Mark Richard Rosenzweig (September 12, 1922 – July 20, 2009) was an American research psychologist whose research on neuroplasticity in animals indicated that the adult brain remains capable of anatomical remodelling and reorganization based on life experiences, overturning the conventional wisdom that the brain reached full maturity in childhood.
Early life and education
Rosenzweig was born on September 12, 1922, in Rochester, New York, to Jews of Eastern European origin, in which his bilingual parents (his lawyer father and homemaker mother spoke both English and German) helped foster an interest in language and learning. He attended the University of Rochester there planning to major in history, but ended up switching to psychology and receiving a bachelor's degree in 1943 and a master's degrees in 1944 with a focus on auditory perception.
Following the completion of his studies in 1944, he enlisted in the United States Navy, initially serving as