• International Association for the Study of Attention and Performance, Advisory Council, member 1985-1992
• Natural Sciences & Engineering Research Council of Canada, Grants Selection Committee (Psychology), member 1982-1985
• Canadian Society for Brain, Behavior and Cognitive Science, Co-founder, Interim Executive 1991-2; President Elect 1992-3, President 1993-4, past President 1994-5; Member 1991-present.
• Canadian Psychological Association, Section 27: Perception, Learning & Cognition, Founding member and chair, 1990-1
• Psychonomics Society, member since 1976
• American Psychological Society, member since 1994
• American Psychological Association, Chair of adjudication committee for 2003
• Association for Research in Vision and Opthalmology, member since 1995
• Cognitive Neuroscience Society, member since 1996
• Cognitive Neuroscience Society, Young Investigator Award Committee member, 2002-2004
• Cognitive Neuroscience Society, Chair, Young Investigator Award Committee, 2003
• Psychology Graduate Coordinator, since 1986 (excluding Sabbatical years)
• Senate Committee, Chair, to review Dalhousie's Faculty of Graduate Studies 2000-2001
• Networks of Centers of Excellence, Canadian Language and Literacy Research Network (CLLRnet) - Theme IV: Literacy theme Co-Leader and member, CLLRnet Research Management Committee, 2002-present

Associate Editor

• Journal of Experimental Psychology: Human Perception and Performance, 1999-2004
• TheScientificWorldJournal, Cognition, Higher Brain Function, 2002

Consulting Editor/Editorial Board:

• Journal of Experimental Psychology: Human Perception and Performance, 1977-1998
• Canadian Journal of Psychology, 1984-8
• Canadian Journal of Experimental Psychology, 1993-present
• Psychonomic Bulletin and Review, 1996-present
• Perception & Psychophysics, 1997-present

Responsibilities for which I was honoured to be considered:

• Journal of Experimental Psychology: General Associate Editor, declined invitation, 2001
• Faculty of Graduate Studies, Dalhousie University, Dean (one of 3 finalists) in 2001
• Psychobiology (now Cognitive, Affective and Behavioral Neuroscience) Editor finalist in 1999
• Canadian Journal of Experimental Psychology Editor, Nominated in 1992, but not selected
• Perception & Psychophysics Editor, Nominated in 1997, but not selected
• NSERC Life Sciences Collaborative Projects Grant Selection Committee, Asked to serve in 1995, but declined

Consultant on eyewitness testimony:

• I have been retained on several occasions to provide advice on perceptual and cognitive factors that might influence eyewitness testimony.
• I have twice been qualified by Courts in Nova Scotia as an expert witness to testify on such matters.
• I have been invited to attend, and assist with, the Clinical Law course at the Law School of Dalhousie University when this topic was covered.
• I delivered invited seminars to the Canadian Bar Associations (Nova Scotia) meeting on Key Developments in the Law of Evidence and to Toronto area Judges at their Annual Education Seminar

Ad Hoc Reviewer:

• Air Force Office of Scientific Research
• American Psychologist
• Biotechnology and Biological Sciences Research Council (MRC, UK)
• Brain Research
• Canadian Foundation for Innovation
• Canadian Journal of Psychology
• Canadian Psychology
• Cognition
• Cognitive Psychology
• Current Biology
• Current Directions in Psychological Science
• Experimental Brain Research
• Harvard University Press (review of draft book entitled Attention: The Brain's Art of Mindfulness by David LaBerge)
• Harvard University Press (review of draft book entitled Mind, Brain & Education in Learning Disorders: The Case of Reading edited by K. Fischer, J. Holmes Bernstein, and MH Immorino-Yang)
• Israel Science Foundation
• Journal of Biological Rhythms
• Journal of Cognitive Neuroscience
• Journal of Experimental Psychology: General
• Journal of Experimental Psychology: Learning, Memory & Cognition
• Journal of Gerontology: Psychological Sciences
• Journal of Memory and Language
• Journal of Neurophysiology
• Journal of Neuroscience
• Memory & Cognition
• MIT Press (review of proposal and book entitled Transcranial Magnetic Stimulation: A Neurochronometrics of Mind by Pascual-Leone & Walsh
• National Science Foundation
• Nature
• Nature Neuroscience
• National Research and Engineering Council of Canada
• Neuropsychologia
• Neuroimage
• Neuropsychologia
• Neuroscience Letters
• Oxford U. Press/Maxwell (review of book proposal Past Events and Present Processing edited by Eric Soetens & Werner Sommer
• Proceedings of the National Academy of Sciences (US)
• Psychological Science
• Psychological Bulletin
• Psychonomic Bulletin & Review
• Psychopharmacology
• Quarterly Journal of Experimental Psychology
• Science
• Social Science and Humanities Research Council of Canada
• Spatial Vision
• TheScientificWorldJournal
• Trends in Cognitive Science
• Visual Cognition
• Vision Research

Conferences and Symposia Organized:

• 1977-8,On the Nature of Thought, Lectures in honour of D. O. Hebb, Dalhousie (w/ Jusczyk)
• 1979 (Aug.) Consciousness in Contemporary Psychology, Dalhousie (w/ Pucetti)
• 1987 (June) Selective attention: New looks at an old problem. Canadian Psychological Association, Montreal. (w/ Briand)
• 1987 (Aug.) Psychological Concepts and Dissociative Disorders, Dalhousie (w/ Doane)
• 1992 (Mar.)The Hebb Synapse: Cells, Circuits and Concepts (w/ Fentress)
• 1994 (Aug.) Converging methods for understanding reading and dyslexia, Dalhousie (w/ McMullen)
• 1998 (Mar.) Present and future uses of functional neuroimaging(working title), Dalhousie
• 1998 (Apr.) What the brain's neurons can tell the minds' models of mind, Cognitive Neuroscience, San Fransisco.
• 1999 (June)Understanding "Inhibition of Return" by Mind and Brain, Canadian Society for Brain and Behavior and Cognitive Science, Edmonton
• 2004 (June) Orienting and Inhibition of Return by Monkdy and Man. Symposium Introduction , Canadian Society for Brain and Behavior and Cognitive Science, St. John's
• 2006 (June) Example of Experimental Psychology in the Real World , Canadian Society for Brain and Behavior and Cognitive Science, Saskatoon

Service to other Universities:

• External Examiner: Bashinski (MA, Acadia U.)
• External Examiner: Sahakanian (MA, Acadia U.)
• External Examiner: Heimonen (MA, Lockhead U.)
• External Examiner: Harpur (PhD, U. British Columbia)
• External Examiner: Macquistan (U. of Alberta)
• External Examiner: Fenske (PhD, U. of Waterloo)
• External Examiner: Fecteau (PhD, U. British Columbia)
• External Examiner: Prime (PhD, U. British Columbia)
• Committee Member: Dorris (PhD, Queens U.)
• Chair, Psychology Department Review Committee: Memorial University
• External Reviewer: Psychology Department, University of Toronto @ Mississauga (2005)
• External Reviewer: Psychology Department, U. of New Brunswick @ Saint John (2005)
• Seminar Leader: University of Granada (February, 2005)