New Releases: Two Volumes Co Edited by Walter Wittich
The CRIR is proud to highlight the release of two new volumes co‑edited by researcher Walter Wittich, both dedicated to the field of deafblindness.
One focuses on learning, education, and support of deafblind children and adults, while the other centres on communication with people who are deafblind.
These two books, now available through Oxford University Press, represent significant contributions to advancing knowledge in this specialized field.
For more information on these volumes:
- « Learning, Education, and Support of Deafblind Children and Adults – An Interdisciplinary Lifespan Approach” Edition: Timothy S. Hartshorne, Marleen J. Janssen, and Walter Wittich.
- “Communication with People who are Deafblind – Assessment and Intervention” Edition: Marleen J. Janssen, Timothy S. Hartshorne, and Walter Wittich
Walter Wittich, Ph.D. FAAO CLVT

Associate Professor, School of Optometry, Université de Montréal
Adjunct Professor, School of Physical & Occupational Therapy, McGill University
Affiliate Assistant Professor, Department of Psychology, Concordia University
Regular Member and Site Director:
- CRIR–Lethbridge-Layton-Mackay Rehabilitation Center, MAB and Mackay sites, CIUSSS West-Central Montreal and
- CRIR– Institut Nazareth et Louis-Braille, CISSS de la Montérégie-Centre
📍 To learn more about Walter Wittich’s research activities, follow him on LinkedIn and on his YouTube channel.
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CRIR | February 20, 2026

