spike and wave

spike and wave

Electroencephalic evidence of grand mal seizures.
References in periodicals archive ?
He proposed that spike and wave paroxysms as EEG substrate of absences emerge from the same circuit that normally produces sleep spindles and the former are epileptic transformation of sleep spindles.
Some considerations on the pathophysiology of generalized bilaterally synchronous spike and wave discharge," Epilepsia, vol.
Charpier, "Activity of thalamic reticular neurons during spontaneous genetically determined spike and wave discharges," Journal of Neuroscience, vol.
Banar et al., "fMRI activation during spike and wave discharges in idiopathic generalized epilepsy," Brain, vol.
Intermittent photic stimulation precipitated spike and wave pattern in 8 patients (13.3%) more so in females than males (6 females2 males).
In 3%, hyperventilation procedures precipitated abnormality in the form of spike and wave 3HZ/sec.
Table--8 Showing the types of Abnormalities in EEG : TYPES OF ABNORMALITY NUMBER SPECIFIC: Spike and Wave 31 (73.8%) Spike 3 (7.1%) Sharp wave 1 (2.4% Sharp wave & slow wave 1 (2.4% NON SPECIFIC: Slow wave 6 (14.3%) TOTAL 42 Out of the total number of 100 records, 42 demonstrated an abnormality in the EEG.
Among the generalized EEG abnormalities (33 records), majority (87.9%) showed a generalized spike and wave discharge which were bilateral symmetrical and synchronous.
In this study, all the 3 children who had hyperventilation documented 3 Hz spike and wave activity confirming the diagnosis (Table 6).