Results 21 to 30 of about 32,031 (301)

On the Trial Production of the Equipment Measuring ManySubjects' Critical Flicker Fusion Frequency at the Same Time [PDF]

open access: yes, 1971
The equipment measuring the critical flicker fusion frequency (CFF) is made in order to measure many subjects' CFF at the same time. This equipment is defined the multi-flicker. The equipment measuring CFF, used until now is defined the mono-flicker.
Kikuchi, Susumu, Osaki, Hirokazu
core   +1 more source

The Parabolic variance (PVAR), a wavelet variance based on least-square fit [PDF]

open access: yes, 2015
This article introduces the Parabolic Variance (PVAR), a wavelet variance similar to the Allan variance, based on the Linear Regression (LR) of phase data.
Bourgeois, P. -Y.   +3 more
core   +6 more sources

A review on flicker-free ac-dc LED drivers for single-phase and three-phase ac power grids [PDF]

open access: yes, 2019
Light-Emitting Diodes (LEDs) are coming strongly into the lighting market due to their advantages over conventional lighting solutions: energy efficient, controllable in both light and color, long lifetime, lack of a warm-up period and high power density.
Arias Pérez de Azpeitia, Manuel   +5 more
core   +2 more sources

A flashing light may not be that flashy: A systematic review on critical fusion frequencies.

open access: yesPLoS ONE, 2022
BackgroundLight pollution could represent one of the main drivers behind the current biodiversity erosion. While the effects of many light components on biodiversity have already been studied, the influence of flicker remains poorly understood.
Alix Lafitte   +5 more
doaj   +1 more source

Time-locked perceptual fading induced by visual transients [PDF]

open access: yes, 2003
After prolonged fixation, a stationary object placed in the peripheral visual field fades and disappears from our visual awareness, especially at low luminance contrast (the Troxler effect).
Kamitani, Yukiyasu, Kanai, Ryota
core   +2 more sources

Impact of sustained viral response in the evolution of minimal hepatic encephalopathy: A prospective pilot study

open access: yesAnnals of Hepatology, 2019
Introduction and aims: To determine the prevalence of minimal hepatic encephalopathy(MHE) in patients with liver cirrhosis (LC) due to hepatitis C virus (HCV) infection and to evaluate the impact of sustained viral response (SVR) on MHE.
Marta Hernández-Conde   +7 more
doaj   +3 more sources

Evaluation of a sudden brake warning system: Effect on the response time of the following driver [PDF]

open access: yes, 2010
This study used a video-based braking simulation dual task to carry out a preliminary evaluation of the effect of a sudden brake warning system (SBWS) in a leading passenger vehicle on the response time of the following driver.
Isler, Robert B., Starkey, Nicola J.
core   +2 more sources

CRITICAL FREQUENCY OF FLICKER MERGING AND VISUAL POTENTIALS UNDER COMPUTER LOAD

open access: yesRUDN Journal of Medicine, 2019
The urgency of the development and improvement of methods for studying the functional state of users of computer technology is growing in parallel with the growth of their negative impact on the main targets - visual and neuropsychic functions. Therefore,
R. R. Akhmadeev   +4 more
doaj   +1 more source

Central Beneficial Effects of Trimetazidine on Psychomotor Performance in Normal Healthy Volunteers

open access: yesAdvanced Biomedical Research, 2017
Background: Trimetazidine is a fatty oxidation inhibitor, leading to shifting of energy substrate from fatty acid oxidation toward glucose oxidation that leads to the reduction of oxygen requirement.
Hayder M Al-Kuraishy, Ali I Al-Gareeb
doaj   +1 more source

The Apparatus to Measure the Multi-point Critical Flicker Fusion Frequency (MCFF) [PDF]

open access: yes, 1984
In this paper, we mentioned the apparatus developed to measure CFFs at the various point of the retina. Eleven CFFs measured at the central retina of both eyes (used usually} simultaneously, at the central retina of each eye separately, and at four ...
Kikuchi, Susumu   +3 more
core   +1 more source

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