About: Dose-dependent enhancement of motion direction discrimination with transcranial magnetic stimulation of visual cortex

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An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Dose-dependent enhancement of motion direction discrimination with transcranial magnetic stimulation of visual cortex
Creator	Liu, Sicong Appelbaum, Lawrence Arana, Gamboa Brito, Alexandra Cabeza, Roberto Dannhauer, Moritz Davis, Simon Hamdan, Rena Hile, Connor Lucia, Olga Palmer, Hannah Peterchev, Angel Sommer, Marc
topic	covid:fa67a7ec8e95db30d6bc6b1b7f04b42dee407b14#this
source	BioRxiv
abstract	Despite the widespread use of transcranial magnetic stimulation (TMS) in research and clinical care, the underlying mechanisms-of-actions that mediate modulatory effects remain poorly understood. To fill this gap, we studied dose–response functions of TMS for modulation of visual processing. Our approach combined electroencephalography (EEG) with application of single pulse TMS to visual cortex as participants performed a motion perception task. During participants’ first visit, motion coherence thresholds, 64-channel visual evoked potentials (VEPs), and TMS resting motor thresholds (RMT) were measured. In second and third visits, single pulse TMS was delivered 30 ms before the onset of motion or at the onset latency of the N2 VEP component derived from the first session. TMS was delivered at 0%, 80%, 100%, or 120% of RMT over the site of N2 peak activity, or at 120% over vertex. Behavioral results demonstrated a significant main effect of TMS timing on accuracy, with better performance when TMS was applied at N2-Onset timing versus Pre-Onset, as well as a significant interaction, indicating that 80% intensity produced higher accuracy than other conditions. TMS effects on VEPs showed reduced amplitudes in the 80% Pre-Onset condition, an increase for the 120% N2-Onset condition, and monotonic amplitude scaling with stimulation intensity. The N2 component was not affected by TMS. These findings reveal dose–response relationships between intensity and timing of TMS on visual perception and electrophysiological brain activity, generally indicating greater facilitation at stimulation intensities below RMT.
has issue date	2020-06-15(xsd:dateTime)
bibo:doi	10.1101/2020.06.14.151118
has license	biorxiv
sha1sum (hex)	fa67a7ec8e95db30d6bc6b1b7f04b42dee407b14
schema:url	https://doi.org/10.1101/2020.06.14.151118
resource representing a document's title	Dose-dependent enhancement of motion direction discrimination with transcranial magnetic stimulation of visual cortex
schema:publication	bioRxiv
resource representing a document's body	covid:fa67a7ec8e95db30d6bc6b1b7f04b42dee407b14#body_text
is http://vocab.deri.ie/void#inDataset of	proxy:http/ns.inria.fr/covid19/fa67a7ec8e95db30d6bc6b1b7f04b42dee407b14
is schema:about of	named entity 'modulatory' named entity 'onset' named entity 'thresholds' named entity 'care' named entity 'motion' named entity 'CLINICAL CARE' named entity 'MOTION PERCEPTION' named entity 'MECHANISMS' named entity 'EFFECT' named entity 'GAP' named entity 'MOTOR' named entity 'PERFORMANCE' named entity 'TMS' named entity 'STIMULATION' named entity 'THESE' named entity 'UNDERLYING' named entity 'DEMONSTRATED' named entity 'APPLICATION' named entity 'MEDIATE' named entity 'ONSET' named entity 'WIDESPREAD' named entity 'AMPLITUDE' named entity '120' covid:arg/fa67a7ec8e95db30d6bc6b1b7f04b42dee407b14 named entity 'facilitation' named entity 'condition' named entity 'TMS' named entity 'thresholds' named entity 'produced' named entity 'participants' named entity 'interaction' named entity 'indicating' named entity 'visual evoked potentials' named entity 'visits' named entity 'VEPs' named entity 'indicating' named entity 'delivered' named entity 'transcranial magnetic stimulation (TMS)' named entity 'RMT' named entity 'main effect' named entity 'VEPs' named entity 'visual perception' named entity 'TMS' named entity 'transcranial magnetic stimulation' named entity 'dose-response relationships' named entity 'motion perception' named entity 'head trauma' named entity 'TMS' named entity 'TMS' named entity 'RMT' named entity 'TMS' named entity 'complex amplitude' named entity 'VEP' named entity 'statistically significant' named entity 'long-term' named entity 'TMS' named entity 'auditory evoked potential' named entity 'correlation' named entity 'right-handed' named entity 'Natick' named entity 'left occipital cortex' named entity 'TMS' named entity 'N2pc' named entity 'visual stimulus' named entity 'Arduino' named entity 'VEPs' named entity 'RMT' named entity 'EEG' named entity 'TMS' named entity 'TMS'

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