Norman Doidge is a Canadian psychiatrist and author known for his work in the field of neuroplasticity, which is the brain's ability to reorganize itself by forming new neural connections. He gained widespread recognition for his books, particularly "The Brain That Changes Itself," where he explores how the brain can adapt and heal from injuries and disorders. In addition to his writing, Doidge has contributed to various academic and clinical discussions about mental health and rehabilitation. His work often emphasizes the importance of understanding the brain's potential for change, which has implications for treatments in areas such as stroke recovery and learning disabilities.