New study shows that babies as young as six months old feel stressed when seeing these creatures. This reaction indicates an innate aversion as opposed to a learnt one
Motivation to change your behavior can be linked to neurons in the posterior cingulate cortex region of the brain that ramp up firing rates just before a divergent behaviour occurs
About 1 in 2000, or around 4 million people worldwide, have deletions in this region, and these deletions are associated with multiple brain and body symptoms, including autism spectrum disorders