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General anesthesia and normal sleep affect brain in an amazingly similar way as consciousness fades -- Science of the Spirit -- Sott net

Mon, 28 Dec 2020 17:36 UTC © University of TurkuWhat happens in the brain when our conscious awareness of the surrounding world and of ourselves fades during general anesthesia and normal sleep? This fundamental question was studied with novel experimental designs and functional brain imaging by Finnish scientists. They succeeded in separating the specific changes related to consciousness from the more widespread overall effects, commonly misinterpreted as the neural correlates of consciousness. The effects of anesthesia and sleep on brain activity turned out to be surprisingly similar. These novel findings point to a common central core brain network that is fundamental for human consciousness.

Imaging the twilight zone

 E-Mail IMAGE: Differences in brain activity between connected and disconnected states of consciousness studied with positron emission tomography (PET) imaging. Activity of the thalamus, anterior (ACC) and posterior cingulate cortices (PCC), and. view more  Credit: University of Turku What happens in the brain when our conscious awareness fades during general anesthesia and normal sleep? Finnish scientists studied this question with novel experimental designs and functional brain imaging. They succeeded in separating the specific changes related to consciousness from the more widespread overall effects, and discovered that the effects of anesthesia and sleep on brain activity were surprisingly similar. These novel findings point to a common central core brain network fundamental for human consciousness.

Covid vaccine rolls out in Tampere, Turku, Kuopio and Oulu

Covid vaccine rolls out in Tampere, Turku, Kuopio and Oulu A vaccinologist told Yle that if all goes to plan, Finland could reach herd immunity during the summer. On Monday specialist physician Mervi Mendiluce was the first health care worker in the Pirkanmaa region to receive the first of two coronavirus vaccine doses in Tampere. Image: Kalle Parkkinen / Lehtikuva Finland s rollout of the coronavirus vaccine continued on Monday in the cities of Turku, Tampere, Kuopio and Oulu, where healthcare providers were first in line to be vaccinated. Healthcare workers from the Helsinki University Hospital District (HUS) began receiving the vaccine on Sunday. Staff members who first received jabs care for Covid-19 patients in regular and ICU hospital wards, as well as those who may encounter people with coronavirus infections at urgent care units.

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