Dr. Johnson is an Associate Professor appointed to the School of Health Studies, and
is the Chair of the Graduate Program in Health and Rehabilitation Sciences. He maintains
research interests in a variety of areas, but is predominantly interested in information
processing speed, Parkinson’s disease (particularly with regards to psychosocial aspects
of PD), concussion identification and prevention, behavior genetics, and children’s
mental health. 

Neural Efficiency

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The Effects of Word Length, Articulation, Oral-motor Movement, and Lexicality on Gait: A Pilot Study (with K. L. Davie, Janis E. Oram Cardy, J. D. Holmes, M. Gagnon, A. Hyde, and M. E. Jenkins), Gait & Posture (2012)
 

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The Contribution of Processing Impairments to SLI: Insights from Attention-deficit/Hyperactivity Disorder (with Janis E. Oram Cardy, Rosemary Tannock, and Carla J. Johnson), Journal of Communication Disorders (2010)
 

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Dual-task Interference: The Effects of Verbal Cognitive Tasks on Upright Postural Stability in Parkinson's Disease (with J. D. Holmes, M. E. Jenkins, S. G. Adams, and S. J. Spaulding), Parkinson's Disease (2010)
 

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Dual Task Performance in a Healthy Young Adult Population: Results from a Symmetric Manipulation of Task Complexity and Articulation (with Albert Armieri, Jeffrey D. Holmes, Sandi J. Spaulding, and Mary E. Jenkins), Gait & Posture (2009)
 

Metacognition and Metamovement: Links between Cognition and Motor Function in Parkinson's Disease (with Albert Armieri, Jeffrey D. Holmes, A. L. Grau, Mary E. Jenkins, and Sandi J. Spaulding), Metacognition: New Research Developments (2009)
 

Parkinson’s Disease

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Enhancing Client-centeredness in Parkinson's Disease Care: Attending to the Psychosocial Implications of Lived Experience (with Jeffrey D. Holmes PhD, OT Reg. (Ont.).; Sara Lutz; Mike Ravenek; and Debbie L. Rudman PhD, OT Reg. (Ont.).), The Open Journal of Occupational Therapy (2013)
 

OpenURL

The effects of a home-based virtual reality rehabilitation program on balance among individuals with Parkinson's disease (with Jeffrey D. Holmes, Michelle L. Gu, and Mary E. Jenkins), Physical and Occupational Therapy in Geriatrics (2013)
 

OpenURL

Validity of the Nintendo Wii® balance board for the assessment of standing balance in Parkinson’s disease (with Jeffrey D. Holmes, Mary E. Jenkins, Michael A. Hunt, and Ross A. Clark), Clinical Rehabilitation (2012)
 

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Identifying and Managing Caregiver Burden Among Spouses of Individuals with Parkinson's Disease (with Kaitlyn Roland and Mary E. Jenkins), Journal of Current Clinical Care (2011)
 

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Identification and Management of Impulse Control Disorders Among Individuals with Parkinson’s Disease (with H. Christopher Hyson and Kaitlyn Roland), Journal of Current Clinical Care (2011)
 

Concussion

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A prospective study of physician-observed concussion during a varsity university hockey season: incidence and neuropsychological changes (with Paul S. Echlin, Elaine N. Skopelja, Rachel Worsley, Shiroy B. Dadanchanji, Rob Lloyd-Smith, Jack A. Taunton, and Lorie A. Forwell), Neurosurgical Focus (2012)
 

OpenURL

A prospective study of physician-observed concussion during a varsity university hockey season: metabolic changes in ice hockey players. (with Emilie Chamard, Hugo Theoret, Elaine N. Skopelja, Lorie A. Forwell, and Paul Echlin), Neurosurgical Focus (2012)
 

OpenURL

A prospective study of physician-observed concussion during a varsity university hockey season: white matter integrity in ice hockey players (with Inga K. Koerte, David Kaufmann, Elisabeth Hartl, Sylvain Bouix, Ofer Pasternak, Marek Kubicki, Alexander Rauscher, David K. Li, Shiroy B. Dadachanji, Jack A. Taunton, Lorie A. Forwell, Paul S. Echlin, and Martha E. Shenton), Neurosurgical Focus (2012)
 

