Clinical Neuropsychology Section: Executive


Theone Paterson

Theone Paterson, Ph.D., R.Psych

Dr. Theone Paterson is the Chair-Elect, and previously a Member-at-Large, of the Clinical Neuropsychology section. She is an Assistant Professor in the Department of Psychology at University of Victoria, and teaches within the Clinical Psychology Graduate Program. Her research focuses on examining the interplay between neurocognition and psychosocial functioning, and the prediction of real-world health outcomes in aging and chronic illness groups. Dr. Paterson is also a practicing Clinical Neuropsychologist with lifespan focus.


Past Chair

Kristina Gicas, Ph.D., C.Psych

Dr. Kristina Gicas is the Chair, and previously a Member-at-Large, of the Clinical Neuropsychology section. She is an Assistant Professor in the Department of Psychology at York University and Director of the Cognition and Complex Conditions Lab where her research focuses on the neuropsychology of mental illness and addiction in marginalized populations. Dr. Gicas is also a practicing Clinical Neuropsychologist.


Student Representative

Iris Yusupov

Iris Yusupov is the Student Representative of the Clinical Neuropsychology section. She is currently a Ph.D. student in York University’s Adult Clinical Psychology program in the Neuropsychology stream and an MBA student at the Schulich School of Business specializing in Health Industry Management. Her clinical training to date includes providing mental health services in a correctional facility, conducting neuropsychological assessments with older adults, and providing individual psychotherapy at the York University Psychology Clinic. Iris serves as the Program Coordinator of York University’s Autism Mentorship Program. Her dissertation research is evaluating the newly translated online version of the in-person Memory & Aging Program®, a memory-strategy training and brain health promotion intervention for healthy older adults offered at Baycrest Health Sciences.



Roxana Sterniczuk

Roxana Sterniczuk, Ph.D., R. Psych.

Dr. Roxana Sterniczuk is a Member-at-Large of the Clinical Neuropsychology section. Dr. Sterniczuk is a Registered Psychologist and she is licensed to practice within the areas of Clinical Psychology, Neuropsychology and Rehabilitation Psychology. She completed Doctoral degrees at the University of Calgary and Dalhousie University, as well as a Postdoctoral Fellowship at Dalhousie University and a Clinical Neuropsychology residency at Baycrest Health Sciences. Her private practice provides services focused on healthy aging, including the assessment, prevention and treatment of factors associated with cognitive decline. Additionally, she has a specific interest in the relationships between sleep and circadian rhythm disturbance, and cognitive functioning and risk of dementia.

Darlene Walker

Darlene Walker, Ph.D., C.Psych.

Dr. Darlene Walker is a Member-at-Large of the Clinical Neuropsychology section. Dr. Walker completed a Paediatric Neuropsychology Postdoctoral Fellowship at The Hospital for Sick Children in Toronto. She has worked in community mental health, university and hospital settings. She is currently in private practice in Toronto. Her professional activities include both assessment and treatment for children and adolescents, as well as supervision of practicum students and psychologists in supervised practice. Her focus is on neurodevelopmental disorders including learning disorders, autism spectrum disorder, and attention deficit hyperactivity disorder.

Nicolás Narvaez Linares

Nicolás Narvaez Linares, Ph.D., C.Psych.

Nicolás completed his Ph.D. in Clinical Psychology at the University of Ottawa in early 2022. Currently, he is pursuing post-doctoral training in Clinical Neuropsychology at the Children’s Hospital of Eastern Ontario (CHEO), in School Psychology at the Ottawa-Carleton District School Board (OCDSB), and in Clinical Psychology in private practice. Nicolás will be seeking registration in these areas with the College of Psychologist of Ontario and l’Ordre des Psychologues du Québe. He provides neuropsychological and psychoeducational assessments to children and youth who have a medical condition, a neurodevelopmental disorder (e.g., ADHD, ASD, APD, ID, SLD), or are gifted/twice-exceptional.