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"About the Cafe Cafe Scientifique is a forum for discussing and debating science issues which are of concern to everyone. Our aim is to promote public engagement with science and to foster interesting, fact-based discussions in a fun and relaxed atmosphere. Our speakers are scientists or science journalists, ethicists, or related experts from the local community who donate their time to present and discuss their work with the public. We include a range of topics and disciplines. Cafe Scientifique started in France and Great Britain in the late 1990′s, and has now spread all over the world -including Vancouver!"

A new new brain imaging system that can identify a subject's simple thoughts may lead to clearer diagnoses for Alzheimer's disease or schizophrenia - as well as possibly paving the way for reading people's minds. Michael Greicius at Stanford University in California and colleagues used functional magnetic resonance imaging (fMRI) to identify patterns of brain activity associated with different mental states. He asked 14 volunteers to do one of four tasks: sing songs silently to themselves; recall the events of the day; count backwards in threes; or simply relax. Participants were given a 10-minute period during which they had to do this. For the rest of that time they were free to think about whatever they liked. The participants' brains were scanned for the entire 10 minutes, and the patterns of connectivity associated with each task were teased out by computer algorithms that compared scans from several volunteers doing the same task. This differs from previous experiments, in which the subjects were required to perform mental activities at specific times and the scans were then compared with brain activity when they were at rest. Greicius reasons his method encourages "natural" brain activity more like that which occurs in normal thought.

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