OpenURL

A prospective study of concussion education in 2 junior ice hockey teams: implications for sports concussion education (with Paul S. Echlin, Suzanne Riverin, Charles Tator, Robert C. Cantu, Michael D. Cusimano, Jack E. Taunton, Ross E. Upshur, Craig R. Hall, Lorie A. Forwell, and Elaine N. Skopelja), Neurosurgical Focus (2010)
 

OpenURL

A prospective study of physician-observed concussion during junior ice hockey: implications for incidence rates (with Paul S. Echlin, Charles H. Tator, Michael D. Cusimano, Robert C. Cantu, Jack E. Taunton, Ross E. Upshur, Craig R. Hall, Lorie A. Forwell, and Elaine N. Skopelja), Neurosurgical Focus (2010)
 

Behaviour Genetics

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The General Factor of Personality: A Critical Test (with Livia Veselka, Caroline Just, Kerry L. Jang, and Philip A. Vernon), Personality and Individual Differences (2012)
 

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Genetic Correlations Among Facets of Type A Behavior and Personality (with Julie A. Schermer, Philip A. Vernon, and Kerry L. Jang), Twin Research and Human Genetics (2012)
 

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The Relationship Between Personality and Self-Report Abilities (with Julie Aitken Schermer, Philip A. Vernon, and Kerry L. Jang), Journal of Individual Differences (2011)
 

Behavioral Genetic Studies of Personality: An Introduction and Review of the Results of 50+ Years of Research (with Philip A. Vernon and Amanda R. Feiler), The SAGE Handbook of Personality Theory and Assessment (2008)
 

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Phenotypic and Genetic Relationships between Vocational Interests and Personality (with Julie Aitken Harris, Philip A. Vernon, and Kerry L. Jang), Personality and Individual Differences (2006)
 

Mental Health in Children

OpenURL

A Meta-Analysis of the Reading Comprehension Skills of Individuals on the Autism Spectrum (with Heather M. Brown and Janis Cardy), Journal of Autism and Developmental Disorders (2013)
 

OpenURL

BCFPI Validation for a High-risk High-needs Sample of Children and Youth Admitted to Tertiary Care (with Steven Cook, Alan Leschied, Jeff St. Pierre, Shannon Stewart, and Wendy den Dunnen), Journal of the Canadian Academy of Child and Adolescent Psychiatry (2013)
 

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Predicting Residential Treatment Outcomes for Emotionally and Behaviorally Disordered Youth: The Role of Pretreatment Factors (with Wendy den Dunnen, Jeff St. Pierre, Shannon L. Stewart, Steven Cook, and Alan W. Leschied), Residential Treatment For Children & Youth (2012)
 

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Symptom Persistence in Seriously Emotionally Disordered Children: Findings of a Two-Year Follow-up after Residential Treatment (with Rebecca Cuthbert, Jeff St. Pierre, Shannon L. Stewart, Steven Cook, and Alan W. Leschied), Child and Youth Care Forum (2011)
 

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The Trajectory of Change for Children and Youth in Residential Treatment (with J. W. Noftle, Steven Cook, Alan W. Leschied, Jeff St. Pierre, and Shannon L. Stewart), Child Psychiatry and Human Development (2011)
 

Measurement / Evidence Based Practice

Business Statistics in Practice (with Bruce L. Bowerman, Julie A. Schermer, Richard T. O'Connell, and Emily S. Murphree) (2014)
 

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Enhancing Client-centeredness in Parkinson's Disease Care: Attending to the Psychosocial Implications of Lived Experience (with Jeffrey D. Holmes PhD, OT Reg. (Ont.).; Sara Lutz; Mike Ravenek; and Debbie L. Rudman PhD, OT Reg. (Ont.).), The Open Journal of Occupational Therapy (2013)
 

OpenURL

Protocol for determining the diagnostic validity of physical examination maneuvers for shoulder pathology. (with Somerville Lindsay, Dianne Bryant, and Kevin Willits), BMC Musculoskeletal Disorders (2013)
 

OpenURL

Beyond traditional notions of validity: Selecting appropriate measures for occupational therapy practice. (with Briana M. Zur, Eric A. Roy, Debbie Laliberte-Rudman, and Jennie L. Wells), Australian Occupational Therapy Journal (2012)
 

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Predictive Validity of the UPDRS Postural Stability Score and the Functional Reach Test, When Compared with Ecologically Valid Reaching Tasks (with M. E. Jenkins, J. D. Holmes, F. F. Stephenson, and S. J. Spaulding), Parkinsonism & Related Disorders (2010)