Results 21 to 30 of about 522,726 (295)

Neural ensemble decoding reveals a correlate of viewer- to object-centered spatial transformation in monkey parietal cortex [PDF]

open access: yes, 2008
The parietal cortex contains representations of space in multiple coordinate systems including retina-, head-, body-, and world-based systems. Previously, we found that when monkeys are required to perform spatial computations on objects, many neurons in
Averbeck, BB, Chafee, MV, Crowe, DA
core   +1 more source

Sphingolipids as emerging mediators in retina degeneration [PDF]

open access: yes, 2019
The sphingolipids ceramide (Cer), sphingosine-1-phosphate (S1P), sphingosine (Sph), and ceramide-1-phosphate (C1P) are key signaling molecules that regulate major cellular functions.
Prado Spalm, Facundo Heber   +3 more
core   +1 more source

Simulation and performance of an artificial retina for 40 MHz track reconstruction [PDF]

open access: yes, 2014
We present the results of a detailed simulation of the artificial retina pattern-recognition algorithm, designed to reconstruct events with hundreds of charged-particle tracks in pixel and silicon detectors at LHCb with LHC crossing frequency of $40\,\rm
Abba, A.   +14 more
core   +3 more sources

Streaming an image through the eye: The retina seen as a dithered scalable image coder [PDF]

open access: yes, 2012
We propose the design of an original scalable image coder/decoder that is inspired from the mammalians retina. Our coder accounts for the time-dependent and also nondeterministic behavior of the actual retina.
Antonini, Marc   +2 more
core   +6 more sources

Central serous retinopathy associated with topical oral corticosteroid use: a case report

open access: yesJournal of Medical Case Reports, 2019
Background Oral topical corticosteroid gels are widely used in dental medicine. Case studies of central serous retinopathy have been reported following administration of corticosteroids, but none so far coinciding with the use of topical fluocinonide gel.
Preston O’Brien   +4 more
doaj   +1 more source

Retinal OCT findings in acute central retinal artery occlusion of varying severity at different disease stages – a retrospective, observational study

open access: yesInternational Journal of Retina and Vitreous, 2023
Purpose To study the optical coherence tomography (OCT) changes in eyes with acute central retinal artery occlusion (CRAO) of different severity and at different disease stages. Methods The study included acute CRAO cases of
Rubble Mangla   +7 more
doaj   +1 more source

Monoaminergic modulation of photoreception in ascidian:evidence for a proto-hypothalamo-retinal territory [PDF]

open access: yes, 2012
Background : The retina of craniates/vertebrates has been proposed to derive from a photoreceptor prosencephalic territory in ancestral chordates, but the evolutionary origin of the different cell types making the retina is disputed.
Brown, Euan R   +7 more
core   +5 more sources

Organization of the dorsal lateral geniculate nucleus in the mouse [PDF]

open access: yes, 2017
The dorsal lateral geniculate nucleus (dLGN) of the thalamus is the principal conduit for visual information from retina to visual cortex. Viewed initially as a simple relay, recent studies in the mouse reveal far greater complexity in the way input from
Guido, William, Kerschensteiner, Daniel
core   +2 more sources

Evaluation of baseline optic disc pit and optic disc coloboma maculopathy features by spectral domain optical coherence tomography

open access: yesInternational Journal of Retina and Vitreous, 2023
Purpose The aim of this study is to describe and compare the baseline demographic, ocular, and imaging characteristics of a cohort of patients with optic disc pit (ODP) or optic disc coloboma (ODC) maculopathy.
Vishma Prabhu   +8 more
doaj   +1 more source

A Comparative Analysis of Use of Google Glass versus. GoPro Intraoperative Video Recording of Scleral Buckle Surgery

open access: yesJournal of Academic Ophthalmology, 2021
Importance The scleral buckle technique is difficult to teach, given a decrease in the frequency of its use and the challenges of its video recording. Background This study compares two different modalities for recording intraoperative videos ...
Rebecca R. Soares   +4 more
doaj   +1 more source

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