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My research program addresses critical gaps at the intersection of complex trauma treatment, dissociative disorders, and emerging therapeutic modalities. While a central focus examines the integration of Eye Movement Desensitization and Reprocessing (EMDR) therapy with ketamine-assisted psychotherapy, my work spans multiple interconnected areas: clinical assessment and screening for dissociative presentations, refinement of established techniques like Fraser's conference room approach, trauma-informed care principles in novel treatment contexts, theoretical frameworks for understanding non-ordinary states of consciousness in trauma processing, and the role of meaning-making and spiritual growth in recovery from severe trauma.
This broad research agenda emerges from fifteen years of clinical specialization working with clients whose complex dissociative presentations challenge conventional treatment approaches. The work bridges established evidence-based practices with innovative interventions, always prioritizing rigorous safety standards and phase-oriented treatment principles. Rather than promoting any single modality, this research asks: What do clients with severe trauma and structural dissociation actually need? How do we recognize dissociation when it appears in new treatment contexts? How do we adapt proven techniques for populations that weren't considered during their original development? And fundamentally, how do altered states of consciousness—whether through bilateral stimulation, ketamine, or contemplative practice—facilitate access to defended material while opening possibilities for transformation and meaning?
The research is grounded in structural dissociation theory, Internal Family Systems, Adaptive Information Processing, trauma-informed care principles, and contemplative psychology. It draws on direct clinical observation, careful documentation of treatment processes, and deep engagement with the professional literature across multiple disciplines including dissociation research, EMDR therapy, psychedelic science, contemplative traditions, consciousness studies, and psychotherapy integration. All clinical observations emerge from real-world practice with clients who have provided informed consent for de-identified use of session material in scholarly publication.
This research examines how psycholytic (sub-psychedelic) dosing of ketamine (25-200mg sublingual) can facilitate EMDR processing in clients with complex dissociative presentations. Unlike psychedelic doses that produce full dissociative experiences, psycholytic doses maintain cognitive clarity and the capacity for dual-attention stimulation while temporarily reducing defensive barriers that often block trauma processing.
Key areas of investigation include:
This work builds on existing EMDR innovations for accessing defended material (Knipe's Loving Eyes procedure, Mosquera's Progressive Approach) by exploring pharmacological assistance within phase-oriented treatment frameworks. Preliminary clinical observations suggest improved access to traumatic material, increased tolerance for dual-attention, reduced disruption by protective parts, and accelerated processing in cases where standard EMDR has been persistently blocked.
While growing clinical interest surrounds psychedelic-assisted therapy for PTSD and treatment-resistant depression, practitioners inevitably work with clients who have undiagnosed dissociative disorders—often without recognizing the presence of part-related dissociation or understanding its implications for treatment safety and effectiveness. This research develops screening protocols and treatment modifications specifically for dissociative populations in ketamine-assisted psychotherapy settings.
Current focus includes:
This work recognizes that dissociative disorders represent the most severe forms of chronic trauma-related psychopathology, requiring specialized clinical expertise rather than generic trauma protocols. The goal is to establish evidence-based guidelines that protect vulnerable populations while preserving access to potentially beneficial treatments.
Building on George Fraser's foundational work, this research explores practical applications and theoretical extensions of the conference room technique for treating dissociative identity disorder. Through over fifteen years of clinical practice refinement, this work translates sophisticated theoretical frameworks into accessible, actionable interventions for clinicians working with complex dissociative presentations.
Areas of investigation include:
This research emphasizes practical wisdom derived from extensive direct clinical observation rather than purely theoretical approaches. The work seeks to make effective DID treatment accessible to clinicians who are drawn to this population but intimidated by its complexity.
In development, anticipated 2026-2027
This comprehensive clinical manual integrates fifteen years of practice refinement with George Fraser's conference room technique, offering detailed guidance for clinicians treating dissociative identity disorder. The book bridges theoretical frameworks from structural dissociation, Internal Family Systems, and EMDR therapy with practical, session-by-session interventions.
Chapters cover assessment and diagnosis, understanding the phenomenology of DID, establishing safety and stabilization, developing internal communication through conference room work, trauma processing considerations, crisis management, ethical complexities, and the therapeutic relationship. Extensive case examples illustrate clinical decision-making across diverse presentations, while appendices provide assessment tools, worksheets, and a comprehensive research bibliography.
The book emphasizes phase-oriented treatment, collaborative work with protective parts, and integration of evidence-based modalities while maintaining authentic clinical voice grounded in real practice wisdom.
My current research program encompasses five interconnected papers examining the intersection of EMDR therapy, ketamine-assisted psychotherapy, and dissociative disorders. These manuscripts address critical gaps in the literature where established trauma treatment modalities intersect with emerging psychedelic-assisted approaches.
