Ann Graybiel in the lab with technical associate Jannifer Lee (right) and undergraduate Lauren Quisenberry. Home | News | Understanding Parkinson’s Disease Understanding Parkinson’s Disease Anne Trafton | October 3, 2011May 24, 2023 Facebook Twitter Linkedin Email Ann Graybiel in the lab with technical associate Jannifer Lee (right) and undergraduate Lauren Quisenberry. How the brain solves complicated problems How the brain distinguishes between ambiguous hypotheses Rationale engineering generates a compact new tool for gene therapy See all news