Michael Neil Shadlen (born August 19, 1959) is an American neuroscientist and neurologist, whose research concerns the neural mechanisms of decision-making.

[2][3] He is a member of the Kavli Institute for Brain Science, a Principal Investigator at the Mortimer B. Zuckerman Mind Brain Behavior Institute and an elected member of the National Academy of Medicine[4] and National Academy of Sciences.

[5][6] Shadlen earned a Bachelor of Arts degree in biology at Brown University in 1981.

He pursued neuroscience as a postdoctoral researcher at Stanford in the lab of William Newsome before joining the faculty of the Department of Physiology and Biophysics at the University of Washington.

[7] Shadlen was elected a Member of the National Academy of Medicine in 2014 and a Fellow of the American Association for the Advancement of Science in 2015.