Results 41 to 50 of about 2,271,907 (274)

Breaking the Boring Billion

open access: yesGeophysical Monograph Series, Page 487-501., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Charles W. Diamond   +3 more
wiley  

+1 more source

Electroclinical characteristics of photosensitive epilepsy: A retrospective study of 31 Chinese children and literature review

open access: yesFrontiers in Pediatrics, 2023
ObjectiveThe objective of this study was to better understand the clinical features of photosensitive epilepsy (PSE) in Chinese children.MethodsThirty-one children with PSE were screened out of 398 children with epilepsy who were consecutively diagnosed ...
Bo Zhang   +9 more
doaj   +1 more source

Generalized myoclonic epilepsy with photosensitivity in juvenile dogs caused by a defective DIRAS family GTPase 1 [PDF]

open access: yes, 2017
The clinical and electroencephalographic features of a canine generalized myoclonic epilepsy with photosensitivity and onset in young Rhodesian Ridgeback dogs (6 wk to 18 mo) are described.
Arumilli, Meharji   +21 more
core   +1 more source

Photic Stimulation Study of Changing the Arterial Partial Pressure Level of Carbon Dioxide [PDF]

open access: bronzeJournal of Cerebral Blood Flow and Metabolism, 1995
Eku Shimosegawa   +11 more
openalex   +2 more sources

High-frequency neural oscillations and visual processing deficits in schizophrenia [PDF]

open access: yes, 2013
Visual information is fundamental to how we understand our environment, make predictions, and interact with others. Recent research has underscored the importance of visuo-perceptual dysfunctions for cognitive deficits and pathophysiological processes in
Lana, L., Tan, H.-R.M., Uhlhaas, P.J.
core   +3 more sources

Dynamic models in fMRI [PDF]

open access: yes, 1998
Most statistical methods for assessing activated voxels in fMRI experiments are based on correlation or regression analysis. In this context the main assumptions are that the baseline can be described by a few known basis-functions or variables and that
Auer, Dorothee P.   +2 more
core   +1 more source

Photic driving in the electroencephalogram of children and adolescents: harmonic structure and relation to the resting state

open access: yesBrazilian Journal of Medical and Biological Research, 2001
In order to identify latent bioelectrical oscillators, 15 normal subjects (aged 9-17 years, 8 males, 7 females) were subjected to intermittent photic stimulation.
V.V. Lazarev   +3 more
doaj   +1 more source

EEG Epileptiform Discharges in “Healthy” Children

open access: yesPediatric Neurology Briefs, 2010
Researchers from Helios Klinikum Wuppertal, Germany, analyzed the prevalence of epileptiform discharges in digitally recorded EEG (DEEG) of 382 healthy children (226 male, 156 female) ages 6-13 years, and compared the data to those of previously ...
J Gordon Millichap
doaj   +1 more source

Frequency of intermittent photic stimulation: Effect on photic afterdischarges, photic driving, and behavioral activity [PDF]

open access: yesBulletin of the Psychonomic Society, 1976
The effects of various frequencies of intermittent photic stimulation (1/7, 1/3.5, 1/1, 3/1, 6/1, 9/1, 15/1, 18/1, 24/1, and 60/1 sec) on photically evoked afterdischarges (PhADs), photic driving (PD), and behavioral activity (gridcrossings) were examined in rats.
Donov An E. Fleming, Erin D. Bigler
openaire   +2 more sources

p38 Mitogen-activated Protein Kinase Regulates Oscillation of Chick Pineal Circadian Clock [PDF]

open access: yes, 2003
Extracellular signal-regulated kinase (ERK) and p38 are members of the mitogen-activated protein kinase (MAPK) family, and in some cases these kinases serve for closely related cellular functions within a cell. In a wide range of animal clock structures,
Fukada, Yoshitaka   +4 more
core   +1 more source

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