2017
DOI: 10.1016/j.neuron.2016.12.027
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Modulation of Fast Narrowband Oscillations in the Mouse Retina and dLGN According to Background Light Intensity

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Cited by 81 publications
(130 citation statements)
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“…The significance of this arrangement for form vision is not clear. Melanopsin’s accepted function is to encode irradiance, and it has recently been shown that melanopsin adjusts activity in the dLGN according to background (ambient) light [10, 11]. Is that the extent of its contribution to thalamocortical vision?…”
Section: Resultsmentioning
confidence: 99%
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“…The significance of this arrangement for form vision is not clear. Melanopsin’s accepted function is to encode irradiance, and it has recently been shown that melanopsin adjusts activity in the dLGN according to background (ambient) light [10, 11]. Is that the extent of its contribution to thalamocortical vision?…”
Section: Resultsmentioning
confidence: 99%
“…Melanopsin knockout mice have deficits in spatial contrast sensitivity [12], but none of the published physiology indicates that melanopsin has the high contrast sensitivity required for this effect to originate with a direct contribution to encoding patterns, and the effect could plausibly be secondary to more general deficits in visual development and/or function in this genotype [10, 11, 13, 14, 15, 16, 17]. Conversely, while human patients and animal models of advanced rod+cone degeneration have at best rudimentary form vision [18, 19, 20], as ipRGCs are recipients of rod/cone signals their activity would be fundamentally altered in such preparations.…”
Section: Resultsmentioning
confidence: 99%
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“…In V1, we also observed a second prominent narrowband gamma rhythm around 55–65 Hz that was enhanced by luminance but suppressed by stimuli of increasing size and contrast, modulated by brain state, and not reliant on SOM cell activity. Since this rhythm does not depend on contrast in the visual stimulus 14 and may arise in the retina 3335 , it is not clear what its specific role is in cortical processing. We do note that while locomotion and brain state are known to have profound effects on V1 activity 13,36 , we did not observe any difference of the impact of SOM or PV suppression on gamma power between quiescent and running conditions (Suppl.…”
Section: Discussionmentioning
confidence: 99%