Step SI

Step SI

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Registrations will open later in 2022 !

This workshop presents a clinical reasoning model for treating children who have unusual and challenging behaviors involving a lack of modulation of sensation. The understanding of treatment for individuals with sensory modulation difficulties (SM) are becoming better identified in the greater body of sensory integration theory. This course will provide an overview of the theoretical foundations of SM from occupational therapy literature and related neuroscience research. A model for planning, implementation, and monitoring treatment will be presented:   Sensation, Task, Environment, Predictability, Playfulness, Self-Monitoring, and Interactions (S.T.E.P2.S. I.). The STEP2SIⓒ is a principle-based model that breaks down treatment into easily understandable components. The STEP2SIⓒ is an evidence-based model originally devised in the late 1990-s and now updated for a new generation of therapists and for educators and parents.. Participants should have foundation knowledge in sensory integration (Ayres SI (ASIⓇ) in particular) theory and treatment. 


  1. Discuss the construct of sensory modulation from existing OT literature and related neuroscience research.
  2. Define the key features of occupational therapy treatment for children with sensory modulation difficulties.
  3. Design a treatment plan for a child with a sensory modulation profile.
  4. Apply the reasoning model to common areas of practice including clinic based direct treatment, school program implementation, consultation with parents or other clinicians, and as a guide to assessment and progress monitoring.

About the Presenters

Tracy Murnan Stackhouse, MA, OTR is the executive director of Developmental FX (DFX) in Denver, Colorado, a non-profit organization providing clinical and training services to engage and elevate pediatric therapeutic practice. She is a leading pediatric occupational therapist (OT) involved in clinical treatment, research, mentoring, and training regarding OT intervention for persons with neurodevelopmental disorders, especially Fragile X Syndrome and autism. Tracy has a master’s degree in developmental psychology/neuroscience. She received her NDT training with Lois Bly. She is SIPT Certified and was the clinical specialist in sensory integration at The Children’s Hospital in Denver as well as the OT for the Fragile X Research and Treatment Center. Tracy continued her clinical and research work with Dr. Randi Hagerman at the UC Davis M.I.N.D. Institute during its start-up year prior to starting Developmental FX. Tracy has written several book chapters on sensory integration and neurodevelopmental disorders, and teaches nationally and internationally on sensory integration, autism, fragile X and related topics. She is the lead author for the SpIRiT  & S.T.E.P.S.I. Clinical Reasoning Tools which are leading-edge evidence-based models in pediatric OT. These models are utilized in OT practices around the globe and included in the model at Camp Jabiru in Australia.  The tools are shared through the “Spirited Conversations’ Podcast as well as through DFX’s training platform, Learning Journeys. Tracy is a member of the National Fragile X Foundation Clinical Research Consortium, the Scientific And Clinical Advisory Committee, and the NFXF Advisory Council.


Sharen Trunnell, OTR, is an occupational therapist with over 30 years of experience treating infants and children through 21 years of age and is currently retired.. She is certified in administration and interpretation of the SIPT and is trained in NDT. She was an  OT at The Children's Hospital, Denver, where she provided assessment and treatment of children with a variety of diagnoses, including cerebral palsy, sensory integrative dysfunction, burns, head trauma, autism, and developmental delays.  Sharen also worked with Ms. Stackhouse at Developmental FX. 


Julia Wilbarger, PhD, OTR, received a BS in Physiological Psychology from UC Berkeley, an MS in OT from Boston University, and a PhD in Developmental Cognitive Neuroscience from the University of Denver, Colorado. She has worked as an OT in early intervention with high risk and developmentally delayed infants and toddlers in diverse settings. She is certified in the administration of the SIPT and trained in NDT. She served as a clinical specialist in sensory integration at The Children's Hospital, Denver. She is currently an associate professor and Department Chair  at  Dominican University in the Department of Occupational Therapy.


David Jereb, OT  David (Dave) is an occupational therapist and director of MoveAbout Therapy Services, a paediatric occupational therapy service in the Hills District of Sydney and on the Central Coast of NSW. He has a Bachelor of Applied Sciences (Occupational Therapy) and a Masters of Health Sciences (Occupational Therapy) from the University of Sydney.

 Dave has worked in multidisciplinary teams in Sydney and Chicago. He is known for having expertise in working with children with challenging behaviours, sensory processing challenges, regulatory difficulties and difficulties in engaging and relating, including autism spectrum disorders.

Dave is the co-author of the MoveAbout Activity Cards, a resource that provides children and families with physical activities to support attention and regulation. He has presented workshops entitled ‘A Dynamic Approach to Regulation & Behaviour’ and ‘Connecting with Kids with ASD’.

His professional mission is to inspire, support and challenge paediatric OTs throughout Australia. Dave and the MoveAbout team mentor OTs at all levels, providing support in their career and development. From new grads through therapists seeking to develop their niche and move into leadership positions, as well as practice owners looking to discover how best to nurture and inspire their team.


Course Curriculum

14.00 Contact Hours-All participants will receive certification of the number of contact hours attended.

  • Introduction and overview
  • Coming to an understanding of Sensory Modulation (SM)
  • Neuroscience Concepts related to SM
  • Clinical reasoning process
  • Identification of SM: Strategies for assessment
  • The STEP2SI: What it is and how it works
  • Utilizing the STEP2SI as a clinical tool
  • The Elements of the STEP2SI: - Demonstration labs and application
  • Case Study: Treatment, Planning, &
  • Implementation
  • Case planning and discussion
  • STEP2SI  beyond the clinic
  • Questions and Wrap-up

 **More information will be available soon 

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