 Her own struggle with learning disability and the rationale for her program are described in her 2012 book "The Woman Who Changed Her Brain".According to Arrowsmith Young, her methodology is based on research into the principle of neuroplasticity, which suggests that the brain is dynamic and constantly rewiring itself.The program has been incorporated into other public and private schools in Canada, the United States, Australia, and New Zealand, but has drawn skepticism and criticism from several cognitive psychologists and neuroscientists.