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Showing 1-20 of 657 results

  1. Circadian rhythm, ipRGCs, and dopamine signalling in myopia

    Myopia, a common ophthalmic disorder, places a high economic burden on individuals and society. Genetic and environmental factors influence myopia...

    Licheng Li, Yang Yu, ... Jianmin Hu in Graefe's Archive for Clinical and Experimental Ophthalmology
    Article 21 October 2023

  3. A melanopsin ganglion cell subtype forms a dorsal retinal mosaic projecting to the supraoptic nucleus

    Visual input to the hypothalamus from intrinsically photosensitive retinal ganglion cells (ipRGCs) influences several functions including circadian...

    Michael H. Berry, Michael Moldavan, ... Benjamin Sivyer in Nature Communications
    Article Open access 17 March 2023

  4. Increase in choroidal thickness after blue light stimulation of the blind spot in young adults

    Background

    Blue light activates melanopsin, a photopigment that is expressed in intrinsically photosensitive retinal ganglion cells (ipRGCs). The...

    Hosein Hoseini-Yazdi, Scott A. Read, ... Tim Schilling in Bioelectronic Medicine
    Article Open access 03 June 2024

  5. Blue-light background impairs visual exogenous attention shift

    Previous research into the effects of blue light on visual-spatial attention has yielded mixed results due to a lack of properly controlling critical...

    Chien-Chun Yang, Sei-ichi Tsujimura, Su-Ling Yeh in Scientific Reports
    Article Open access 07 March 2023

  6. Synaptic inputs to displaced intrinsically-photosensitive ganglion cells in macaque retina

    Ganglion cells are the projection neurons of the retina. Intrinsically photosensitive retinal ganglion cells (ipRGCs) express the photopigment...

    Andrea S. Bordt, Sara S. Patterson, ... David W. Marshak in Scientific Reports
    Article Open access 07 September 2022

  7. The cognitive impact of light: illuminating ipRGC circuit mechanisms

    Ever-present in our environments, light entrains circadian rhythms over long timescales, influencing daily activity patterns, health and performance....

    Heather L. Mahoney, Tiffany M. Schmidt in Nature Reviews Neuroscience
    Article 26 January 2024

  8. Prefrontal cortex neurons encode ambient light intensity differentially across regions and layers

    While light can affect emotional and cognitive processes of the medial prefrontal cortex (mPFC), no light-encoding was hitherto identified in this...

    Elyashiv Zangen, Shira Hadar, ... Shai Sabbah in Nature Communications
    Article Open access 29 June 2024

  9. An ethologically relevant paradigm to assess defensive response to looming visual contrast stimuli

    In the animal kingdom, threat information is perceived mainly through vision. The subcortical visual pathway plays a critical role in the rapid...

    Juan S. Calanni, Marcos L. Aranda, ... Ruth E. Rosenstein in Scientific Reports
    Article Open access 31 May 2024

  10. Intrinsically Photosensitive Retinal Ganglion Cells: Assessment of Their Influence on Pupillary Responses in Primates

    Pupillary responses in primates are driven by melanopsin-containing, intrinsically photosensitive retinal ganglion cells (ipRGCs) that project to the...
    Paul D. Gamlin in Circadian Clocks
    Protocol 2022

  11. Patch-Clamp Electrophysiological Analysis of Murine Melanopsin Neurons

    Intrinsically photosensitive retinal ganglion cells (ipRGCs) regulate diverse aspects of mammalian physiology, including the synchronization of...
    Michael Tri Hoang Do in Circadian Clocks
    Protocol 2022

  12. Brightness perception under photopic conditions: experiments and modeling with contributions of S-cone and ipRGC

    In 1924, the CIE published and standardized the photopic luminous efficiency function. Based on the standardized curve, luminous flux in lumens,...

    Tran Quoc Khanh, Peter Bodrogi, ... Trinh Quang Vinh in Scientific Reports
    Article Open access 04 September 2023

  13. Intrinsisch photosensitive retinale Ganglienzellen

    Background

    Melanopsin-expressing intrinsically photosensitive retinal ganglion cells (ipRGC) area third class of photoreceptors in the retina in...

    Leonie Kinder, Teele Palumaa, Moritz Lindner in Der Ophthalmologe
    Article Open access 04 August 2021

  14. The retinal ipRGC-preoptic circuit mediates the acute effect of light on sleep

    Light regulates daily sleep rhythms by a neural circuit that connects intrinsically photosensitive retinal ganglion cells (ipRGCs) to the circadian...

    Ze Zhang, Corinne Beier, ... Samer Hattar in Nature Communications
    Article Open access 25 August 2021

  15. Smartphone-Based Pupillometer with Chromatic Stimuli to Screen Neuro-Ophthalmological Diseases

    Pupillometry technique has gained an increased interest over the years as it allows to objectively assess patient’s consciousness and...
    Ana Isabel Sousa, Carlos Marques Neves, Pedro Vieira in 5th International Conference on Nanotechnologies and Biomedical Engineering
    Conference paper 2022

  16. In search of blue-light effects on cognitive control

    People are constantly exposed to blue light while engaging in work. It is thus crucial to understand if vast exposure to blue light influences...

    Hsing-Hao Lee, Yun-Chen Tu, Su-Ling Yeh in Scientific Reports
    Article Open access 29 July 2021

  17. Molecular determinants of response kinetics of mouse M1 intrinsically-photosensitive retinal ganglion cells

    Intrinsically-photosensitive retinal ganglion cells (ipRGCs) are non-rod/non-cone retinal photoreceptors expressing the visual pigment, melanopsin,...

    Yanghui Sheng, Lu**g Chen, ... King-Wai Yau in Scientific Reports
    Article Open access 06 December 2021

  18. Melanopic stimulation does not alter psychophysical threshold sensitivity for luminance flicker

    In addition to the rod and cone photoreceptors the retina contains intrinsically photosensitive retinal ganglion cells (ipRGCs). These cells express...

    Joris Vincent, Edda B. Haggerty, ... Geoffrey K. Aguirre in Scientific Reports
    Article Open access 11 October 2021

  19. Identification of long noncoding RNAs in injury-resilient and injury-susceptible mouse retinal ganglion cells

    Background

    Emerging evidence indicates that long noncoding RNAs (lncRNAs) are important regulators of various biological processes, and their...

    Ana C. Ayupe, Felipe Beckedorff, ... Kevin K. Park in BMC Genomics
    Article Open access 14 October 2021

  20. Effects of Post-awakening Light Exposure on Heart Rate Variability in Healthy Male Individuals

    Light-induced effects on the autonomic nervous system (ANS) are assumed to be mediated by retinal projections to the hypothalamic suprachiasmatic...

    Katja Petrowski, Liza Mekschrat, ... Bjarne Schmalbach in Applied Psychophysiology and Biofeedback
    Article Open access 27 March 2023
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