“At a cellular level, the connection between RSP and SC is wired up in an intelligent manner that allows it to exploit the local organisation of inhibitory and excitatory SC neurons to inject the shelter memory into the SC. The … Read more
Living for the moment gets a bad rap. If you’re smart, people say, you should work toward a good future, sacrificing fun and pleasure in the present. Yet there are good reasons to discount the future, which is why economists … Read more
When the blackbird flew out of sight, It marked the edge Of one of many circles. BLACKBIRDS AREN’T ALL BLACK. They can be red-winged or red-shouldered, saffron-cowled or tricolored, rusty or yellow-hooded or chestnut-capped. And that’s just the members of … Read more
Brain imaging is an important tool as researchers try to understand the effects of psychedelic drugs.Credit: Baranoz Demir/Getty In a 1964 book, The Psychedelic Experience, psychologists Timothy Leary, Ralph Metzner and Richard Alpert wrote1 that a psychedelic drug is like … Read more
When our phones and computers run out of power, their glowing screens go dark and they die a sort of digital death. But switch them to low-power mode to conserve energy, and they cut expendable operations to keep basic processes … Read more
Google “energy for neuron firing” and you get: In final, the energy supply to a neuron by ATP during one action potential is 2.468 × 10^−7 J This means that assuming the brain is drawing 20W, that’s 81M firing events … Read more
NEWS 06 April 2022 Based on more than 120,000 brain scans, the charts are still preliminary. But researchers hope they could one day be used as a routine clinical tool by physicians. Max Kozlov Max Kozlov You have full access … Read more
“Creating these brain charts has involved multiple technical feats and a large team of collaborators,” said Dr Jakob Seidlitz, Lifespan Brain Institute, Children’s Hospital of Philadelphia and University of Pennsylvania. “With brain imaging data, things are a bit more complicated … Read more
In its final stages, the neurological disease amyotrophic lateral sclerosis (ALS) can bring extreme isolation. People lose control of their muscles, and communication may become impossible. But with the help of an implanted device that reads his brain signals, a … Read more
INTRODUCTION Considering the global increase in consumption of simple sugars, the World Health Organization published guidelines that addressed concerns regarding body weight gain and dental caries development in 1995 (1). High sugar intake alone increases the risks of numerous chronic … Read more