منابع مشابه
Warm Eyes Provide Superior Vision in Swordfishes
Large and powerful ocean predators such as swordfishes, some tunas, and several shark species are unique among fishes in that they are capable of maintaining elevated body temperatures (endothermy) when hunting for prey in deep and cold water . In these animals, warming the central nervous system and the eyes is the one common feature of this energetically costly adaptation . In the swordfish (...
متن کاملPulmonary hypertension with warm hands
A 19-year-old woman of Moroccan descent presented with severe dyspnoea on exertion. She had difficulty walking stairs (New York Heart Association functional class 3) and accompanying symptoms included fatigue, palpitations and near collapse. She had no cough or wheezing, but mentioned severe and continuous menstrual bleeds since menarche without use of contraceptives. Her medical history includ...
متن کاملGrasping with the eyes.
When observing someone else acting on an object, people implement goal-specific eye movement programs that are driven by their own motor representation of the observed action. Usually, however, we observe people acting in contexts where more objects, different in shape and size, are present. Is our brain able to select the intended target even when there are different objects in the visual scen...
متن کاملQuantification of retinal nerve fiber layer thickness in normal eyes, eyes with ocular hypertension, and glaucomatous eyes with SD-OCT.
BACKGROUND AND OBJECTIVE To quantitatively evaluate and compare retinal nerve fiber layer (RNFL) thickness between normal eyes, eyes with ocular hypertension (OHT), and glaucomatous eyes in an Indian population using spectral domain optical coherence tomography (SD-OCT). PATIENTS AND METHODS Average and quadrant RNFL values were compared among three groups (66 normal eyes, 55 OHT eyes, and 51...
متن کاملVisual Encoding with Jittering Eyes
Under natural viewing conditions, small movements of the eye and body prevent the maintenance of a steady direction of gaze. It is known that stimuli tend to fade when they are stabilized on the retina for several seconds. However, it is unclear whether the physiological self-motion of the retinal image serves a visual purpose during the brief periods of natural visual fixation. This study exam...
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ژورنال
عنوان ژورنال: Review of Polarography
سال: 2016
ISSN: 0034-6691,1884-7692
DOI: 10.5189/revpolarography.62.1