Relationship between resting alpha activity and the ERPs obtained during a highly demanding selective attention task

International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology
Julieta Ramos-LoyoMiguel A Guevara

Abstract

In spite of previous reports on the relationship between ongoing EEG and ERPs, there remains a lack of agreement on the nature of their nexuses. The aim of the present study was to evaluate the relationship between resting EEG and the ERP components in two groups of healthy subjects with different levels of performance in a highly demanding selective visual attention task. Young adults were classified according to the amount of their correct responses in the task, into high (HP; averaged hits (AH): 86%) and low performance groups (LP; AH: 59%). EEG was recorded during rest, prior to task performance and absolute (AP) and relative power (RP), as well as inter- (rTER) and intrahemispheric (rTRA) correlation were calculated. ERPs during task performance were also obtained and their amplitude and latency measures were assessed. Results showed that individuals with better behavioral performance had a higher synchronization between both hemispheres during rest as well as higher amplitude and shorter latencies of N2 and P3. Principal Component Analysis revealed that alpha2 AP and RP were inversely related to P2 and N2 latency. Higher values of alpha1 and alpha2 rTER were clustered with higher P3 amplitude and shorter reaction time. In...Continue Reading

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Citations

Nov 26, 2011·BMC Neuroscience·Tien-Wen LeeTai-Jui Chen
Sep 26, 2014·Applied Psychophysiology and Biofeedback·Yaxin FanMichael I Posner
Nov 26, 2008·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Adile Oniz, Erol Başar
Dec 6, 2006·Neuroscience and Biobehavioral Reviews·Gennady G Knyazev
Apr 5, 2008·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Dirk HagemannEwald Naumann
Dec 3, 2008·International Journal of Immunogenetics·F YariA Talebian
Nov 4, 2015·Journal of Neural Engineering·Rui ZhangPeng Xu
Nov 28, 2013·Journal of Neural Engineering·Yangsong ZhangDezhong Yao
Mar 2, 2021·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Dan CaiAda W S Leung

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