Harold Schlosberg (January 3, 1904 – August 5, 1964) was an American psychologist who was professor of

psychology Psychology is the scientific study of mind and behavior. Psychology includes the study of conscious and unconscious phenomena, including feelings and thoughts. It is an academic discipline of immense scope, crossing the boundaries betwe ...

Brown University Brown University is a private research university in Providence, Rhode Island. Brown is the seventh-oldest institution of higher education in the United States, founded in 1764 as the College in the English Colony of Rhode Island and Providenc ...

from 1928 until the end of his life. Born in Brooklyn, N.Y, Schlosberg earned his Bachelor's (1925) and Ph.D. (1928) degrees from

Princeton University Princeton University is a private university, private research university in Princeton, New Jersey. Founded in 1746 in Elizabeth, New Jersey, Elizabeth as the College of New Jersey, Princeton is the List of Colonial Colleges, fourth-oldest ins ...

. An experimental psychologist, Schlosberg made notable contributions on subjects ranging from conditioned reflexes to the expression of human emotions. He co-authored the 1954 2nd edition of

Experimental Psychology Experimental psychology refers to work done by those who apply experimental methods to psychological study and the underlying processes. Experimental psychologists employ human participants and animal subjects to study a great many topics, in ...

, an influential textbook used by a generation of graduate students. Schlosberg served as chairman of Brown's Department of Psychology from 1954 until his death in 1964. As Chair, he was responsible for planning the construction of Hunter Laboratory, at the time a state-of-the-art building expressly designed for undergraduate teaching and the requirements of psychological research, from animal behavior to visual perception. Schlosberg was particularly noted for his work on the conditioned reflex, visual perception and the analysis of human emotions. He was among the first to distinguish classical (Pavlovian) conditioning from instrumental (operant) conditioning. He pioneered the description of emotion in terms of spatial dimensions, with labels such as happy versus sad and disgust versus surprise, a description based primarily on the analysis of facial expressions.Schlosberg, H. "The description of facial expressions in terms of two dimensions", Journal of Experimental Psychology, 44, 229-237 Further biographical information at

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Harold H. Schlosberg linksHis Ph.D dissertation ''A Study of the Conditioned Patellar Reflex''
20th-century American psychologists 1904 births 1964 deaths Brown University faculty Princeton University alumni {{US-psychologist-stub