1. EMDR and Psycholytic Ketamine-Assisted Psychotherapy
This paper proposes a model for integrating psycholytic dosing of ketamine (25-200mg sublingual) with standard EMDR protocols for clients with complex dissociative presentations. Clinical observations suggest that psycholytic doses maintain cognitive clarity necessary for dual-attention stimulation while temporarily reducing defensive barriers that often block trauma processing. The manuscript examines dosing optimization, the role of conference room technique in maintaining parts communication during altered states, and preliminary outcomes across three detailed case presentations involving DID/OSDD-1 clients.
2. EMDR as Non-Ordinary State of Consciousness (NOSC)
This theoretical paper explores phenomenological parallels between EMDR bilateral stimulation and ketamine-facilitated states, proposing that both modalities induce non-ordinary states of consciousness that activate natural healing mechanisms. The work examines how dual-attention creates a unique therapeutic state characterized by simultaneous access to traumatic material and present safety—a quality that may explain both EMDR's effectiveness and its compatibility with psycholytic ketamine protocols. This framework has implications for understanding why these modalities complement each other at neurobiological and experiential levels.
3. Dissociation Screening Protocols for Ketamine-Assisted Psychotherapy
While practitioners increasingly work with clients who have unrecognized dissociative disorders in psychedelic therapy settings, no standardized screening instruments exist to identify these presentations during KAP intake. This paper develops assessment protocols sensitive to dissociative phenomenology, outlines modified treatment approaches for clients with DID/OSDD-1, and establishes safety considerations unique to structural dissociation in ketamine therapy. The work addresses a critical patient safety gap in the expanding field of psychedelic-assisted treatment.
4. Trauma-Informed Care Principles in Ketamine-Assisted Psychotherapy
This practice-oriented paper translates core trauma-informed care principles (safety, trustworthiness, collaboration, empowerment, cultural sensitivity) into specific protocols for ketamine-assisted psychotherapy. The manuscript addresses assessment approaches that build trust, preparation strategies that establish psychological safety, in-session support adapted to trauma histories, and integration processes that honor client agency. This work provides practical guidance for clinicians working with trauma survivors in psychedelic therapy contexts.
5. Conference Room Technique Integration with Ketamine-Assisted Psychotherapy
This paper examines how Fraser's conference room technique can be adapted for use during ketamine sessions with dissociative clients. The work explores using conference room meetings in preparation phases to establish internal system consent, maintaining conference room access during psycholytic dosing for real-time parts communication, and utilizing post-session conference room work for integration across the internal system. Case examples demonstrate practical applications and troubleshoot common clinical challenges.
Additional details and publication information will be provided as manuscripts progress through peer review and are accepted for publication.
Methodological Foundations
This research program relies on careful clinical observation within naturalistic treatment settings rather than controlled experimental designs. All work emerges from real therapeutic relationships with clients who have provided comprehensive informed consent for de-identified use of session material in scholarly publication. This approach prioritizes ecological validity and clinical relevance while maintaining rigorous ethical standards.
Clinical observations are documented through audio/video recording of sessions, detailed session notes, and follow-up assessments. All case material is thoroughly de-identified with pseudonyms, altered identifying details, and composite presentations where appropriate. Multiple levels of review ensure that published material could not reasonably identify any specific individual.
Informed Consent: All clients whose treatment informs this research have provided explicit written consent for de-identified use of clinical material in publication. This consent process addresses the nature of scholarly publication, de-identification procedures, and clients' rights to withdraw consent or request modifications.
Confidentiality Protection: Published case material undergoes rigorous de-identification including pseudonyms, altered demographics, composite presentations, and removal of unique identifying details. When session transcripts are excerpted, all identifying information is removed or changed.
Clinical Priority: Research interests never supersede clinical needs. Treatment decisions are always guided by what serves the client's therapeutic progress, not by research considerations. If clinical needs conflict with research protocols, clinical needs always take precedence.
Multiple Perspectives: For clients with dissociative disorders, informed consent processes include discussion with the presenting client and, where clinically appropriate, consultation with protective parts to ensure the entire internal system has awareness of and agreement with research participation.
Scholarly Integrity: All cited sources are personally reviewed. Clinical insights and theoretical frameworks originate from direct clinical experience and engagement with the professional literature, not from AI generation. While AI tools assist with organizing complex clinical knowledge into linear prose (a specific accommodation for neurodivergent information processing), all substantive content derives from clinical expertise and scholarly engagement.
Scope of Claims: This research acknowledges its limitations as clinical observation rather than controlled experimentation. Findings are presented as preliminary observations requiring systematic evaluation through formal research designs, not as established treatment protocols.
