Graybiel hopes that the results will help to make therapies for OCD, such as deep-brain simulation with electrodes, more precise.
Ahmari thinks that the findings could be harnessed to help vanquish repetitive behaviors more quickly. She says that knowing how the brain changes over time to create repetitive behaviors could lead to better treatments. Nobody is suggesting, though, that humans should have optogenetic-enabling viruses injected into their brains as a therapy. “We’re not quite ready for that,” quips Graybiel.