About Us

Dr. D’Arcy J. Helmer, Clinical Neuropsychologist

Dr. Helmer

Dr. D’Arcy J. Helmer holds a B.A. (Honours, Psychology; Ottawa), M.A. (Psychology; Waterloo), Ph.D. (Psychology; Toronto) and a Post Doctorate in Clinical Neuropsychology; Chicago. He has worked in hospitals, locked forensic units, jails, health districts, community clinics, child guidance clinics, schools, and in private practice. He has practiced as a clinical and consulting psychologist since 1985.He has conducted hundreds of clinical assessments pertaining to children, adolescents, and adults. These clinical assessments involved the ability to work, school performance, issues of competence, cognitive deficit, learning disability, psychiatric illness, personality disorder, dementia, functional capacity, and forensic issues.

Dr. Helmer has been an adjunct professor in the Department of Psychiatry at the University of Saskatchewan since 2001. He has been an expert witness at the Court of Queen’s Bench in Ontario and Saskatchewan. He has testified in the areas of child, adolescent, and adult clinical psychology, clinical neuropsychology, as well as the provision of information to the Court on capacity issues. He holds licences in Saskatchewan, Alberta, and British Columbia. He is a member of the Canadian Registry of Health Service Providers in Psychology, The Canadian Psychological Association, and The National Academy of Neuropsychologists.

Dr. Helmer has also received extensive training in QEEG administration and analysis from the top experts in the field, including Dr. Robert Thatcher and Dr. Nicholas Dogris. He also has received training in different elements of neurotherapy including 19-channel neurofeedback and neuro-stimulation methodologies.

As a clinical neuropsychologist, he offers comprehensive evaluations of children, adolescents, and adults with attention or concentration problems, learning disabilities, memory difficulties, and executive dysfunction. As an expert witness in forensic psychology, he is available for case consultation, forensic evaluations, and expert testimony.


Barbara Wieler, RN, BA, MEd

about us barbara

Barbara Wieler is a Registered Nurse in the province of Saskatchewan and has worked as a RN for more than thirty years, having graduated from the University of Alberta Hospitals’ School of Nursing in Edmonton, AB. She also holds a Bachelor of Arts degree in Psychology from the University of Calgary, AB, and a Master of Education degree in Educational Psychology from the University of Saskatchewan, Saskatoon.

Barbara has been working as a nurse/ psychometrist for Dr. Helmer since 2013. She received initial training in QEEG and neurofeedback under Dr. Thomas Collura of Cleveland, OH, and further training under Dr. Robert Thatcher of Tampa, FL. She is continuing her training under the supervision of Dr. Helmer at Innergy Comprehensive Limited and works as the QEEG technician.