TRAUMA & DISSOCIATION INFORMED INTERNAL FAMILY SYSTEMS
How to Successfully Treat C-PTSD and Dissociative Disorders
Learn to use Internal Family Systems to support and provide healing to people with complex trauma and dissociative disorders. By integrating IFS with established research and evidence-based treatment from the trauma field, this book will give you strategies, coping skills, and more to treat these clients effectively and ethically.
HOW TO SUCCESSFULLY TREAT
C-PTSD & DISSOCIATIVE DISORDERS
The information in this book can help by integrating knowledge from the trauma and dissociation field into the already excellent framework of standard IFS. This book will help you increase your ability to treat these clients safely, respectfully, ethically, and successfully.
Inside, you'll discover:
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Strategies to strengthen and support managers’ ability to manage
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Coping skills and affect management for all parts that will help clients get through the healing process more efficiently and protect their daily functioning
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The ability to use basic hypnotic language to enhance the use and impact of the basic IFS process through simple hypnotic wording.
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Helpful ways of conceptualizing this therapy
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And more!
PUBLICATIONS
Joanne H. Twombly has contributed widely to the fields of trauma, dissociation, EMDR, and Internal Family Systems. Her publications integrate clinical expertise with practical guidance for therapists working with complex clients. Explore the full list of publications below!
Twombly, J.H. (2001) – “Safe Place Imagery: Handling Intrusive Thoughts and Feelings.” The EMDRIA Newsletter: Special Edition, December, EMDRIA.
Twombly, J.H. (2005) – “EMDR for Clients with Dissociative Identity Disorder, DDNOS, and Ego States.” In R. Shapiro (Ed.), EMDR Solutions: Pathways to Healing. New York, NY: Norton.
Twombly, J.H., & Schwartz, R. (2008) – “The Integration of the Internal Family Systems Model and EMDR.” In C. Forgash & M. Copeley (Eds.), Healing the Heart of Trauma and Dissociation with EMDR and Ego State Therapy. Springer Publishing Company.
Twombly, J.H. (2010) – “Installation and Transmission of Current Time and Life Orientation; Height Orientation; Safe Space Imagery; Installing Therapist, Therapist’s Office, and Maintaining Duality; Initial Targeting of Traumatic Material.” In M. Luber (Ed.), EMDR Scripted Protocols: Special Populations. New York, NY: Springer Publishing Company.
Twombly, J.H. (2012) – “Overt and Covert Perpetrator Ego States in Dissociative Disordered Patients.” In R. Vogt (Ed.), Perpetrator Introjects: Psychotherapeutic Diagnostics and Treatment Models. Kroenging, Germany: Asanger Verlag.
Twombly, J.H. (2013) – “Integrating IFS with Phase Oriented Treatment of Dissociative Disordered Clients.” In M. Sweezy & E.L. Ziskind (Eds.), Internal Family Systems Therapy: Versatility in Application. New York, NY: Taylor & Francis/Routledge.
Twombly, J.H. (2013) – “The DES and Beyond: Screening for Dissociative Disordered Clients.” Trauma and Recovery: HAP Newsletter.
Twombly, JH (2022) – Trauma and Dissociation Informed Internal Family Systems: How to Successfully Treat Complex PTSD, and Dissociative Disorders. Book available on Amazon.
Twombly, J.H. (2023) – Trauma and Dissociation Informed Internal Family Systems.
Twombly, J.T. (2025) – "The Fire Drill Technique: Sorting through Countertransference with Internal Family Systems." In D. Polidi (Ed.), IFS-Informed EMDR: Creative and Collaborative Approaches. Routledge.