Interoception Assessment Forms - set of 10 assessment forms. The book Interoception: The Eighth Sensory System describes the clear link between interoception and important skills such as self-awareness, self-regulation, problem solving, intuition, and many more. Author Kelly Mahler designed various assessments for the book, included in this workbook, which give professionals and parents a new way to evaluate individuals with ASD and provide targeted strategies to overcome challenges.