title: EEG delta band spectral power: differneces between unilateral and bilateral ect seizures.
abstract: EEG was recorded from right and left frontal leads during bilateral (n=11) and unilateral (n=l4) ECTs. The seizure EEG was analyzed using East Fourier 'Transform and the spectral power oj the Delta (1-4 Hz) band was computed. The spectral power on both sides was similar in the bilateral ECT. Unilateral ECT produced asymmetry in the early - (first 8 seconds after stimulus offset) and mid - (17-32 seconds after the stimulus offset) siezure phases; the spectral power was lower on the unstimulated hemisphere. Studies to elucidate the relevance of EEG delta band of the seizure to therapeutic potency of ECT are suggested.
authors.affiliation: D. NARAYANA DUTT, Ph.D., Associate Professor, Department of Electrical Communication Engineering, Indian Institute of Science, Bangalore.
authors.forename: D N
authors.initials: DN
authors.lastname: Dutt
authors.forename: P K
authors.initials: PK
authors.lastname: Mahapatra
authors.forename: B N
authors.initials: BN
authors.lastname: Gangadhar
authors.forename: P K
authors.initials: PK
authors.lastname: Sadasivan
authors.forename: N
authors.initials: N
authors.lastname: Janakiramaiah
authors.forename: D K
authors.initials: DK
authors.lastname: Subbakrishna
authors.forename: K M
authors.initials: KM
authors.lastname: Rao