Authors Mary Kawar MS, OTR and Sheila Frick OTR continue their quest to provide practical treatment guidelines for Sensory Processing Dysfunction with this 2nd book in their Handbooks for Innovative Practice Series. The vestibular system, as a bridge between sensory processing and movement control, plays a major role in everything we do including looking and listening. Astronaut training presents a long-awaited protocol for improving function in the Vestibular-Auditory-Visual Triad. Handbook and Companion Music CD.