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 E-Mail Credit: Weizmann Institute of Science The brain is often likened to a computer: its hardware - neurons organized in complex circuits, its software - a plethora of codes that govern the neurons' behavior. But sometimes the brain performs exceptionally well even when its hardware seems inadequate for the task. For example, it's been puzzling how we and other mammals manage to navigate large-scale environments even though the brain's spatial perception circuits are seemingly suited to representing much smaller areas. A team of researchers from the Weizmann Institute of Science, led by P...

 E-Mail Using a brain-training app helps people eat less junk food and lose weight, new research suggests. The Food Trainer (FoodT app) trains people to tap on images of healthy foods - but to stop when they see unhealthy snacks, creating an association between these foods and stopping. The new study, by the universities of Exeter and Helsinki, found that playing the game about once a day for a month led to an average one-point reduction of junk food consumption on an eight-point scale (the scale ranges from four or more items per day, to one or zero items per month).

 E-Mail IMAGE: One thing bears and people have in common? Their love of a tasty snack. Here, a black bear wanders in the Ninemile Valley of Montana. view more  Credit: Charlie Durrant MISSOULA - In bear country, it's normal to find bruins munching down on temptations left out by humans - from a backyard apple tree to leftovers in the trash bin - but these encounters can cause trouble for humans and bears alike. One method to reduce human-bear conflicts is to secure attractants like garbage and livestock feed. While effective when implemented, this approach requires people to change...

Credit: Jacob Dwyer, Michigan Medicine Millions of surgical procedures performed each year would not be possible without the aid of general anesthesia, the miraculous medical ability to turn off consciousness in a reversible and controllable way. Researchers are using this powerful tool to better understand how the brain reconstitutes consciousness and cognition after disruptions caused by sleep, medical procedures requiring anesthesia, and neurological dysfunctions such as coma. In a new study published in the journal eLife, a team led by anesthesiologists George Mashour, M.D., Ph.D. of Uni...

Sleep scientists assessed how effective caffeine was in counteracting the negative effects of sleep deprivation on cognition.