She currently works in private practice providing comprehensive assessment and treatment services in the areas of clinical and rehabilitation psychology. Dr. Deffendall has extensive training and experience working with a range of problems including depression, anxiety, post-traumatic stress, health-related issues including chronic pain, and addictions (alcohol, tobacco, cannabis, and other substances). She primarily works within a Cognitive Behaviour Therapy (CBT) framework, with the ability to integrate elements of specialized treatments (such as Dialectical Behaviour Therapy/DBT, Motivational Interviewing/MI) as needed to ensure treatment is effective.