Inclusion Criteria:  For participants with movement disorders:  Between 16 and 70 years of age Has an acquired movement disorder secondary to neurological injury Understands English sufficiently to follow simple commands Is a current resident of Quality Living, Inc.  For professionals:  Over 19 years of age A physical therapy or occupational therapy staff member employed by Quality Living, Inc. Has used the KAT device to provide treatment to a participant with a movement disorder  Exclusion Criteria: