Dysphasia and Other Higher Cortical Dysfunctions During the Migraine Aura—a Systematic Review of Literature

Petrušić, Igor; Viana, Michele; Zecca, Chiara; Zidverc-Trajković, Jasna

doi:10.1007/s11916-020-0836-3

Cited by 9 publications

(9 citation statements)

References 45 publications

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“…Note that, in view of the possibility of variation in the path of spread in highly folded cortical tissue [ 36 ], “equidistant” actually means in time, not necessarily along a straight line in space. It has often been suggested that CSD spreads “silently” through cortical regions that are not primarily sensory—perhaps even in migraine without aura [ 43 ]—and such spread has been offered as an explanation of some of the cognitive effects described in the literature in individuals with multimodal auras [ 23 , 24 ]. However, a strong argument can be made that a single wave of CSD is not the most parsimonious explanation for our results and cannot explain all our findings.…”

Section: Discussionmentioning

confidence: 99%

“…There are also numerous reports in the literature of more complex cognitive symptoms that often occur at some point during a migraine episode [ 23 ]. Most frequently mentioned are a range of language difficulties [ 24 ], which may include receptive language such as reading and comprehension of spoken language, and also language production problems including dysarthria (difficulty with articulation) and word-finding difficulties. More diffuse cognitive difficulties with concentration, and in some cases with memory, are also reported.…”

Section: Introductionmentioning

confidence: 99%

“…However, due to events that frequently occur in academic careers (funding fluctuation, move to different institution and city, shifting research priorities) this did not happen. In light of recent interest in the literature in multiple and complex auras [ 16 , 23 , 24 , 31 ], this data set does continue to have relevance. As all original records including informed consent and ethics approvals had been retained by the author, this special issue devoted to migraine aura seemed an appropriate opportunity to place these findings into the literature.…”

Section: Introductionmentioning

confidence: 99%

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Aura Mapping: Where Vision and Somatosensation Meet

Wilkinson

2021

Vision

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While migraine auras are most frequently visual, somatosensory auras are also relatively common. Both are characterized by the spread of activation across a cortical region containing a spatial mapping of the sensory (retinal or skin) surface. When both aura types occur within a single migraine episode, they may offer an insight into the neural mechanism which underlies them. Could they both be initiated by a single neural event, or do the timing and laterality relationships between them demand multiple triggers? The observations reported here were carried out 25 years ago by a group of six individuals with migraine with aura. They timed, described and mapped their visual and somatosensory auras as they were in progress. Twenty-nine episode reports are summarized here. The temporal relationship between the onset of the two auras was quite variable within and across participants. Various forms of the cortical spreading depression hypothesis of migraine aura are evaluated in terms of whether they can account for the timing, pattern of symptom spread and laterality of the recorded auras.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Aura Mapping: Where Vision and Somatosensation Meet

Wilkinson

2021

Vision

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“…However, numbness may be the only symptom [26]. Speech and/or language auras are usually described as aphasias but may also include slowed speech or difficulty reading, especially in adolescents [26,28].…”

Section: Migraine With Typical Auramentioning

confidence: 99%

Pediatric Episodic Migraine with Aura: A Unique Entity?

Shapiro

Lebel

2021

Children

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Migraine headache is a common cause of pain and disability in children and adolescents and is a major contributor to frequently missed school days and limitations in activities. Of children and adolescents with migraine headache, approximately one-third have migraine with aura (MA). MA is often considered to be similar to migraine without aura (MO), and thus, many studies do not stratify patients based on the presence of aura. Because of this, treatment recommendations are often analogous between MA and MO, with a few notable exceptions. The purpose of this review is to highlight the current evidence demonstrating the unique pathophysiology, clinical characteristics, differential diagnosis, co-morbidities, and treatment recommendations and responses for pediatric MA.

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“…All the above are questioning whether these two subgroups of patients should be classified as one group labeled as migraine with typical aura or the current diagnostic criteria and classification should be modified. The answer to this question is important because identifying subtypes of migraine with typical aura might lead to more individualized therapy (10). Hereby, we invite Society members to discuss and test this hypothesis.…”

mentioning

confidence: 99%