An Adapted Acoustic Orientation System for Promoting Independent Indoor Travel and Activity in Persons with Profound Multiple Disabilities

Two experiments assessed the effectiveness of an adapted acoustic orientation system in promoting independent indoor travel and activity in two adults with profound multiple disabilities. The system consisted of a portable control device and acoustic sources. The portable control device activated each programmed destination (and turned on the acoustic sources showing the way to it) automatically, after a preset time had elapsed from the subject reaching the previous destination. The acoustic sources emitted verbal messages as orientation cues. Results indicated that the subject participating in Experiment 1 was highly successful in reaching the various destinations and carrying out the activities available. The subject participating in Experiment 2 also showed a definite improvement in travel and activity. General implications of the findings were discussed.