Cerebrovascular reactivity after functional activation of the Brain using Photic Stimulation in Migraine and Tension Type Headache: a transcranial doppler Ultrasonography Study [PDF]
BMC Neurology, 2023 Background Previous studies in headache patients measured the cerebrovascular reactivity (CVR) in response to photic stimulation but they have yielded contradictory results.
Eman M Khedr +4 more
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The Photic Stimulation Has an Impact on the Reproduction of 10 s Intervals Only in Healthy Controls but Not in Patients with Schizophrenia: The EEG Study [PDF]
Brain Sciences, 2023 Schizophrenia is a mental disorder characterized by both abnormal time perception and atypical relationships with external factors. Here we compare the influence of external photic stimulation on time production between healthy subjects (n = 24) and ...
Galina V. Portnova +1 more
doaj +3 more sources
Rhythmical Photic Stimulation at Alpha Frequencies Produces Antidepressant-Like Effects in a Mouse Model of Depression. [PDF]
PLoS ONE, 2016 Current therapies for depression consist primarily of pharmacological agents, including antidepressants, and/or psychiatric counseling, such as psychotherapy.
Shinheun Kim +9 more
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RESILIENCE IN MIGRAINE BRAINS: DECREASE OF COHERENCE AFTER PHOTIC STIMULATION [PDF]
Frontiers in Human Neuroscience, 2012 Background: During migraine attacks, patients generally have photophobia and phonophobia and seek for environments with less sensorial stimulation. Present work aimed to quantify cortical partial directed coherence (PDC) of electroencephalographic (EEG ...
Mayara eMendoca-de-Souza +13 more
doaj +3 more sources
Electroencephalography Alpha Traveling Waves as Early Predictors of Treatment Response in Major Depressive Episodes: Insights from Intermittent Photic Stimulation [PDF]
BiomedicinesBackground: Early evaluation of treatment efficacy in adolescents and young adults with major depressive episodes (MDEs) remains a clinical challenge, often delaying timely therapeutic adjustments.
Xiaojing Guo +10 more
doaj +3 more sources
Burst-Suppression EEG Reactivity to Photic Stimulation—A Translational Biomarker in Hypoxic–Ischemic Brain Injury [PDF]
BiomoleculesThe reactivity of an electroencephalogram (EEG) to external stimuli is impaired in comatose patients showing burst-suppression (BS) patterns following hypoxic–ischemic brain injury (HIBI).
Alexandru-Cătălin Pâslaru +8 more
doaj +4 more sources
Investigation of the electrophysiological correlates of negative BOLD response during intermittent photic stimulation: An EEG-fMRI study. [PDF]
Hum Brain Mapp, 2016 Maggioni E +6 more
europepmc +3 more sources
Intermittent photic stimulation triggering a temporal lobe seizure in a patient with schizencephaly and pachygyria [PDF]
Epilepsy & Behavior Reports, 2021 Photic stimulation is a common trigger for generalized epilepsies but may rarely incite focal seizures. Aside from documented cases of photosensitive occipital lobe epilepsies, few reported instances exist of focal epilepsies being triggered by ...
Nicholas J. Bratt, Cliff W. Hampton
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Cortical Response to Photic Stimulation
The Tohoku Journal of Experimental Medicine, 1955 1. The latency of on-response was changed markedly by the changes of stimulus intensities, especially by the changes from 0.1 lux to 6 lux, and showed a large seasonal variation. The amplitude was changed in pro-portion to the log-intensity at least within a range from 0.1 lux to 1 lux, in winter toads. 2.
Genyo Mitarai
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Response to photic stimulation as a measure of cortical excitability in epilepsy patients [PDF]
Frontiers in Neuroscience, 2023 Studying states and state transitions in the brain is challenging due to nonlinear, complex dynamics. In this research, we analyze the brain's response to non-invasive perturbations.
Michaela Vranic-Peters +7 more
doaj +2 more sources