Psychology for

changing bodies 


Here at BodyChanges we provide Clinical Psychology assessment and support to people who are about to undergo, or who have already had, weight-loss surgery. We also provide counselling and coaching interventions for individuals who wish to lose weight by non-surgical means.

About Us

Dr. Cal Paterson FACPA

Cal is a Clinical Psychologist who has been working in the field of Psychology since 1997. After completing an honours degree in Science (Psychology) at UNSW, Cal began work at Rydalmere hospital, working in behavioural interventions with severely disabled adults in institutional care. Since then Cal has worked in government and NGO settings, education, and in private practice with diverse groups including children, families, couples, and adults, providing interventions and support for mental health conditions, chronic health conditions and other areas of psychology practice. 

In 2007 Cal was awarded a doctorate of Psychology (Clinical) from Macquarie University. Cal's thesis, titled "Great Expectations: Applying Common Factors theory to practice in Psychotherapy" was presented in part at the annual conference of the International Society for Exploration of Psychotherapy Integration in Lisbon, Portugal in 2006. Cal has presented papers, seminars and workshops in Australia and overseas in topics ranging from intellectual disability family therapy, to principles of couple therapy, to Psychological intervention for Chronic Health Conditions. 

Cal is an AHPRA-registered Clinical and Supervising Psychologist, a Founding Member of the Australian Clinical Psychology Association, A member of the International Society for the Exploration of Psychotherapy Integration, and an associate member of the Obesity Surgery Society of Australia and New Zealand.

Cal started BodyChanges in 2011 as a Psychology service for patients undergoing bariatric (obesity) procedures. Since then the practice has provided support to hundreds of people with weight loss or management or other issues associated with chronic health conditions. 

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