Confusion and a lot of questions exist as to detonation and pre-ignition. Sometimes you hear mistaken terms like pre-detonation. Detonation is one phenomenon that is abnormal combustion. Pre-ignition is another phenomenon that is abnormal combustion.
Martha R. Herbert, PhD, MD, is an assistant professor of neurology at Harvard Medical School, a pediatric neuroscientist at the Massachusetts General Hospital in Boston, and an affiliate of the Harvard-MIT-MGH Martinos Center for Biomedical Imaging.
Harvard Physician, Autism Expert, Cautions Los Angeles School District on WiFi. Martha Herbert, PhD, MD of Harvard Medical School, a neurologist and neuroscientist who is also on the staff at Massachusetts General Hospital, cautions Los Angeles Unified School District on the use of WiFi in schools. Dr.Herbert says: