Unravelling the illusion of flicker fusion
نویسندگان
چکیده
منابع مشابه
Unravelling the illusion of flicker fusion.
For over 150 years, researchers have investigated the anti-predator function of animal patterns. However, this work has mainly focused on when prey remain still, and has only recently started to incorporate motion into the study of defensive coloration. As motion breaks camouflage, a new challenge is to understand how prey avoid predators while moving around their environment, and if a moving p...
متن کاملThe Peripheral Flicker Illusion
A new illusion is reported. A visual object suddenly appearing on a red background sometimes causes an impression of flicker or double flash. In Experiment 1, a red, green, or blue object was presented on a red, green, blue, or gray background. Participants evaluated the illusion strength in reference to the physical flicker of a gray object presented in central vision. The results show that th...
متن کاملThe Response of the Flicker Fusion Threshold
Flicker fusion threshold (F.F.T.) means the frequency with which successive flashes of light must occur to just appear to the eye free from flicker. A simple portable machine is described which will deliver flashes of light at any required interval. Patients with hypertension or anemia have a lower than normal F.F.T.; furthermore, administration of nitroglycerin, 0.4 mg. sublingually, or papave...
متن کاملFlicker fusion in multiple sclerosis.
This paper is concerned with a study of thresholds of critical flicker fusion frequency (C.F.F.) of a light stimulus in patients suffering from multiple sclerosis. The capacity of normal human vision to appreciate the intermittency of rapidly repeated light stimuli is a function of great physiological interest, and it may be impaired by disease at many sites in the visual pathway. Thus Parsons ...
متن کاملCritical flicker fusion test of potential vision.
PURPOSE To continue developing a potential vision test based on the critical flicker fusion (CFF) phenomenon by using a brighter stimulus and optimizing its size. SETTING Flinders Eye Centre, Flinders Medical Centre, Flinders University, Bedford Park, South Australia, Australia. METHODS In a prospective nonrandomized study, 225 participants were assigned to 1 of 4 groups: normal, media opac...
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ژورنال
عنوان ژورنال: Biology Letters
سال: 2017
ISSN: 1744-9561,1744-957X
DOI: 10.1098/rsbl.2016.0831