Neuroscience

Does using marijuana affect a person's risk of stroke?

The jury's still out on whether the use of marijuana may increase the risk of stroke. While several larger studies have found an increased risk, other studies have found no such increased risk. Adding to the debate is a new ...

Psychology & Psychiatry

Studies of brain activity aren't as useful as scientists thought

Hundreds of published studies over the last decade have claimed it's possible to predict an individual's patterns of thoughts and feelings by scanning their brain in an MRI machine as they perform some mental tasks.

Neuroscience

Scientific breakthrough toward treatment of Fragile X syndrome

Scientists at the Hotchkiss Brain Institute (HBI), Alberta Children's Hospital Research Institute (ACHRI), and Owerko Centre at UCalgary's Cumming School of Medicine (CSM) have made a breakthrough discovery that could lead ...

Neuroscience

A new optical system shows how decisions light up the brain

When we make even simple decisions about how to interact with the world, we rely on computations performed by networks of neurons that span our brains. But what exactly are these neural networks computing?

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