Results 11 to 20 of about 57,391 (300)
Ultrasound stimulation for non-invasive visual prostheses
Frontiers in Cellular Neuroscience, 2022 Globally, it is estimated there are more than 2.2 billion visually impaired people. Visual diseases such as retinitis pigmentosa, age-related macular degeneration, glaucoma, and optic neuritis can cause irreversible profound vision loss. Many groups have
Jaya Dilip Badadhe +9 more
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Visual cortical prosthesis: an electrical perspective [PDF]
Journal of Medical Engineering & Technology, 2020 The electrical stimulation of the visual cortices has the potential to restore vision to blind individuals. Until now, the results of visual cortical prosthetics has been limited as no prosthesis has restored a full working vision but the field has shown a renewed interest these last years thanks to wireless and technological advances. However, several
Léo Pio-Lopez +2 more
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Visual Prosthesis: Artificial Vision [PDF]
Medical Journal Armed Forces India, 2009 In the normal visual pathway, light travels through the tear film, cornea, aqueous, pupil, lens, and vitreous, to activate the light sensitive photoreceptors and set up the trans-synaptic connections of the retina (Fig. 1). In cases where there is gross destruction of the eye like phthisis bulbi, restoration of vision is not possible. But in conditions
A, Banarji +5 more
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Programmable active pixel sensor to investigate neural interactions within the retina [PDF]
, 2009 Detection of the visual scene by the eye and the resultant neural interactions of the retina-brain system give us our perception of sight. We have developed an Active Pixel Sensor (APS) to be used as a tool for both furthering understanding of these ...
Hart MD +5 more
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IEEE Transactions on Biomedical Engineering, 2016 Glaucoma is a neurological disorder leading to blindness initially through the loss of retinal ganglion cells, followed by loss of neurons higher in the visual system. Some work has been undertaken to develop prostheses for glaucoma patients targeting tissues along the visual pathway, including the lateral geniculate nucleus (LGN) of the thalamus, but ...
Hieu T. Nguyen +6 more
openaire +4 more sources
PLoS ONE, 2021 Electrical stimulation involving visual areas of the brain produces artificial light percepts called phosphenes. These visual percepts have been extensively investigated in previous studies involving intracortical microsimulation (ICMS) and serve as the ...
Adonay N Gebrehiwot +2 more
doaj +1 more source
A robot hand testbed designed for enhancing embodiment and functional neurorehabilitation of body schema in subjects with upper limb impairment or loss. [PDF]
, 2015 Many upper limb amputees experience an incessant, post-amputation "phantom limb pain" and report that their missing limbs feel paralyzed in an uncomfortable posture.
Eric eChang +5 more
core +2 more sources
Journal of NeuroEngineering and Rehabilitation, 2019 Background Establishing gait symmetry is a major aim of amputee rehabilitation and may be more attainable with powered prostheses. Though, based on previous work, we postulate that users transfer a previously-learned motor pattern across devices ...
Andrea Brandt +4 more
doaj +1 more source
The Argus-II Retinal Prosthesis Implantation; From the Global to Local Successful Experience
Frontiers in Neuroscience, 2018 Over the past few years, visual prostheses (namely, Argus II retinal implant) and gene therapy have obtained FDA approval in treating blindness resulting from retinitis pigmentosa.
Mohsen Farvardin +11 more
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How should we assess the mechanical properties of lower-limb prosthesis technology used in elite sport?: An initial investigation [PDF]
, 2013 Despite recent controversy, it is not yet formally recognised how lower-limb prosthesis should be assessed for their performance. To assist in this process, experiments are undertaken to investigate the linearity, stiffness and assessment of feet based ...
Dyer, Bryce T.J. +2 more
core +1 more source