Life Lines by Dr. Dolittle

Sponsored by the American Physiological Society

Tag Archive for ‘contagious’

Kea “laughter” is contagious too

  Most of us have heard the phrase: Laughter is contagious. When we hear other people laughing, we often smile even if we have no idea why they are laughing. Dr. Sophie Scott from the University College of London and her colleagues played both positive sounds (like laughter) and negative sounds (like retching or screaming) to subjects and found the sounds activated the premotor cortical region of the brain. This area of […]

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