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Mood, the Circadian System, and Melanopsin Retinal Ganglion Cells
Mood, Body Clock, and Light-Sensing Cells in the Eye
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Abstract
The identification of intrinsically photosensitive retinal ganglion cells (ipRGCs) has transformed understanding of light's role in non-vision functions.
- ipRGCs play a significant role in regulating biological rhythms beyond traditional vision-related functions.
- Light exposure is associated with effects on mood that may not directly involve circadian disruption.
- A new model suggests mood regulation by light is mediated through mechanisms dependent on ipRGCs, rather than solely through circadian pathways.
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