Causal Evidence for the Role of Neuronal Oscillations in Top–Down and Bottom–Up Attention

Justin Riddle; Kai Hwang; Dillan Cellier; Sofia Dhanani; Mark D'Esposito

doi:10.1162/jocn_a_01376

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Causal Evidence for the Role of Neuronal Oscillations in Top–Down and Bottom–Up Attention

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Causal Evidence for the Role of Neuronal Oscillations in Top–Down and Bottom–Up Attention

Justin Riddle, Kai Hwang, Dillan Cellier, Sofia Dhanani and Mark D'Esposito

Journal of cognitive neuroscience, Vol.31(5), pp.768-779

05/2019

DOI: 10.1162/jocn_a_01376

PMCID: PMC6701188

PMID: 30726180

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Abstract

Beta and gamma frequency neuronal oscillations have been implicated in top–down and bottom–up attention. In this study, we used rhythmic TMS to modulate ongoing beta and gamma frequency neuronal oscillations in frontal and parietal cortex while human participants performed a visual search task that manipulates bottom–up and top–down attention (single feature and conjunction search). Both task conditions will engage bottom–up attention processes, although the conjunction search condition will require more top–down attention. Gamma frequency TMS to superior precentral sulcus (sPCS) slowed saccadic RTs during both task conditions and induced a response bias to the contralateral visual field. In contrary, beta frequency TMS to sPCS and intraparietal sulcus decreased search accuracy only during the conjunction search condition that engaged more top–down attention. Furthermore, beta frequency TMS increased trial errors specifically when the target was in the ipsilateral visual field for the conjunction search condition. These results indicate that beta frequency TMS to sPCS and intraparietal sulcus disrupted top–down attention, whereas gamma frequency TMS to sPCS disrupted bottom–up, stimulus-driven attention processes. These findings provide causal evidence suggesting that beta and gamma oscillations have distinct functional roles for cognition.

Details

Title: Subtitle: Causal Evidence for the Role of Neuronal Oscillations in Top–Down and Bottom–Up Attention
Creators: Justin Riddle - University of California, Berkeley
Kai Hwang - University of California, Berkeley
Dillan Cellier - University of California, Berkeley
Sofia Dhanani - University of California, Berkeley
Mark D'Esposito - University of California, Berkeley
Resource Type: Journal article
Publication Details: Journal of cognitive neuroscience, Vol.31(5), pp.768-779
DOI: 10.1162/jocn_a_01376
PMID: 30726180
PMCID: PMC6701188
NLM abbreviation: J Cogn Neurosci
ISSN: 0898-929X
eISSN: 1530-8898
Language: English
Date published: 05/2019
Academic Unit: Psychiatry; Psychological and Brain Sciences; Iowa Neuroscience Institute
Record Identifier: 9984002464902771

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