Transparency About AI Use
In the interest of professional transparency: AI (specifically Claude.ai) assists with organizing complex clinical knowledge into linear prose—a valuable accommodation for neurodivergent information processing styles. However, all clinical insights, theoretical frameworks, treatment innovations, and case conceptualizations originate entirely from direct clinical experience and personal engagement with the professional literature. AI serves as a tool for translation and organization, not for generation of clinical content or substitution of clinical judgment.
This approach balances the benefits of assistive technology with commitments to scholarly integrity and authentic clinical voice.
Seaghan Coleman, MSW, LCSW-R
EMDRIA Approved Consultant and Basic Trainer
Trained Ketamine-Assisted Psychotherapist
Founder, Samadhi Healing Collective, Buffalo, New York
Co-Founder, Buffalo EMDR Training Institute
ORCID: https://orcid.org/0009-0002-7457-1765
EMDRIA Credentials: Certified Therapist, Approved Consultant, Basic Trainer, and member of the Approved Consultants Workgroup
Clinical Expertise
With over fifteen years specializing in complex trauma and dissociative disorders, I bring extensive clinical experience to this research program. My practice focuses on clients with dissociative identity disorder, OSDD-1, and complex PTSD, utilizing EMDR therapy, Internal Family Systems, conference room technique, and ketamine-assisted psychotherapy.
Training & Education
As an EMDRIA Approved Consultant and Basic Trainer, I have delivered over 650 hours of therapy training, including EMDR, to mental health professionals across the United States and Canada, including a five-year appointment teaching graduate-level EMDR therapy at SUNY Buffalo Graduate School of Social Work. This extensive teaching experience informs my research focus on translating sophisticated clinical frameworks into accessible, practical interventions for community clinicians.
My training encompasses EMDR therapy (including specialized training in dissociative disorders and complex trauma), ketamine-assisted psychotherapy, Internal Family Systems, Acceptance and Commitment Therapy, and extensive study of structural dissociation theory. Training in ACT provides additional frameworks for working with psychological flexibility, values clarification, and acceptance processes—particularly valuable when clients struggle with identity fragmentation and existential questions about self and meaning.
Through ongoing provision of consultation and supervision to clinicians treating complex trauma and dissociation, I remain deeply engaged with current clinical challenges and treatment innovations. This network of professional collaboration ensures my work stays grounded in real-world practice needs while developing cutting-edge applications.
Philosophical Approach
My clinical and research approach is informed by contemplative practice grounded in Buddhist frameworks. This contemplative foundation cultivates the somatic awareness and grounded presence essential for holding complex trauma material without becoming overwhelmed. The practice of sitting with suffering—both my own and others'—develops the embodied capacity to remain therapeutically present with fragmentation without becoming fragmented myself.
Beyond the pragmatic benefits for clinical work, this contemplative orientation reflects a deeper conviction: healing from trauma is inseparable from questions of meaning, purpose, and spiritual growth. Clients with complex dissociative presentations often grapple with profound existential questions—Who am I when "I" is multiple? What does it mean to have a coherent self? How do I find purpose when my identity itself feels fractured? These aren't peripheral concerns to be addressed after symptom reduction; they're central to the healing process itself.
My research interest in non-ordinary states of consciousness—whether induced through EMDR bilateral stimulation, ketamine, or contemplative practice—emerges from recognizing that transformation often occurs at the edges of ordinary awareness. These altered states can provide access to aspects of experience that remain defended against in normal consciousness, while also opening possibilities for insight, meaning-making, and connection to something larger than the traumatized self.
This philosophical orientation emphasizes pragmatic truth: what is helpful is true, what increases suffering is to be questioned. Clinical innovations must demonstrate their worth through reducing client suffering and increasing adaptive functioning, not merely through theoretical elegance or research protocol adherence. At the same time, "adaptive functioning" includes the capacity for wonder, meaning, purpose, and spiritual connection—not just symptom reduction or behavioral compliance.
I offer consultation to clinicians working with complex trauma, dissociative disorders, and innovative treatment approaches. My consultation practice draws on fifteen years of specialized clinical experience, extensive training across multiple modalities, and ongoing engagement with emerging research. I work with both individual clinicians and treatment teams seeking to deepen their understanding and refine their skills.
Dissociative Disorders:
EMDR Therapy:
Ketamine-Assisted Psychotherapy:
Trauma-Informed Care:
Acceptance and Commitment Therapy (ACT):
Treatment Integration:
Collaborative Research & Professional Development
I welcome dialogue with researchers and clinicians working at the intersection of trauma treatment, dissociation, and emerging therapeutic modalities. If you are conducting related research, developing innovative protocols, interested in collaborative projects, or seeking to build expertise in these areas, please reach out.
