• Catarina Fernandes, Austeja Dapkute, Ellie Watson, Irakli Kazaishvili, Piotr Chądzyński, Sara Varanda, Stefano Di Antonio, Veronica Munday, Antoinette MaassenVanDenBrink, Christian Lampl, and European Headache Federation School of Advanced Studies (EHF-SAS).
• Neurology Department, Local Health Unit of Coimbra, Coimbra, Portugal. catarinasfernandes@hotmail.com.
• J Headache Pain. 2024 Dec 19; 25 (1): 221221.

AbstractThe association between migraine and cognitive function has been studied during the last decade, however, this relationship is not well established. As migraine prevalence is highest between the ages of 30-40, aligning with some of our most productive years, we must understand cognitive changes within this disorder. Cognitive impairment potentially limits social and professional interactions, thus negatively impacting quality of life. Therefore, we will review the relationship between prevalent migraine and cognition. Cognitive dysfunction has been reported to be the second largest cause of disability, after pain, in migraine patients. While subjective patient reports on cognition consistently describe impairment, findings for objective neuropsychological assessments vary. Many studies report worse cognitive performance in the ictal phase compared to controls, which can persist into the postictal period, although whether this continues in the interictal period has been understudied. There is limited consensus as to whether cognition differs in migraine with aura versus migraine without aura, and while many studies do support cognitive impairment in chronic migraine, it remains uncertain as to whether this is more debilitating than the cognitive difficulties experienced by those with episodic migraine. To date, objective assessment of neurological abnormalities that may underlie cognitive impairment through neuroimaging has been underutilized. There is limited consensus as to whether cognitive impairment is a characteristic specific to migraine, whether it is driven by a combination of factors including co-morbidities such as anxiety, depression, or vascular dysfunction, treatment, or whether it is a more general characteristic of pain disorders. Overall, increasing numbers of studies support cognitive impairment in migraine patients. Future studies should consider longitudinal study designs to assess cognition across different migraine phases and subtypes of the disorder, including migraine with aura and chronic migraine, as well as controlling for important confounders such as treatment use.© 2024. The Author(s).

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