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Tag Archives: emotions

Its all in the genes

Facial expressions of emotion are hardwired into our genes, according to a new study. The research suggests that facial expressions of emotion are innate rather than a product of cultural learning. The study is the first of its kind to demonstrate that sighted and blind individuals use the same facial expressions, producing the same facial muscle movements in response to specific emotional stimuli.

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Sleep loss and emotional fatigue

While past studies have revealed that sleep loss can impair the immune system and brain processes such as learning and memory, there has been surprisingly little research into why sleep deprivation affects our emotions. Without sleep, the emotional centres of our brains dramatically overreact to bad experiences, research now reveals.

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