Areas of particular interest for collaboration include:
Contact: seaghan.samadhi@proton.me
Website: samadhihealingcollective.com
Training & Speaking
Research findings and clinical innovations directly inform ongoing professional trainings, consultation groups, and conference presentations. I offer specialized training on complex trauma, dissociative disorders, EMDR therapy adaptations, and emerging treatment approaches. Visit the Training page for current offerings and upcoming workshops.
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Seaghan is a master therapist, consultant, and trainer who specializes in trauma and sustainable growth. He works with individuals seeking lasting transformation and only taking new clients for ketamine-focused work.
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Learn MoreProvides trauma-informed support using evidence-based approaches including EMDR, mindfulness-based practices, and somatic therapy to help individuals navigate anxiety, grief, burnout, and major life transitions.
Learn MoreKetamine-assisted psychotherapy combines the safe use of ketamine with guided talk therapy to help individuals process emotions, reduce symptoms of depression, anxiety, and trauma, and promote long-term healing.
Yes. When self-administered in a therapeutic setting with continuous monitoring by a trained therapist, ketamine therapy is considered safe and effective. Our prescribing team at Journey Clinical carefully screens all patients for medical contraindications, and your therapist remains present throughout your entire dosing session to ensure your safety and support.
Research shows ketamine therapy can help with treatment-resistant depression, anxiety, PTSD, OCD, and trauma. It's also effective for grief and loss, medical trauma, ruminating thoughts, self-esteem issues, and existential concerns. The enhanced neuroplasticity created by ketamine can support deep therapeutic work for a wide range of mental health conditions.
Yes, we accept insurance for therapy services. Preparation and integration sessions are covered by insurance (plus your copay). For dosing sessions, 1 hour is covered by insurance (plus copay), with the remaining 2 hours billed as self-pay ($500). Journey Clinical's medical consultation and prescribing services also accept insurance, with options for both insured and uninsured rates.
Dosing sessions are 3 hours and take place in a comfortable, supportive environment. After checking blood pressure and pulse, you'll self-administer sublingual ketamine tablets. Our team will remain present throughout your entire experience. We'll provide music and eye shades to support your internal journey, and once the effects wear off, we'll process and integrate what emerged during the session—all in the same appointment.
No. Because ketamine affects perception and motor function, you’ll need a trusted friend, family member, or ride service to take you home after each session.
While ketamine does have potential for misuse, the risk of addiction in a therapeutic setting is very low. We use carefully controlled doses, medical screening to identify any risk factors, and a structured treatment schedule with built-in integration time between sessions. Our prescribing team monitors your progress throughout treatment, and your therapist remains present during all dosing sessions to ensure safe, intentional use focused on healing rather than escape.
Yes. While the immediate ketamine experience lasts a few hours, the therapeutic benefits often extend well beyond that. Ketamine creates a neuroplastic state that allows your brain to form new neural pathways and perspectives—and these changes can persist with proper integration work. Many clients experience sustained symptom relief, particularly from depression and anxiety. The integration sessions we do after dosing help you consolidate insights and apply them to your life, supporting lasting change rather than just temporary relief.
The main difference is the integration of psychotherapy. Ketamine infusions are typically administered intravenously in medical settings focused primarily on symptom relief, often without therapeutic support during or after the experience.KAP (Ketamine-Assisted Psychotherapy) uses sublingual tablets that you self-administer while your therapist remains present throughout the entire session. We incorporate preparation sessions to set intentions, provide support during your experience, and dedicate significant time to integration work—processing what emerged and connecting it to your healing goals. This therapeutic framework helps transform the ketamine experience from just medication into a catalyst for lasting psychological change and personal growth.
Every person's experience is unique, but most people describe a sense of deep relaxation and an altered state of consciousness where thoughts, emotions, and memories can surface more freely. You might experience visual or auditory changes, a sense of detachment from your body, shifts in your perception of time, or profound insights about yourself and your life.Some experiences feel peaceful and expansive, while others involve processing difficult emotions or memories—both can be therapeutic. The ketamine creates a space where your usual psychological defenses soften, allowing you to explore your inner world with less resistance.You'll remain conscious and safe throughout, and I'll be right there with you the entire time. We set intentions beforehand and create a comfortable environment so you can surrender to whatever your experience brings, knowing you're supported and that we'll process it together afterward.
No—ketamine experiences are highly individual and can vary even for the same person across different sessions. Not everyone has a visual or profound journey. Some people have deeply emotional experiences, others gain intellectual insights, and some describe a peaceful, meditative state. A few people may feel relatively little during the session but notice shifts in their thoughts and emotions in the days that follow.
What matters most isn't the intensity or nature of your experience, but how we work with whatever emerges. Even seemingly "quiet" sessions often yield meaningful material for integration. Your experience will be uniquely yours, shaped by your intentions, what you're working through, and where you are in your healing journey.
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