Study: Cannabinoids Enhances Visual Responses

Vision1A new study being published in the next issue of the journal eLife, and published online ahead of print by the U.S. National Institute of Health, has found that cannabinoids can enhance visual responses.

“Type 1 cannabinoid receptors (CB1Rs) are widely expressed in the vertebrate retina but the role of endocannabinoids in vision is not fully understood”, the study’s abstract begins. “Here we identified a novel mechanism underlying a CB1R-mediated increase in retinal ganglion cell (RGC) intrinsic excitability acting through AMPK-dependent inhibition of NKCC1 activity.”

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Babies Exposed to Cannabis in the Womb Have Better Vision by Age 4, Finds New Study

babyBabies exposed to cannabis in the womb show a significant improvement in their ability to track moving objects at age four, according to a study published in the most recent issue of the journal Scientific Reports.

“We were surprised with this initial finding,” says Ben Thompson, a professor at the University of Waterloo’s School of Optometry and Vision Science. “It shows that marijuana and alcohol can have quite an impact on a fundamental aspect of the visual processing happening in our brains.”

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