Scotsman Obituaries: Denis M Parker, neuropsychologist​ who contributed to understanding of human perception

A Fellow of the British Psychological Society and a Chartered Psychologist since 1988, Denis earned his Ph.D. in Psychology from the University of Durham in 1971, becoming one of the first holders of the prestigious Addison Wheeler Fellowship at Durham, focusing his research on the advancement of scientific understanding of human perception and cognitive processes. His distinguished academic career included appointments as Lecturer, Senior Lecturer and Reader at the University of Aberdeen, as well as Visiting Professor at the University of Konstanz, Germany. In 1996 he joined Glasgow Caledonian University, becoming Professor and Head of the Department of Psychology, later serving as Dean of the School of Health and Life Sciences until his retirement in 2005.

Denis made a significant contribution to the fields of experimental psychology, visual cognition and neuropsychology, collaborating with leading scholars such as Hadyn Ellis (University of Cardiff) and Jan Deregowski and John Crawford (University of Aberdeen). His research advanced many areas of human visual science, particularly in relation to facial perception; visual pattern recognition and impairment and brain activity. He co-authored pioneering work on brain imaging methods and their relationship with neuropsychological function, and produced influential work on neuropsychological assessment, particularly the assessment of premorbid ability.

He was a generous mentor to younger researchers and supervised numerous doctoral theses exploring the mechanisms underlying visual processing and application of this understanding to clinical, developmental and ageing populations. He co-edited a number of books, including the popular A Handbook of Neuropsychological Assessment (1992).

Denis’s academic achievements extended beyond research, fostering interdisciplinary collaboration, curricular innovation and academic standards, notably establishing the MSc in Forensic Psychology at Glasgow Caledonian University, the first British Psychological Society-accredited course of its kind. He was also a member in 2002 of the Society’s Subject Benchmark Statement group, the body establishing descriptors for Higher Education courses in Psychology.

Retiring to Norfolk in 2005, Denis became a member of the East of England U3A and active participant of the jazz, film and book groups, who benefited from his extensive knowledge of art, literature and music. A lover of the outdoors, he enjoyed many hours in the Broads and Marshes birdwatching and after many years in Glasgow, appreciating the drier climate. Denis returned to Scotland in 2023.

He is survived by his wife, Mannell, and sons, Sean, Liam, and Colm.

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