Sarah Harman Broman, 72, a research psychologist whose work included studies of cognitive development and brain disorders in children, died Nov. 2 at Suburban Hospital after a stroke. She lived in Chevy Chase.

Dr. Broman had been a researcher at the National Institute of Neurological Disorders and Stroke for the past 30 years. She was coauthor or editor of nine books in the area of neuroscience.

She headed a study of mothers and young children at 12 major medical centers and wrote about retardation, traumatic head injury in children, the behavioral consequences of early brain disorders, cognitive development disorders and prenatal development.

Dr. Broman was a native of Hattiesburg, Miss., and a graduate of Vassar College. She received a master's degree and doctorate, both in psychology, from Tulane University. Early in her career, she taught and did research at Tulane.

Dr. Broman's interests included modern dance, and she was a director of the Tony Powell Dance Co. She also was a member of the American Psychological Society and the Vassar Alumni Association.

Her marriages to Brian Corry, Jack Sledge and Bruce Broman ended in divorce.

Survivors include a daughter from her first marriage, Noel Alexandra Corry Miles of New Orleans; and two grandchildren.