Results 131 to 140 of about 3,425 (195)

Factors Affecting the Activation and Appearances of Epileptiform Abnormalities in Routine Electroencephalography by Different Provocation Methods.

Ann Afr Med
Nazish S.
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Contribution of intermittent photic stimulation to routine EEG

Neurophysiologie Clinique, 2021
Intermittent photic stimulation (IPS) is an activation procedure performed during electroencephalography (EEG) to detect photosensitive patients. This procedure is recommended in routine EEGs but the benefit of IPS in the general population is not clearly ascertained.We retrospectively analyzed 7683 EEGs of patients referred for a routine EEG to the ...
Clément Vialatte de Pémille, Saleheddine Rekik, Hélène Amiel, Elodie Meppiel, Alexandra Richard, Sana Masmoudi, Nathalie Kubis, Pierre Lozeron   +7 more
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P517: Low intensity intermittent photic stimulation

Clinical Neurophysiology, 2014
s of Poster Presentations / Clinical Neurophysiology 125, Supplement 1 (2014) S1–S339 S189 motor threshold, respectively. The ISI of TS was 5 s. Five types of pulse trains were delivered in a pseudo-random order. The ISIs between 3 ISs and between the last IS and TS were (a) 250 ms and 500ms, (b) 500 ms and 500 ms, (c) 1000 ms and 500 ms, (d) 500 ms ...
J. Haueisen, C. Salchow, D. Strohmeier, S. Klee, D. Jannek, H. Witte, A. Nehorai   +6 more
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Intermittent photic stimulation‐provoked seizure associated with ictal asystole

Epileptic Disorders, 2019
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Xiaoli, Wang, Yonghong, Liu
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Interhemispheric differences in photosensitive epilepsy. II. intermittent photic stimulation

Electroencephalography and Clinical Neurophysiology, 1981
Of a consecutive series of 138 photosensitive epileptic patients 57 showed a unilateral preponderance of asymmetrical discharges on IPS, significant in each individual at the 5% level. There was no association between asymmetry of IPS-induced discharges and clinical evidence of cerebral pathology (partial or secondary generalized epilepsy, neurological
C D, Binnie, A J, Wilkins, R A, De Korte
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Intermittent photic stimulation. Clinical usefulness of non-convulsive responses

Electroencephalography and Clinical Neurophysiology, 1978
The clinical usefulness of non-convulsive responses induced by intermittent photic stimulation (IPS) was studied in 46 patients whose evaluation included both electroencephalography (EEG) and computerized cranial tomography (CT scan). Three patterns of photic responses were identified and related to background EEG activity and type of lesion seen on CT
B M, Coull, T A, Pedley
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Spatial Structure of Brain Electric Fields during Intermittent Photic Stimulation

Neuropsychobiology, 2001
EEG changes in 27 young healthy male right-handed volunteers on intermittent photic stimulation (IPS) were estimated using global field power (GFP), EEG microstate modeling and analysis (EMMA), and low-resolution electromagnetic brain tomography (LORETA). The GFP significantly increased at flashing frequency and high harmonics.
T, Hirota, T, Yagyu, R D, Pascual-Marqui, N, Saito, T, Kinoshita   +4 more
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Occipitotemporal seizures with ictus emeticus induced by intermittent photic stimulation

Neurology, 1994
We recorded occipitotemporal seizures induced by intermittent photic stimulation in three children with brain injuries, aged 10 to 13 years. All had a history of seizures and showed occipital spikes on EEG, but were seizure free and were not being treated at the time of investigation.
GUERRINI, RENZO, FERRARI AR, BATTAGLIA A, SALVADORI P, BONANNI P.   +4 more
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Intermittent Photic Stimulation at Marginal Intensity Levels

The Journal of Psychology, 1951
(1951). Intermittent Photic Stimulation at Marginal Intensity Levels. The Journal of Psychology: Vol. 32, No. 2, pp. 217-223.
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Nystagmus evoked by intermittent photic stimulation of the rabbit's eye

Experientia, 1965
Monokulare Reizung des Kaninchens durch Lichtblitze ruft einen Nystagmus hervor, dessen Richtung identisch ist mit der Richtung der Augenbewegungen, die durch elektrische Stimulierung des ipsilateralen Nervus opticus verursacht werden. Die anhaltende Beleuchtung des kontralateralen Auges hemmt die Nystagmusreaktion.
A, Costin, M, Chaimovitz, F, Bergmann
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