Page 224 - MEGIN Book Of Abstracts - 2023

Keywords: Episodic migraine, Functional connectivity, and magneto- and electro-encephalography signals
Gamma, Magnetoencephalography, Oscillation, Pain were recorded. Event-related potentials and fields were
sensitivity, Resting state processed and source reconstruction was applied to
event-related fields.
The journal of headache and pain (2020), Vol. 21, No. 1
(33198621) (5 citations) RESULTS At the behavioral level, neither top-down
nor bottom-up attentional processes appeared to be
altered in migraine. However, migraineurs presented
Auditory attention alterations in migraine: A heightened evoked responses following distracting
behavioral and MEG/EEG study (2020) sounds (orienting component of the N1 and Re-Ori-
enting Negativity, RON) and following target sounds
Masson, Rémy; Lévêque, Yohana; Demarquay, (orienting component of the N1), concomitant to an
Geneviève; ElShafei, Hesham; Fornoni, Lesly; increased recruitment of the right temporo-parietal
Lecaignard, Françoise; Morlet, Dominique; Bidet-Caulet, junction. They also displayed an increased effect of the
Aurélie; Caclin, Anne cue informational value on target processing resulting
in the elicitation of a negative difference (Nd).
Lyon Neuroscience Research Center (CRNL), INSERM UMRS
1028, CNRS UMR 5292, Université Claude Bernard Lyon 1, Uni- CONCLUSIONS Migraineurs appear to display in-
versité de Lyon, Lyon, France. Electronic address: remy.mas- creased bottom-up orienting response to all incoming
[email protected]; Lyon Neuroscience Research Center (CRNL), sounds, and an enhanced recruitment of top-down
INSERM UMRS 1028, CNRS UMR 5292, Université Claude attention.
Bernard Lyon 1, Université de Lyon, Lyon, France; Neurologi-
cal Hospital Pierre Wertheimer, Functional Neurology and SIGNIFICANCE The interictal state in migraine is char-
Epilepsy Department, Hospices Civils de Lyon and Université acterized by an exacerbation of the orienting response
Claude Bernard Lyon 1, Université de Lyon, Lyon, France to attended and unattended sounds. These attentional
alterations might participate to the peculiar vulnerabil-
OBJECTIVES To evaluate alterations of top-down and/ ity of the migraine brain to all incoming stimuli.
or bottom-up attention in migraine and their cortical
underpinnings. Keywords: Bottom-up attention, Electroencephalogra-
phy, Event-related responses, Magnetoencephalography,
METHODS 19 migraineurs between attacks and 19 Migraine, Top-down attention
matched control participants performed a task evaluat-
ing jointly top-down and bottom-up attention, using Clinical neurophysiology: official journal of the
visually-cued target sounds and unexpected task- International Federation of Clinical Neurophysiology
irrelevant distracting sounds. Behavioral responses (2020), Vol. 131, No. 8 (32619799) (4 citations)

 ontents  Index 203
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