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Conference Paper: Modulation of Resting State Networks After Slow and Periodic Visual Stimulation in Humans

TitleModulation of Resting State Networks After Slow and Periodic Visual Stimulation in Humans
Authors
Wang, LDong, CMLeong, ATLWang, XHo, LCCChan, RWChen, FFWu, EX
Issue Date2017
PublisherThe International Society for Magnetic Resonance in Medicine.
Citation
The International Society of Magnetic Resonance in Medicine (ISMRM) 25th Annual Meeting & Exhibition, Honolulu, HI, USA, 22-27 April 2017 How to Cite?
AbstractPeriodicity is inherent in numerous external sensory stimuli. However, its effect on large-scale resting state brain networks has not been fully understood. This study investigated brain networks before and after periodic visual stimulation in low frequency (1Hz) using resting state functional MRI. Enhanced connectivity in visual, temporal, salience and ventral attention networks were detected after 1Hz visual stimulation. Furthermore, power spectrum analysis showed increase in infra-slow (<0.1Hz) rsfMRI activity. These findings suggest that slow and periodic visual stimulation initiates and/or facilitates certain neuromodulatory mechanisms such as neural oscillations, leading to increased rsfMRI connectivity.
DescriptionElectronic Poster Session: fMRI: Physiology - abstract no. 5313
Persistent Identifierhttp://hdl.handle.net/10722/247805

 

DC FieldValueLanguage
dc.contributor.authorWang, L-
dc.contributor.authorDong, CM-
dc.contributor.authorLeong, ATL-
dc.contributor.authorWang, X-
dc.contributor.authorHo, LCC-
dc.contributor.authorChan, RW-
dc.contributor.authorChen, FF-
dc.contributor.authorWu, EX-
dc.date.accessioned2017-10-18T08:32:56Z-
dc.date.available2017-10-18T08:32:56Z-
dc.date.issued2017-
dc.identifier.citationThe International Society of Magnetic Resonance in Medicine (ISMRM) 25th Annual Meeting & Exhibition, Honolulu, HI, USA, 22-27 April 2017-
dc.identifier.urihttp://hdl.handle.net/10722/247805-
dc.descriptionElectronic Poster Session: fMRI: Physiology - abstract no. 5313-
dc.description.abstractPeriodicity is inherent in numerous external sensory stimuli. However, its effect on large-scale resting state brain networks has not been fully understood. This study investigated brain networks before and after periodic visual stimulation in low frequency (1Hz) using resting state functional MRI. Enhanced connectivity in visual, temporal, salience and ventral attention networks were detected after 1Hz visual stimulation. Furthermore, power spectrum analysis showed increase in infra-slow (<0.1Hz) rsfMRI activity. These findings suggest that slow and periodic visual stimulation initiates and/or facilitates certain neuromodulatory mechanisms such as neural oscillations, leading to increased rsfMRI connectivity.-
dc.languageeng-
dc.publisherThe International Society for Magnetic Resonance in Medicine. -
dc.relation.ispartofISMRM 2017 Annual Meeting & Exhibition-
dc.titleModulation of Resting State Networks After Slow and Periodic Visual Stimulation in Humans-
dc.typeConference_Paper-
dc.identifier.emailChan, RW: russchan@connect.hku.hk-
dc.identifier.emailWu, EX: ewu@eee.hku.hk-
dc.identifier.authorityWu, EX=rp00193-
dc.identifier.hkuros280426-
dc.publisher.placeUnited States-

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