Deborah Chesnie Cooper, Ph.D. Dr. Deborah Chesnie Cooper, an educational and child psychologist, has been in private practice since 1972. Dr. Cooper received her Doctorate in 1976 through the University of Toronto and has been a registered psychologist since 1978. Between 1985 and 1989 she served as Psychological Consultant to the Neonatal Follow-up Unit, Department of Paediatrics, at Mount Sinai Hospital, Toronto, at which time she developed an extensive diagnostic battery of tests to determine infants at risk for later language delay. From 1982 to 1995 she was the co-director of Canadian Heritage School, a school specializing in helping children with learning disabilities.   Dr. Cooper has more than 50,000 hours experience working directly with children and adolescents who were experiencing learning, emotional or behavioural problems. During this time, she began specializing in the treatment of auditory processing and attentional disorders. She discovered that these difficulties were often underlying causes of problems with reading, language, or other academic difficulties. As a result, Dr. Cooper developed a number of programs to address these areas.