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. Would you return a favor? Scientists say it depends on the relationship Language development in the brain Brighter MRI signals See all news