Results 151 to 160 of about 661,949 (214)

Hyperventilation-Induced High-Amplitude Rhythmic Slowing and Its Impact on Migraine Frequency in Children: A Retrospective Observational Cohort Study. [PDF]

Iran J Child Neurol
Mohammadi M, Shervin Badv R, Rezaei Z, Ashrafi MR, Zamani GR, Heidari M, Vatanparast M, Eslamiyeh H, Ahangari N, Barazandeh Shirvan B, Beiraghi Toosi M.   +10 more
europepmc   +1 more source

Photic Stimulation

American Journal of EEG Technology, 1974
This contribution on photic stimulation is an attempt to stress its clinical value. The efficiency of photic stimulation is very poor if it is used to serve one purpose only, that is, testing a patient's photo convulsive threshold. Photic stimulation can be a much more powerful aid because driving responses make a positive contribution towards a better
Ponsen, L.
openaire   +3 more sources

Multiple response to photic stimulation in cats

American Journal of Physiology-Legacy Content, 1959
This study was carried out in order to compare the multiple cortical response to a photic stimulus and the secondary response to sciatic nerve stimulation. Late responses to flash and to sciatic nerve shock were recorded in acute cat preparations anesthetized with pentobarbital.
T C, FLEMING, E V, EVARTS
openaire   +3 more sources

Detection of multiple sclerosis from photic stimulation EEG signals

Biomedical Signal Processing and Control, 2021
Background: Multiple Sclerosis (MS) is characterized as a chronic, autoimmune and inflammatory disease of the central nervous system. Early diagnosis of MS is of great importance for the treatment and course of the disease.
Mehmet Feyzi Akşahin
exaly   +2 more sources

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Spectral analysis of photic stimulation in migraine

Electroencephalography and Clinical Neurophysiology, 1982
In seeking an electrophysiologic discriminator of migraine, we applied computer technology to power spectral analysis of the EEG with photic stimulation. In 11 normal volunteers and 11 migraineurs (both classic and common) we were able to classify all migraineurs and misclassified only one normal based on the spectral analysis.
R H, Simon, A W, Zimmerman, A, Tasman, M S, Hale   +3 more
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Photic Stimulation and the EEG in Macular Disease

Archives of Ophthalmology, 1964
Berger in 1929 discovered what is now known as the a rhythm of the brain. This consists of oscillations of electrical potential at a frequency of 8½ to 12 per second and is best developed in the parieto-occipital region. This rhythm is best demonstrated with the eyes closed, and may be blocked by the subject's attention to vision with the eyes opened ...
J, GRADER, G L, HELLER
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Ictus Emeticus Induced by Photic Stimulation

Clinical Electroencephalography, 1988
It has been recently established that ictus emeticus originates from mesial temporal lobe structures. We herein report a patient with generalized epilepsy who exhibited ictus emeticus reflexly triggered by intermittent photic stimulation accompanied by generalized photoparoxysmal responses on the electroencephalogram. All seizures and EEG abnormalities
D E, Jacome, M, Suarez
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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
openaire   +2 more sources