ArticleScientific reports2017
Age-related changes in the spatiotemporal responses to electrical stimulation in the visual cortex of rats with progressive vision loss.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 12 citations in OpenAlex.
- Chronic alteration of CaBiomaterials · 2026Article
- Chronic alteration of CabioRxiv : the preprint server for biology · 2025Article
- Perceptual Visual Acuity Declines With Age in a Rat Model of Retinitis Pigmentosa While Light Perception is Maintained.Investigative ophthalmology & visual science · 2025Article
- Optimal interphase delay in biphasic current pulses facilitates neural circuit activation induced by microstimulation in the mouse visual cortex.Frontiers in neuroscience · 2025Article
- Activation and depression of neural and hemodynamic responses induced by the intracortical microstimulation and visual stimulation in the mouse visual cortex.Journal of neural engineering · 2024Article
- Behavioral paradigm for the evaluation of stimulation-evoked somatosensory perception thresholds in rats.Frontiers in neuroscience · 2023Article
- Multichannel stimulation module as a tool for animal studies on cortical neural prostheses.Frontiers in medical technology · 2022Article
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Royal College of Surgeons (RCS) rat gradually loses vision due to retinal degeneration. Previous physiological studies have depicted the progressive loss of optical responses in the visual pathway, including the primary visual cortex (V1), over the course of retinal degeneration in the RCS rat. However, little is known about how the excitability of the V1 circuit changes during over the course of the gradual loss of visual signal input from the retina. We elucidated the properties of responses to electrical stimulations directly applied to V1 at different stages of vision input loss in the RCS rat in reference to those of the Long-Evans (LE) rat, using in vivo voltage-sensitive dye imaging. The V1 neuronal network of the RCS rat exhibited an excitatory response comparable to the LE rat. The excitatory response was maintained even long after total loss of the visual signal input from the retina. However, the response time-course suggested that the suppressive response was somewhat debilitated in the RCS rat. This is the first experiment demonstrating the long-term effect of retinal degeneration on cortical activities. Our findings provide the physiological fundamentals to enhance the preclinical research of cortical prostheses with the use of the RCS rat.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.