Watch the Ted Talks video _the_mysterious_workings_of_the_adolescent_brain and write a summary of the key points made in the video.

Please watch the following TedTalks video

http://www.ted.com/talks/sarah_jayne_blakemore_the_mysterious_workings_of_the_adolescent_brain and post a 200 word or more summary of the key points made in the video. Then comment on what you learned from this talk.