Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxic > Health-in-Motion 20 June 2016 Posterior superior temporal sulcus How do our brains recognise the diverse facial expressions which communicate people’s feelings? Using sophisticated new instruments, American scientists have located a small area in the human brain that is responsible for decoding the specific facial muscle movements, like a furrowed brow or smiling lips, that combine to express a range of emotions from surprise and happiness to fear and anger. It's found in a region called the posterior superior temporal sulcus, behind the ear on the right side of the brain. 0 More: Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxicHealth-in-Motion advertisement Other news News Shocking prevalence of pregnancies, HIV infections in 9-19 year olds in Limpopo village Lifestyle Is it safe to sleep with your contact lenses in? We found out Lifestyle How does circumcision really affect your sex life? Here are the facts Lifestyle Do you feel sad after sex? This is why and what you can do about it Medical IBS – 4 symptoms that extend beyond your stomach Lifestyle Lung scans of smokers with COPD can reveal heart disease From our sponsors Dementia and Incontinence: what you need to know Tell-tale signs you need a mattress upgrade Keen to win a R2 000 voucher? Good health begins in your gastrointestinal tract Live healthier Gut health » Can't lose weight? Blame it on your gut Our nutrition experts weigh in on why gut health is such an important factor in weight loss, on World Obesity Day. Sleep better » Yes, there is such a thing as too much sleep A new study confirms that too little sleep can impair your brain, but interestingly, too much sleep is also a problem.