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Effects of general anesthetics on the brain

… or “nociception,” which would be sensed as pain during consciousness. Dedicated to establishing a rigorous … brain rhythms, as evidenced in the EEG measurements, alter consciousness, memory, motor function and nociception. … between the regions become disrupted before loss of consciousness followed by peaks of gamma rhythms around loss …

Are covid ‘comas’ signs of a protective hibernation state?

November 07, 2022

… with mechanical ventilation have been slow to regain consciousness even after being taken off sedation. A new … (PDS) in humans that results in prolonged recovery of consciousness in severe COVID-19 patients following cessation … human form of PDS that may underlie prolonged recovery of consciousness following treatment for severe Covid-19 or …

EEG monitoring of anesthesia

… delivery systems, which can automatically assess consciousness level and assist anesthesiologists by finely adjusting drug dose to maintain a desired consciousness level. In a 2023 study in PNAS Nexus, t he … system enabled more than 18 hours of fine-grained consciousness control over the course of nine anesthesia …

Anesthesia technology precisely controls unconsciousness in animal tests

October 31, 2023

… Nevertheless, the practice of maintaining dose rather than consciousness level is common because most anesthesiologists … that the system enabled more than 18 hours of fine-grained consciousness control over the course of nine anesthesia … which determines how much drug is needed to alter consciousness and how fast a given dose will have that …

To understand working memory, scientists must resolve this debate

August 08, 2018

… of information in mind? working memory prefrontal cortex consciousness synapse oscillations cognitive neuroscience … Earl Miller . “Working memory is the sketchpad of consciousness. Doesn’t everyone want to know how our …

Statistical model defines ketamine anesthesia’s effects on the brain

September 03, 2021

… patients experience under ketamine-induced anesthesia. consciousness anesthesia EEG … means of achieving unconsciousness seems to suggest that consciousness is a state that can be lost in multiple ways, …

Neuroscientists look to the body to better understand the brain

July 01, 2019

… have used such apparently non-neural bellwethers to assess consciousness in patients. But that’s where the surprise … Meanwhile, because many of these drugs also reduce consciousness, he can radically scale back the amount of drug … nociception,” he said. In the OR, Brown carefully monitors consciousness in the brain by reading out EEGs (another …

Focus on neuroscience, nociception to improve anesthesia, paper says

September 30, 2018

… improve post-operative pain, side effects anesthesia EEG consciousness Pain and Nociception … said, rather than a single drug that primarily affects consciousness. “Because these [single drug approaches] …

New study reveals how brain waves control working memory

January 26, 2018

… thought, Miller says. “ Working memory is the sketchpad of consciousness, and it is under our control. We choose what to …

At AAAS, Brown explains how statistics, neuroscience improve anesthesiology

February 16, 2018

… Putting the brain at the center of practice anesthesia consciousness EEG neural systems arousal It’s intuitive that … to discern variations in EEGs with different states of consciousness in patients who had received propofol. “If we … the patient’s brain when monitoring and maintaining their consciousness during surgery. 39 28 13 Small Image in Place …