Results 111 to 120 of about 1,734,374 (297)
Integration of visual stimuli by the crayfish central nervous system [PDF]
, 1967 For the crayfish, properties of visually reacting interneurone types in the optic nerve are described on the basis of single-unit analysis. Sustaining fibres show: (a) ‘surround’ inhibition over the whole retina, including the excitatory field; (b) ‘on’
Wiersma, C. A. G., Yamaguchi, T.
core
Journal of Applied Clinical Medical Physics, EarlyView.Abstract Purpose Cardiac motion may degrade dose distribution during stereotactic arrhythmia radioablation using the CyberKnife system, a robotic radiosurgery system. This study evaluated the dose distribution changes using a self‐made cardiac dynamic platform that mimics cardiac motion. Methods The cardiac dynamic platform was operated with amplitudes
Takayuki Miyachi +6 more
wiley +1 more source
Visual field examination method using virtual reality glasses compared with the Humphrey perimeter
Clinical Ophthalmology, 2017 Stylianos Tsapakis, Dimitrios Papaconstantinou, Andreas Diagourtas, Konstantinos Droutsas, Konstantinos Andreanos, Marilita M Moschos, Dimitrios Brouzas 1st Department of Ophthalmology, National and Kapodistrian University of Athens, Athens, Greece ...
Tsapakis S +6 more
doaj
Glaucoma suspects: A practical approach
Taiwan Journal of Ophthalmology, 2018 Glaucoma suspects are controversial clinical dilemmas. These individuals harbor certain risk factors or demonstrate some clinical features suggestive of an increased probability to develop glaucomatous optic atrophy in the future.
Syed Shoeb Ahmad
doaj +1 more source
Retargeting Visual Data with Deformation Fields
, 2023 Seam carving is an image editing method that enable content-aware resizing, including operations like removing objects. However, the seam-finding strategy based on dynamic programming or graph-cut limits its applications to broader visual data formats ...
Berger, Julia +5 more
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Perceived length in the central visual field: evidence for visual field asymmetries
Vision Research, 2001 Visual performance for judging the length of a simultaneously presented pair of radial lines, reciprocally opposed by 180 degrees at a central fixation point, was assessed for 24 radial positions of test lines, for three viewing conditions (binocular, left and right monocular) and five different standard line sizes (1.43-7.13 degrees ).
Jocelyn Faubert, Sérgio Sheiji Fukusima
openaire +3 more sources
Multi‐institutional study on image quality for a novel CBCT solution on O‐ring linac
Journal of Applied Clinical Medical Physics, EarlyView.Abstract Introduction This work presents a multi‐institutional study on image quality provided by a novel cone beam computed tomography (CBCT). The main goal is to investigate the consistency of imaging performance across multiple institutions.
Luis Agulles‐Pedrós +11 more
wiley +1 more source
Feasibility of Computerized Visuomotor Integration System for Visual Field Defects and Spatial Neglect in Poststroke Patients [PDF]
Annals of Rehabilitation MedicineObjective To develop a computerized visuomotor integration system for assessment and training of visual perception impairments and evaluate its safety and feasibility in patients with a stroke. Visual field defects and spatial neglect lead to substantial
Hyeon-Taek Hong +2 more
doaj +1 more source
How Does the Cerebral Cortex Work? Developement, Learning, Attention, and 3D Vision by Laminar Circuits of Visual Cortex [PDF]
, 2003 A key goal of behavioral and cognitive neuroscience is to link brain mechanisms to behavioral functions. The present article describes recent progress towards explaining how the visual cortex sees.
Grossberg, Stephen
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