www.psychexamreview.com
In this video I describe some specific genetic disorders that are known to have negative consequences for intellectual development including Down Syndrome, Fragile X Syndrome, Williams Syndrome, and Phenylketonuria.

Introduction to Williams Syndrome: https://www.youtube.com/watch?v=M6n4z0XjPh4

Don’t forget to subscribe to the channel to see future videos! Have questions or topics you’d like to see covered in a future video? Let me know by commenting or sending me an email!

Check out my book, Master Introductory Psychology, an alternative to a traditional textbook: http://amzn.to/2eTqm5s