Complex trauma, arising from chronic and relational adversity, can disrupt neurodevelopment and impair the integration of emotional, cognitive, and physiological systems. Neuroimaging research shows that repeated stress activation affects the amygdala, hippocampus, and prefrontal cortex, leading to persistent dysregulation and fragmented self-states (Teicher & Samson, 2016; van der Kolk, 2014; Lanius et al., 2010). These findings highlight the importance of clinical approaches that target the nervous system and support neurobiological recovery.

This presentation outlines a neurodevelopmentally informed framework that brings together the Neurosequential Model of Therapeutics (Perry, 2021), Trust-Based Relational Intervention (Purvis, Cross, & Sunshine, 2007), Polyvagal Theory (Porges, 2011), and trauma-related neurocircuitry research (Lanius et al., 2010) through the therapeutic use of play. Research demonstrates that play activates subcortical and limbic regions, enhances neuroplasticity, and fosters social engagement and co-regulation (Gaskill & Perry, 2014; Schore, 2019). By promoting safety, emotional regulation, and relational trust, play becomes a powerful vehicle for trauma integration.

Clinicians can apply rhythmic, sensory, and symbolic play, such as sand tray therapy, expressive arts, and movement interventions, to access implicit memories and support cortical-limbic integration. Participants in this session will gain practical strategies, including session structures and targeted exercises, to incorporate play therapeutically, enhancing co-regulation, self-expression, and relational connection.
By embedding neuroscience into trauma-informed practice, clinicians can move beyond symptom management to facilitate genuine neurobiological healing and resilience not only in children and adolescents but also in adult clients affected by complex trauma.

Authors:
Hsin-Chun Wu, Independent Scholar, United States

About the Presenter(s)
Hsin-Chun Wu is the owner of Deeply Etched Counseling and Consultation, a private practice outpatient mental health facility located in Massachusetts, USA. She specializes in Complex PTSD treatment, provides clinical trainings, and teaches at Harvard Graduate School of Education as a Teaching Fellow.

Connect on Linkedin
https://www.linkedin.com/in/joanna-hsinchun-wu

See this presentation on the full schedule – Wednesday Schedule

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