Changing Channels

HHMI Bulletin | February 2012

Scott Sternson has always wondered what drives behavior, especially those fundamental motivations required for survival. Hunger, for example, is so crucial that it must be evolutionarily “hard-wired” deep within the brain. After all, as Sternson observes, “if the animal doesn’t eat, it dies.” read story

Toddler Hits Its Stride

HHMI Bulletin | March 2005

Meet Toddler, a walking robot that mimics the human gait.  Created by computer engineer Russ Tedrake in the lab of computational neuroscientist and HHMI investigator H. Sebastian Seung at MIT, Toddler uses customized learning software to teach itself to walk in less than 20 minutes.  The robot “doesn’t walk too much like a human, but we think it learns like a human,” Tedrake says. read in full issue (pdf)