Complex sentence: She later switched her major from pediatric neuroscience to symbolic systems and graduated with honors from Stanford University with a B.S. in 1997 and an M.S. in computer science in 1999.
Split into simpler sentences: She later switched her major from pediatric neuroscience to symbolic systems. Mayer went on to graduate with honors from Stanford with a B.S. in 1997 and an M.S. in computer science in 1999.