Evaluation of the effectiveness of two clinical training procedures to elicit yes/no responses from patients with a severe acquired brain injury: a randomized single-subject design

PRIMARY OBJECTIVE: Thirteen (10 males) participants with severe acquired brain injuries (ABI) were randomly assigned to two treatments, A or B (ABAB, BABA) in a crossover study to determine which treatment approach elicited more consistent and reliable yes/no responses. RESEARCH DESIGN: Treatment A consisted of an enriched stimulus environment, collaborative multidisciplinary interventions and additional yes/no response training, while …