Psychiatric disorders and autism share genetic atypicalities

A large study with 60,000 participants documented similar genetic atypicalities in autism, schizophrenia, bipolar disorder, depression and ADHD. These atypicalities are complex but may often lead to abnormal communication within the brain. Which disorder an individual develops may depend on other environmental and genetic factors:
http://www.thelancet.com/journals/lancet/article/PIIS0140-6736%2812%2962129-1/fulltext
http://www.nytimes.com/2013/03/01/health/study-finds-genetic-risk-factors-shared-by-5-psychiatric-disorders.html?smid=fb-share&_r=0