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  1. Yao, Lan
  2. Algase, Donna

Behavioral disturbances of elders with dementia are prevalent. Yet the science guiding development and testing of effective intervention strategies is limited by rudimentary and often-conflicting theories. Using a theory-synthesis approach conducted within the perspective of the need-driven dementia-compromised behavior model, this article presents the locomoting responses to environment in elders with dementia (LRE-EWD) model. This new model, based on empirical and theoretical evidence, integrates the role of emotion with that of cognition in explicating a person-environment dynamic supporting wandering and other dementia-related disturbances. Included is evidence of the theory's testability and elaboration of its implications. The LRE-EWD model resolves conflicting views and evidence from current research on environmental interventions for behavior disturbances and opens new avenues to advance this field of study and practice.