In addition to the various treatments proposed for depression, physical exercise may have beneficial effects as an add-on therapy.3,4 However, activities that demand divided attention in daily life (e.g., walking) present an increased risk of falls and impaired cognition. Combined concurrent tasks (dual-task interventions) have been stu-
died in subjects with neuropsychiatric disorders and in normal subjects, although few data exist on depression in the elderly. Studies have produced divergent results regarding other variables such as age and the presence of motor or neuropsychiatric disorders.5-8