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For their investigations, the researchers combined physiological studies - such as imaging techniques to visualise processes in the fly brain, chemical analyses of environmental odours, and behavioural studies.

Female athletes, for various physiological reasons, are between two and eight times more likely to tear their ACLs, and that risk — in both knees — grows exponentially within two years of an ACL tear.

"I'm not sure that it was just entirely physiological but something changed, and I just could not get back into that magical place where I can write fiction."

Kheirbek’s lab is working on early experiments to test whether changing certain physiological measures, like breathing rate, could influence the activity in this brain region.

For example, thoughts lead to physiological responses such as trembling hands.