1 University of Saskatchewan, College of Medicine, Department of Surgery, Canada. Electronic address: paul.mick@usask.ca.
2 Saskatchewan Health Authority, Canada.
3 University of Alberta, College of Health Sciences, Department of Ophthalmology and Visual Sciences, Canada.
4 Professor emeritus, University of Toronto, Faculty of Arts and Sciencies, Department of Psychology, Canada.
5 Memorial University of Newfoundland, Faculty of Medicine, Canada.
6 McGill University, Faculty of Medicine and Health Sciences, Department of Human Genetics, Canada.
7 Université de Montréal, École d'optométrie, Canada.
8 Concordia University, Faculty of Arts and Sciences, Department of Psychology, Canada.

CONCLUSION: APOE-e4 allele count does not appear to be a common cause of sensory-cognitive associations in this large cohort.