September 9, 2024 by University of Michigan Schematic illustration of the primary conclusion. Credit: Nature Communications (2024). DOI: 10.1038/s41467-024-51837-1In hospital operating rooms and intensive care units, propofol is a drug of choice, widely used to sedate patients for their comfort or render them fully unconscious for invasive procedures. Propofol works quickly and is tolerated well...
Tag: <span>Consciousness</span>
How the brain’s inner chamber governs our state of consciousness
News Release 9-Sep-2024 University of Michigan researchers use propofol to uncover the interactions between the thalamus and cortex that underlie consciousness Peer-Reviewed PublicationMichigan Medicine – University of Michigan In hospital operating rooms and intensive care units, propofol is a drug of choice, widely used to sedate patients for their comfort or render them fully unconscious...
Understanding Consciousness Goes Beyond Exploring Brain Chemistry
We can account for the evolution of consciousness only if we crack the philosophy, as well as the physics, of the brain By Philip Goff on November 7, 2023 The science of consciousness has not lived up to expectations. Over the summer, the neuroscientist Christof Koch conceded defeat on his 25-year bet with the philosopher David Chalmers, a...
Source of hidden consciousness in ‘comatose’ brain injury patients found
by Columbia University Irving Medical Center Hidden consciousness researchers Qi Shen, left, Angela Velasquez, center, and Jan Claassen. Credit: Rudy Diaz / Columbia University Irving Medical Center Columbia researchers have identified brain injuries that may underlie hidden consciousness, a puzzling phenomenon in which brain-injured patients are unable to respond to simple commands, making them appear unconscious despite having some level...
Brain modelling used to identify necessary circuits of consciousness
HUMAN BRAIN PROJECT IMAGE: RESPONSE DIFFERENCES IN BRAIN CIRCUITS WHEN BROADCASTING (TOP ROW) OR RECEIVING SIGNALS (BOTTOM ROW). LEFT: HEALTHY CONTROLS; MIDDLE: UNRESPONSIVE WAKEFULNESS; RIGHT: MINIMALLY CONSCIOUS CREDIT: R. PANDA Researchers of the Human Brain Project have used a model-based approach to identify the brain circuits implicated in consciousness. The results of the study, a...
In a world where AI’s impact is growing, exactly what is consciousness?
by Margaret Crable, University of Southern California Credit: Pixabay/CC0 Public Domain Rumors of artificial intelligence becoming sentient abound. In July of 2022, a Google engineer claimed that an AI chatbot he was working with had become self-aware. The same AI recently passed the Turing Test, once considered the gold standard for determining if something was human. Uncertainty about...
Geometry of brain, dimensions of mind: Researchers identify new ways to characterize states of consciousness
by Kelly Malcom, University of Michigan Schematic illustration of three working hypotheses. Hypothesis 1: Dimensions of consciousness are encoded in multiple neurofunctional dimensions of the brain. Hypothesis 2: Cortical gradients construct a virtual multidimensional space, in which canonical functional brain networks occupy characteristic positions. Hypothesis 3: Brain network functional geometry shapes dynamic brain states. Credit: Nature...
Researcher offers new explanation for consciousness
by Boston University School of Medicine Credit: Pixabay/CC0 Public Domain Consciousness is your awareness of yourself and the world around you. This awareness is subjective and unique to you. A Boston University Chobanian & Avedisian School of Medicine researcher has developed a new theory of consciousness, explaining why it developed, what it is good for, which...
A new theory in physics claims to solve the mystery of consciousness
by Bar-Ilan University Credit: Pixabay/CC0 Public Domain How do 1.4 kg of brain tissue create thoughts, feelings, mental images, and an inner world? The ability of the brain to create consciousness has baffled some for millennia. The mystery of consciousness lies in the fact that each of us has subjectivity, something that is like to...
Delayed recovery of consciousness is common for COVID patients on respirators
COLUMBIA UNIVERSITY IRVING MEDICAL CENTER March 15, 2022—Most patients with severe COVID who are put on ventilators regain consciousness following removal of respiratory support, but recovery may take weeks after the period of mechanical ventilation has ended, according to a new multicenter study. The study also found that patients took longer to recover consciousness the...
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