Home | News | A Light Switch for Neurons: Ed Boyden at TED2011 A Light Switch for Neurons: Ed Boyden at TED2011 Anne Trafton | March 3, 2011 FacebookTwitterLinkedinemail In this talk presented at the 2011 TED conference, Ed Boyden describes a radical new technology for controlling brain activity with light. How Huntington’s disease affects different neurons Self-assembling proteins can store cellular “memories” New sensor uses MRI to detect light deep in the brain See all news