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About Dr. Sonia Greaven

Clinical Psychologist

Who Is Dr. Sonia Greaven?

Dr. Sonia Greaven is a licensed clinical psychologist, specializing in Cognitive Behavioral Therapy (CBT) using exposures (ERP).

Dr. Greaven is a licensed psychologist working in Encino and Calabasas, California. Licensed in California PSY20962

She specializes in providing cognitive behavioral therapy to individuals suffering from anxiety disorders, as well as stress related to work and life transitions.

She is a member of the American Psychological Association and the International OCD Foundation and recognized by Psychology Today.

She has worked in West LA and the San Fernando Valley for over 15 years.

Dr. Greaven received her Ph.D. in Clinical Psychology from Dalhousie University, Halifax, Canada and her B.A. in Honors Psychology at McGill University, Montreal, Canada

Dr. Greaven has conducted research and co-authored several studies in the areas of mood disorders, the psychology of gastrointestinal disorders, and life transitions.

She was a consultant to the NFL in Dallas for the Joyful Heart Foundation and its mission to transform society’s response to sexual assault, domestic violence, and child abuse, support survivors’ healing, and end this violence forever.

Dr. Greaven provides consultations in English, French, and Spanish.

To accommodate busy schedules and to provide the best results, Dr. Greaven offers in-office and off-site treatment options, as well as phone and virtual video appointments.

Publications and Scholarly Contributions

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Peer Reviewed Published Manuscripts


Vallis, T.M., Greaven, S.H., & Leddin, D. (2002). What are we going to do with you? Gastroenterology service providers’ perception of “difficult to manage” IBD patients.  Canadian Journal of Gastroenterology, 16 (2), 87-93.

Greaven, S. H., Santor, D. A., Thompson, R. & Zuroff, D.C. (2000). Adolescent self-handicapping, depressive affect, and maternal parenting styles. Journal of Youth and Adolescence, 29(6), 631-646.

Blake, K. & Greaven, S.H. (1999). Reports of new approaches in medical education: How to recruit and follow adolescent standardized patients. Academic Medicine, 74 (5), 584.
Blake, K. & Greaven, S.H. (1999). Adolescent girls as simulators of medical illness. Medical Education, 33, 702-703.

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Peer Reviewed Invited Symposium


Greaven, S.H. & Santor, D.A. (1999). Timing of transitions in adolescence. Part of a symposium on attachment across the lifespan, organized by Elaine Scharfe, presented at the 60th Convention of the Canadian Psychological Association, Halifax, NS, Canada.

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Published Abstracts (Refereed)


Greaven, S.H. & Santor, D.A. (2000). Prevalence and perceived importance of transitions in adolescence.

Proceedings of the Sixty-first Annual Convention of the Canadian Psychological Association, 41 (2a), 52.

Greaven, S.H. & Santor, D.A. (1999). Timing of transitions in adolescence. Proceedings of the Sixtieth Annual Convention of the Canadian Psychological Association, 40 (2a), 1.

Greaven, S.H., Yazbek, M. & Assh, D. (1998). Group therapy: A three-stage model. Part of a workshop entitled Psychosocial treatments as an adjunct to pharmacotherapy management in bipolar disorders in adolescents. Proceedings of the Eighteenth Annual Meeting of the Canadian Academy of Child Psychiatry, 5.

Greaven, S.H., Santor, D.A., & Kusumakar, V. (1998). Life stress in adolescents with mood disorders. Proceedings of the Forty-fifth Annual Meeting of the American Academy of Child and Adolescent Psychiatry, 14, 96.

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Scientific Poster Presentations (Refereed)

Blake, K., Greaven, S.H., Gusella, J. & Wakefield, S. (2002) Adolescent girls as standardized patients with risk-taking behaviors: Evaluation of potential risks and benefits. Poster presented at 3rd Annual DME Symposium on Medical Education, Halifax, NS, Canada.

Greaven, S.H., & Santor, D.A. (2000). Prevalence and perceived importance of transitions in adolescence. Poster presented at the 61st Convention of the Canadian Psychological Association, Ottawa, ON, Canada.

Vallis, T.M., Leddin, D., & Greaven, S.H. (1999). The narcotic dependent, refractory IBD inpatient: Better management comes from better understanding. Poster presented at Gastro 99, Vancouver, BC, Canada.

Greaven, S.H., Santor, D.A., and Kusumakar, V. (1998). Life stressors and depressive severity in mood disordered adolescents. Poster presented at the 106th Convention of the American Psychological Association, San Francisco.

Greaven, S.H., Santor, D.A., and Kusumakar, V. (1998). Life stress in adolescents with mood disorders. Poster presented at 45th Convention of the American Academy of Child and Adolescent Psychiatry, Anaheim, CA.

Kusumakar, V., Yazbec, M. and Greaven, S.H. (1997). Case presentation of early-onset bipolar disorder. Presentation given at the 44th Convention of the American Academy of Child and Adolescent Psychiatry, Toronto, Ontario, Canada.

Greaven, S.H., Santor, D.A., Thompson, R., and Zuroff, D.C. (1997). Is self-handicapping in adolescent girls related to mothers’ parenting? Poster presented at the 105th Convention of the American Psychological Association, Chicago, IL.