Attachment, Dissociation, and Unresolved Mourning of Trauma or Loss

Attachment theory is an evidence-based field of study that identifies attentional and coping strategies that are rooted in the quality of early infant-caregiver relationships. This webinar offers detailed descriptions of infant and adult classification patterns. Dissociative processing, including dissociative disorders, will be presented in relationship with early and adult attachment experiences, in particular, how unresolved mourning is associated with dissociation. Clinical approaches to treat dissociative disorders that are based on attachment research findings will be incorporated into this webinar.

This session was originally presented as a live webinar in May 2019.

Target Audience


Learning Objectives

Upon Completion of this webinar participants will be able to:

  • Identify the three organized attachment classifications and the two forms of disorganized classification
  • Describe markers indicating unresolved loss or trauma
  • Recognize treatment pitfalls when implementing attachment-based theory with dissociative disordered patients
Course summary
Available credit: 
  • 1.50 ISSTD Certificate Program
    This program is eligible for 1.50 credits in the ISSTD Certificate Program.
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Presenter: Paula Thomson, PsyD
Presenter Bio: Paula Thomson, PsyD, is Professor in the Department of Kinesiology, California State University, Northridge (CSUN). She is a licensed Clinical Psychologist, adjunct faculty at Pacifica Graduate Institute, and Professor Emeritus and Senior Scholar at York University (Canada). She is Co-Director of the Performance Psychophysiology Laboratory at CSUN, which focuses on research investigating the psychological and physiologic effects of stress on performers, athletes, healthy active individuals and patients with functional disorders. She is co-author of the books, Creativity and the Performing Artist: Behind the Mask and Creativity, Trauma and Resilience. She is a former ISSTD Board of Directors and is a reliable coder of the Adult Attachment Interview. In 2013, she was named one of the top 20 female professors in California.

Available Credit

  • 1.50 ISSTD Certificate Program
    This program is eligible for 1.50 credits in the ISSTD Certificate Program.


ISSTD Member cost:
Your Price:
Please login or register to take this course.

"Your Price" above reflects your final price based on your membership status and career level. 

  • ISSTD defines a student as those enrolled in a program of study leading to a degree or certification in the mental health field and who have an interest in trauma and dissociation. 
  • ISSTD defines an emerging professional as mental health professionals who have completed an advanced degree and are in the first three years of their career (or first three years after graduation for researchers).
  • If you do not fall into one of the above categories please register as Professional/Retired. 

These prices are for Tier I countries. For a list of countries by Tier click here. If you are located in a country that falls into Tier II-VI please contact ISSTD at to receive the appropriate discount code.