Addiction involves an inability to control drug-seeking behavior. While this may be thought of as secondary to an overwhelming desire for drugs, it could equally well reflect a failure of the brain mechanisms that allow addicts to learn about and mentall
Whereas a compass is useful for navigation because it consistently registers to magnetic north, it is unclear whether head-direction cells consistently register to the environment during navigation; if registration varies, how might the direction sense be used to navigate open spaces? Here, we report...