Thirteen experiments were performed with eight couples and three single women. The incredible footage was created using hundreds of mri scans. Researchers at aalto university and turku pet centre have developed a new method for simultaneous imaging brain activity from two people, allowing them to study social interaction In a recent study, the researchers scanned brain activity from 10 couples Each couple spent 45 minutes inside the mri scanner in physical contact with each other. In a special christmas edition, a former bmj editor has reflected on the 20th anniversary of one of the journal's most popular articles
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