'Connector hubs' are the champions of brain coordination Swinging a bat at a 90-mph fastball requires keen visual, cognitive and motor skills. But how do diverse brain networks coordinate well enough to hit the ball? The human brain's aptitude and versatility can be credited in large part to 'connector hubs,' which filter and route information.
How cocaine changes the brain The burst of energy and hyperactivity that comes with a cocaine high is a rather accurate reflection of what's going on in the brain of its users, finds a study. Through experiments conducted in rats exposed to cocaine, the researchers mapped out the network of circuits that cause wild firing of neurons that produce dopamine. The findings also help explain how cocaine use eventually leads to desensitization
White matter damage caused by 'skunk-like' cannabis,Smoking high potency 'skunk-like' cannabis can damage a crucial part of the brain responsible for communication between the two brain hemispheres.
Even the elderly can recover from a severe traumatic brain injury Even patients over the age of 75 may recover from severe traumatic brain injury.This is the first study to describe the results of surgically treated elderly patients with acute subdural hematomas.
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