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Title: Prestimulus alpha power is related to the strength of stimulus representation
Author(s): Barne, L.C.; Lange, F.P. de ; Cravo, A.M.
Publication year: 2020
Source: Cortex, vol. 132, (2020), pp. 250-257
Number of Pages: 8 p.
ISSN: 0010-9452
DOI: https://doi.org/10.1016/j.cortex.2020.08.017
Publication type: Article / Letter to editor

Please use this identifier to cite or link to this item : https://hdl.handle.net/2066/224705   https://hdl.handle.net/2066/224705

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Subject: 180 000 Predictive Brain
Action, intention, and motor control
Organization: PI Group Predictive Brain
SW OZ DCC CO
Journal title:
Cortex
Volume: vol. 132
Page start: p. 250
Page end: p. 257
Abstract:
Spatial attention can modulate behavioural performance and is associated with several electrophysiological markers. In this study, we used multivariate pattern analysis in electrophysiology data to investigate the effects of covert spatial attention on the quality of stimulus processing and its underlying mechanisms. Our results show that covert spatial attention led to (i) an anticipatory alpha power desynchronization; (ii) enhanced stimuli identity information. Moreover, we found that alpha power fluctuations in anticipation of the relevant stimuli boosted and prolonged the coding of stimulus identity.
Languages used: English (eng)

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