An international team of neuroscientists, anesthesiologists and other medical researchers has learned more about the changes that occur in brain neurotransmitter systems under the influence of psychedelics, anesthetics and ...
Investigators at Massachusetts General Hospital (MGH) and Massachusetts Institute of Technology (MIT) have identified for the first time a pattern of brain activity that appears to signal exactly when patients lose consciousness ...
Nov 5, 2012
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The cerebral cortex is thought to be the seat of conscious processing in the brain. Rather than being inactivated, specific cells in the cortex show higher spontaneous activity during general anesthesia than when awake, and ...
May 12, 2022
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Site 1 sodium channel blockers such as tetrodotoxin and saxitoxin are small-molecule drugs with powerful local anesthetic properties. They provide pain relief without toxic effects on local nerves and muscles, and are an ...
Sep 13, 2021
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Awakening from anesthesia is often associated with an initial phase of delirious struggle before the full restoration of awareness and orientation to one's surroundings. Scientists now know why this may occur: primitive consciousness ...
Apr 4, 2012
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(Medical Xpress) -- In a new study published in Nature, Lisa Monteggia from the University of Texas Southwestern Medical Center looks at how the drug ketamine, typically used as an anesthetic or a popular recreational drug ...
A visit to the dentist's office could provide a glimpse into your heart and brain health.
Aug 11, 2022
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The loss and return of consciousness is linked to the same network of brain regions for both sleep and anesthesia, according to new research published in JNeurosci.
Dec 28, 2020
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A new small-molecule drug produced a rapid antidepressant response similar to that of ketamine when tested in mice, a new Yale-led study published April 16 in the Journal of Clinical Investigation shows.
Apr 17, 2019
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Ketamine has been intensively studied in psychiatry in recent years. Unlike traditional antidepressants, ketamine brings about its antidepressant effects very rapidly. A recent study conducted at the University of Helsinki, ...
Mar 27, 2019
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