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Surprising network activity in the immature brain

One of the outstanding mysteries of the cerebral cortex is how individual neurons develop the proper synaptic connections to form large-scale, distributed networks. Now scientists have gained novel insights from spontaneously generated patterns of acti…

Stress can impair memory, reduce brain size in middle age

Stress may be causing impaired memory and brain shrinkage in middle-age adults, even before symptoms of Alzheimer’s or other dementia begin, according to a new study.

Cannabis pain relief without the ‘high’

In the wake of cannabis legalization, a team of scientists have delivered encouraging news for chronic pain sufferers by pinpointing the effective dose of marijuana plant extract cannabidiol (CBD) for safe pain relief without the typical ‘high’ or euph…

How to recognize and cope with emotional exhaustion

Emotional exhaustion can arise after a period of excessive stress. Some people are more at risk than others, including those in demanding jobs or with caring responsibilities. People may not always recognize the signs of emotional exhaustion. Here, we …

Individual stress susceptibility and glucose metabolism are linked to brain function

Researchers have now discovered that stress-induced mental disturbances in mice are directly linked to abnormal glucose metabolism. Normalizing the stress-induced alterations in glucose levels, using the anti-diabetic drug empagliflozin, restored spati…

Why do we stay in relationships that make us unhappy?

If your relationship is making you so unhappy, why is it so hard to break up? A new study finds an unexpected answer to this question.

Brain-eating amoebae halted by silver nanoparticles

Halloween is just around the corner, and some people will celebrate by watching scary movies about brain-eating zombies. But even more frightening are real-life parasites that feed on the human brain, and they can be harder to kill than their horror-mo…

A new model for how working memory gets you through the day

MIT neuroscientists present a new model of working memory that explains how the brain holds information in mind (the ‘memory’ part) and also executes volitional control over it (the ‘working’ part).

Study reveals how the brain overcomes its own limitations

Neuroscientists have discovered how the brain tries to compensate for its poor performance in tasks that require complicated mental transformations.

Cannabis withdrawal can be ‘highly disabling’

Cannabis withdrawal syndrome is real and can have ‘highly disabling’ effects — especially psychologically — warn the authors of a new study.