Chromatic Induction in Migraine.
chromatic induction
colour
colour perception
migraine
psychophysics
vision
Journal
Vision (Basel, Switzerland)
ISSN: 2411-5150
Titre abrégé: Vision (Basel)
Pays: Switzerland
ID NLM: 101733282
Informations de publication
Date de publication:
06 Aug 2021
06 Aug 2021
Historique:
received:
22
06
2021
revised:
17
07
2021
accepted:
02
08
2021
entrez:
27
8
2021
pubmed:
28
8
2021
medline:
28
8
2021
Statut:
epublish
Résumé
The human visual system is not a colorimeter. The perceived colour of a region does not only depend on its colour spectrum, but also on the colour spectra and geometric arrangement of neighbouring regions, a phenomenon called chromatic induction. Chromatic induction is thought to be driven by lateral interactions: the activity of a central neuron is modified by stimuli outside its classical receptive field through excitatory-inhibitory mechanisms. As there is growing evidence of an excitation/inhibition imbalance in migraine, we compared chromatic induction in migraine and control groups. As hypothesised, we found a difference in the strength of induction between the two groups, with stronger induction effects in migraine. On the other hand, given the increased prevalence of visual phenomena in migraine with aura, we also hypothesised that the difference between migraine and control would be more important in migraine with aura than in migraine without aura. Our experiments did not support this hypothesis. Taken together, our results suggest a link between excitation/inhibition imbalance and increased induction effects.
Identifiants
pubmed: 34449758
pii: vision5030037
doi: 10.3390/vision5030037
pmc: PMC8396337
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : Agència de Gestió d'Ajuts Universitaris i de Recerca
ID : 2017-SGR-649
Organisme : Ministerio de Economía, Industria y Competitividad, Gobierno de España
ID : DPI2017-89867-C2-1-R
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