The Eeg Background Activity In Children With Migraine

Farkas,; Benninger, C.; Matthis, P.; Scheffner, D.; Lindeisz, F

doi:10.1177/03331024870070s619

Cited by 6 publications

(8 citation statements)

References 6 publications

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“…We mainly found increased theta activity in migraineurs without aura, but it is plausible that increased theta is also present in migraineurs with aura since our aura subgroup was small and earlier studies have found increased theta in subjects both with and without aura [20, 22, 24]. …”

Section: Discussionmentioning

confidence: 56%

“…Lia et al [22] found increased relative theta activity in the parieto-occipital region in adults with and without aura. Farkas et al [20] found increased central relative theta power in children with and without aura. Genco et al [24] reported increased theta, all regions in children with and without aura while only delta was increased in adults.…”

Section: Discussionmentioning

confidence: 99%

“…However, the results from QEEG studies in migraine are not consistent and partly contradictory [16–19]. The cause for this disagreement has not been clarified, but many QEEG studies did apparently not take into account that some patients were in a pre-attack phase during recording [20–28]. …”

Section: Introductionmentioning

confidence: 99%

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Interictal quantitative EEG in migraine: a blinded controlled study

et al. 2009

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Abnormal electroencephalography (EEG) in migraineurs has been reported in several studies. However, few have evaluated EEG findings in migraineurs during a time period when neither the last attack nor the next attack may interact with the results. We, therefore, compared interictal EEG in migraineurs and headache-free subjects with a design controlled for interference by pre-ictal changes. Pre-ictal EEG findings in the painful cranial side during the next attack after registration were also investigated. Correlations between clinical variables and EEG are reported as well. Interictal EEGs from 33 migraineurs (6 with and 27 without aura) and 31 controls were compared. Absolute power, asymmetry and relative power were studied for delta, theta and alpha frequency bands in parieto-occipital, temporal and fronto-central areas. EEG variables were correlated to attack frequency, headache duration, attack duration, pain intensity, photo- and phonophobia. Compared with controls, migraineurs had increased relative theta power in all cortical regions and increased delta activity in the painful fronto-central region. Absolute power and asymmetry were similar among groups. In age-adjusted analyses, headache intensity correlated with increased delta activity. In this blinded controlled study, we found globally increased relative theta activity in migraineurs. A slight interictal brain dysfunction is probably present between attacks.

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Section: Discussionmentioning

confidence: 56%

Section: Discussionmentioning

confidence: 99%

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Interictal quantitative EEG in migraine: a blinded controlled study

et al. 2009

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“…Frequency bands taken into consideration were DELTA (1-4 Hz), THETA (4-8 Hz), ALPHA (8-12 Hz) and BETA (12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22)(23)(24)(25). At least eight 30 sec artefact-free epochs, both with eyes open and eyes closed, were selected for spectral analysis for each subject.…”

Section: Techniquesmentioning

confidence: 99%

Computerized EEG Topography in Childhood Migraine Between and During Attacks

1993

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Topographic EEG mapping was performed in 58 migrainous children (mean age: 12.9 years; 39 without, 19 with aura) between attacks. Ten children were also recorded during an attack with visual aura. Between attacks there were no significant differences between migraineurs and age-matched controls. During visual aura a decrease in occipital alpha power contralateral to the affected hemifield was found in all patients. This was followed by a bilateral frontal increase in delta power, and, during the headache, by an increased delta activity in posterior-temporal and occipital electrode sites. The possible brain mechanisms underlying these EEG changes are discussed.

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“…It has been studied repeatedly from the neurophysiological viewpoint, either in an isolated fashion or in association with other processes and especially with epilepsy. [2][3][4][5] The neurophysiological tests were performed by means both of an EEG and visually evoked potentials.…”

Section: Introductionmentioning

confidence: 99%

Quantitative EEG in Children with Headache

Valdizán

Andreu²,

AImárcegui

et al. 1994

Headache

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The object of this work is to determine if Brain Mapping can reveal significant differences between a normal control group and a group whose members suffer from one of three types of headache: tension-type, migraine with aura and migraine without aura. Both groups were formed by children aged between 6 and 14; the latter were undergoing no treatment and were in a headache-free phase. Results demonstrate that there are no significant differences between the control group and the tension-type headache group. Neither were differences found in migraine without aura group but in migraine with aura there was an increase of the theta/alpha ratio in the temporal posterior and occipital zones. This ratio could be used as a neurophysiological indicator in the evolution of the migraine with aura pathology.

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The Eeg Background Activity In Children With Migraine

Cited by 6 publications

References 6 publications

Interictal quantitative EEG in migraine: a blinded controlled study

Interictal quantitative EEG in migraine: a blinded controlled study

Computerized EEG Topography in Childhood Migraine Between and During Attacks

Quantitative EEG in Children with Headache

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