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Brain Structure and Function

Erschienen in:

13.11.2021 | Review

Neurophysiological considerations for visual implants

verfasst von: Sabrina J. Meikle, Yan T. Wong

Erschienen in: Brain Structure and Function | Ausgabe 4/2022

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Abstract

Neural implants have the potential to restore visual capabilities in blind individuals by electrically stimulating the neurons of the visual system. This stimulation can produce visual percepts known as phosphenes. The ideal location of electrical stimulation for achieving vision restoration is widely debated and dependent on the physiological properties of the targeted tissue. Here, the neurophysiology of several potential target structures within the visual system will be explored regarding their benefits and downfalls in producing phosphenes. These regions will include the lateral geniculate nucleus, primary visual cortex, visual area 2, visual area 3, visual area 4 and the middle temporal area. Based on the existing engineering limitations of neural prostheses, we anticipate that electrical stimulation of any singular brain region will be incapable of achieving high-resolution naturalistic perception including color, texture, shape and motion. As improvements in visual acuity facilitate improvements in quality of life, emulating naturalistic vision should be one of the ultimate goals of visual prostheses. To achieve this goal, we propose that multiple brain areas will need to be targeted in unison enabling different aspects of vision to be recreated.

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Titel: Neurophysiological considerations for visual implants
verfasst von: Sabrina J. Meikle
Yan T. Wong
Publikationsdatum: 13.11.2021
Verlag: Springer Berlin Heidelberg
Erschienen in: Brain Structure and Function / Ausgabe 4/2022
Print ISSN: 1863-2653
Elektronische ISSN: 1863-2661
DOI: https://doi.org/10.1007/s00429-021-02417-2

Leitlinien kompakt für die Neurologie

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18.04.2024 | Arterielle Hypertonie | Nachrichten

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Live-Webinar: Aktuelle Leitlinien bei Herz-Kreislauf-Erkrankungen

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Neurophysiological considerations for visual implants

Abstract

Leitlinien kompakt für die Neurologie

Neu im Fachgebiet Neurologie

Antihypertensiva schützen auch alte Menschen noch vor Demenz

Spinale Muskelatrophie: Neugeborenen-Screening lohnt sich

Manche Gestagene können das Risiko für Meningeome erhöhen

Parkinson: Größere Studie bestätigt Genauigkeit von Hauttest

Update Neurologie

Live-Webinar: Aktuelle Leitlinien bei Herz-Kreislauf-Erkrankungen

Springer Medizin

Abstract

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