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Publications and Research

Instinctual Trauma Response:

An Emerging Evidence Base, A Strong Foundation for More Research

ITR Training Institute is committed to supporting rigorous research to establish the feasibility, acceptability, safety, and efficacy/effectiveness of the ITR approach across different presentations. Emerging evidence from small clinical trials and quasi-experimental single-arm studies has highlighted the potential that ITR holds, with positive pilot studies among people with post-traumatic stress disorder. The current body of research remains limited in scope, so well-designed randomized controlled trials (RCTs) with replication for each specific mental health condition are required to establish ITR as an evidence-based intervention for condition-specific mental health treatment indications.  Larger fully-powered clinical trials are needed for each clinical indication. Finally, though several studies report high levels of acceptability, the risk of harm or adverse events needs to be systematically studied. The studies conducted thus far have provided valuable preliminary insights and represent a strong foundation for future research. 

 

ITR Training Institute is doing research studies with Law Enforcement!

Spring 2026  

"Evaluating the Effectiveness of the Instinctual Trauma Response® with Law Enforcement in a Time-limited Group Setting"

We are conducting this study in Baltimore, Tallahassee and other locations and need practitioners to lead and/or assist a small group of Law Enforcement officers. They will work through a research guidebook. Please let us know if you are interested in helping us make ITR evidence-based!

Join Us! Send us your information or questions on the Contact Us form.

Summary of Research on Instinctual Trauma Response®

Here is a summary of the research done on ITR. More research is underway with the partnership of Florida State University. 
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Outcomes for Use With Clients

Here is a one-page for anyone to download to help encourage the use of ITR® with outcome data.
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A Longitudinal Analysis on the Effect of Dropout on Instinctual Trauma Response Treatment Using Maximum Likelihood Methods and Multiple Imputation

Georgia Smith took the years of outcome data collected by Drs. Tinnin and Gantt at the Intensive Trauma Therapy clinic in Morgantown, WV. The follow up assessments were sent to the client after an intensive to be filled out and returned in a self-addressed stamped envelope. Because of this system, many did not comply. 
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Poster from the 2024 Trauma Research Foundation Conference

ITR Outcome Poster Presentation by
Jill Opalesky, Georgia Smith, and Linda Gantt
The recording of this presentation is not available but there is similar data presented in this webinar video CLICK HERE
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Art Therapy with Military Populations:
History, Innovation, & Applications

Chapter 12:
Using the Instinctual Trauma Response Model in a Military Setting
by Linda Gantt and Mary Ellen Vesprini
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Autism, Neuroplasticity, & the ITR® Method

This is the powerpoint for a fascinating study Dr. Zettler conducted with low-verbal children on the autism spectrum. They had great results. The slides are very informative.
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The Arts In Psychotherapy Journal
July 2009 Issue

Support for a neurobiological view of trauma with implications for art therapy
by Linda Gantt & Louis Tinnin
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The Arts In Psychotherapy Journal
2007 Issue

Intensive trauma therapy of PTSD and dissociation: An outcome study
by Linda Gantt & Louis Tinnin
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Architects of Art Therapy: Memoirs and Life Stories

Chapter 23:
An Accidental Art Therapist
by Linda Gantt
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Some of the Publications on Trauma by Gantt and Tinnin

Partial List of Publications
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Daily Progress Report 

Dissociative Regression Regimen by Dr. Louis Tinnin
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Get the New Updated 2nd Edition of the FEATS manual on Pre-order now!

GET THE BOOK

The Instinctual Trauma Response And Dual-Brain Dynamics

(Drs. Tinnin and Gantt's book in paperback)

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