Neurophysiological (Visual Evoked Potentials : Vep) And Ultrasonographic (Transcranial Doppler : Td) In Children With Migraine

Sangermani, R; Orsini, G.; Pirovano, S.; Conigliaro, S; Pozzi, Roberto; Filippi, Massimo

doi:10.1177/03331024870070s6165

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“…[2][3][4][5][6][7][8][9][10][11][12] The components of the pattern VEP are mediated by geniculostriate pathways and generated in the occipital lobe. These differences can be in part due to technical reasons: alterations have been found more easily with flash VEP than with pattern VEP.…”

Section: Discussionmentioning

confidence: 99%

“…These differences can be in part due to technical reasons: alterations have been found more easily with flash VEP than with pattern VEP. [2][3][4][5][6][7][8][9][10][11][12] The components of the pattern VEP are mediated by geniculostriate pathways and generated in the occipital lobe. 13,14 Wright et al 15 stated that the primary visual cortex is probably the processing area for the flash P1 component; however the flash P2 component has different characteristics and may be processed by a different system, possibly a completely separate nongeniculate pathway.…”

Section: Discussionmentioning

confidence: 99%

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Visual Evoked Potential in Patients with Migraine

Raudino¹

1988

Headache

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SYNOPSIS Using pattern reversal stimuli, visual evoked potentials (VEP) were measured between attacks in 40 (6 classic and 34 common) migraine sufferers, and in 20 control subjects. While there were no statistically significant differences between the groups in mean P wave latency or in mean P wave amplitude, there were some intriguing individual findings in some of the migraine patients. Nine had P wave latencies more than 2 SD above the control mean; 6 had more than 2 SD increases above control in P wave amplitude; 3 had simultaneous increases in both latencies and amplitudes. In almost all the cases with these unusual values, the tracing had been done close in time to a migraine attack.

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