1162/jocn_a_01567.

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 Creators:
Wilsch, Anna1, Author
Mercier, Manuel R.2, 3, Author
Obleser, Jonas4, 5, Author              
Schroeder, Charles E.6, 7, Author
Haegens, Saskia6, 8, Author
Affiliations:
1New York University, NY, USA, ou_persistent22              
2University Paul Sabatier, Toulouse, France, ou_persistent22              
3Institut de Neurosciences des Systèmes, Aix-Marseille Université Faculté de Médecine, France, ou_persistent22              
4University of Lübeck, Germany, ou_persistent22              
5Max Planck Research Group Auditory Cognition, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_751545              
6Columbia University College of Physicians and Surgeons, New York, NY, USA, ou_persistent22              
7Nathan S. Kline Institute for Psychiatric Research, Orangeburg, NY, USA, ou_persistent22              
8Radboud University, Nijmegen, the Netherlands, ou_persistent22              

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 Abstract: Anticipation of an impending stimulus shapes the state of the sensory systems, optimizing neural and behavioral responses. Here, we studied the role of brain oscillations in mediating spatial and temporal anticipations. Because spatial attention and temporal expectation are often associated with visual and auditory processing, respectively, we directly contrasted the visual and auditory modalities and asked whether these anticipatory mechanisms are similar in both domains. We recorded the magnetoencephalogram in healthy human participants performing an auditory and visual target discrimination task, in which cross-modal cues provided both temporal and spatial information with regard to upcoming stimulus presentation. Motivated by prior findings, we were specifically interested in delta (1-3 Hz) and alpha (8-13 Hz) band oscillatory state in anticipation of target presentation and their impact on task performance. Our findings support the view that spatial attention has a stronger effect in the visual domain, whereas temporal expectation effects are more prominent in the auditory domain. For the spatial attention manipulation, we found a typical pattern of alpha lateralization in the visual system, which correlated with response speed. Providing a rhythmic temporal cue led to increased postcue synchronization of low-frequency rhythms, although this effect was more broadband in nature, suggesting a general phase reset rather than frequency-specific neural entrainment. In addition, we observed delta-band synchronization with a frontal topography, which correlated with performance, especially in the auditory task. Combined, these findings suggest that spatial and temporal anticipations operate via a top-down modulation of the power and phase of low-frequency oscillations, respectively.

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Language(s): eng - English
 Dates: 2020-06-302020-08
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1162/jocn_a_01567
Other: epub 2020
PMID: 32319865
 Degree: -

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Title: Journal of Cognitive Neuroscience
Source Genre: Journal
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Publ. Info: Cambridge, MA : MIT Press Journals
Pages: - Volume / Issue: 32 (8) Sequence Number: - Start / End Page: 1562 - 1576 Identifier: ISSN: 0898-929X
CoNE: https://pure.mpg.de/cone/journals/resource/991042752752726