Article (Scientific journals)
Bimodal sensory integration in migraine: A study of the effect of visual stimulation on somatosensory evoked cortical responses.
Sebastianelli, Gabriele; Abagnale, Chiara; Casillo, Francesco et al.
2022In Cephalalgia, 42 (7), p. 654-662
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Keywords :
Cross-sensory interaction; evoked potentials; habituation; multisensory integration; Evoked Potentials, Somatosensory/physiology; Evoked Potentials, Visual; Habituation, Psychophysiologic/physiology; Humans; Photic Stimulation; Somatosensory Cortex; Migraine without Aura; Evoked Potentials, Somatosensory; Habituation, Psychophysiologic; Neurology (clinical); General Medicine
Abstract :
[en] BACKGROUND: Merging of sensory information is a crucial process for adapting the behaviour to the environment in all species. It is not known if this multisensory integration might be dysfunctioning interictally in migraine without aura, where sensory stimuli of various modalities are processed abnormally when delivered separately. To investigate this question, we compared the effects of a concomitant visual stimulation on conventional low-frequency somatosensory evoked potentials and embedded high-frequency oscillations between migraine patients and healthy volunteers. METHODS: We recorded somatosensory evoked potentials in 19 healthy volunteers and in 19 interictal migraine without aura patients before, during, and 5 min after (T2) simultaneous synchronous pattern-reversal visual stimulation. At each time point, we measured amplitude and habituation of the N20-P25 low-frequency-somatosensory evoked potentials component and maximal peak-to-peak amplitude of early and late bursts of high-frequency oscillations. RESULTS: In healthy volunteers, the bimodal stimulation significantly reduced low-frequency-somatosensory evoked potentials habituation and tended to reduce early high-frequency oscillations that reflect thalamocortical activity. By contrast, in migraine without aura patients, bimodal stimulation significantly increased low-frequency-somatosensory evoked potentials habituation and early high-frequency oscillations. At T2, all visual stimulation-induced changes of somatosensory processing had vanished. CONCLUSION: These results suggest a malfunctioning multisensory integration process, which could be favoured by an abnormal excitability level of thalamo-cortical loops.
Research center :
Unité de Recherche sur les Céphalées
Disciplines :
Neurology
Author, co-author :
Sebastianelli, Gabriele ;  Sapienza University of Rome Polo Pontino, Department of Medico-Surgical Sciences and Biotechnologies, Latina, Italy
Abagnale, Chiara;  Sapienza University of Rome Polo Pontino, Department of Medico-Surgical Sciences and Biotechnologies, Latina, Italy
Casillo, Francesco ;  Sapienza University of Rome Polo Pontino, Department of Medico-Surgical Sciences and Biotechnologies, Latina, Italy
Cioffi, Ettore;  Sapienza University of Rome Polo Pontino, Department of Medico-Surgical Sciences and Biotechnologies, Latina, Italy
Parisi, Vincenzo;  IRCCS - Fondazione Bietti, Rome, Italy
Di Lorenzo, Cherubino;  Sapienza University of Rome Polo Pontino, Department of Medico-Surgical Sciences and Biotechnologies, Latina, Italy
Serrao, Mariano;  Sapienza University of Rome Polo Pontino, Department of Medico-Surgical Sciences and Biotechnologies, Latina, Italy
Porcaro, Camillo;  Department of Neuroscience and Padova Neuroscience Center (PNC), University of Padova, Padova, Italy ; Institute of Cognitive Sciences and Technologies (ISTC) - National Research Council (CNR), Rome, Italy ; Centre for Human Brain Health and School of Psychology, University of Birmingham, Birmingham, UK
Schoenen, Jean  ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de neurologie (CHR)
Coppola, Gianluca ;  Sapienza University of Rome Polo Pontino, Department of Medico-Surgical Sciences and Biotechnologies, Latina, Italy
Language :
English
Title :
Bimodal sensory integration in migraine: A study of the effect of visual stimulation on somatosensory evoked cortical responses.
Publication date :
2022
Journal title :
Cephalalgia
ISSN :
0333-1024
eISSN :
1468-2982
Publisher :
SAGE Publications Ltd, England
Volume :
42
Issue :
7
Pages :
654-662
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Italian Ministry of Health [IT]
Fondazione Roma [IT]
Funding text :
The contribution of the G.B. Bietti Foundation in this paper was supported by the Italian Ministry of Health and Fondazione Roma.
Available on ORBi :
since 13 December 2022

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