Physical aspects of the environment (e.g. lighting, background noise) can impact engagement with tasks in individuals with autism, particularly within education settings. However, whether modifying the aspects of the physical environment improves engagement with tasks has received little attention. This systematic review is the first to explore…

The effects of classroom lighting methods on activity level, achievement, visual acuity/fatigue, and health of nonhandicapped and handicapped students are reviewed. Effects of different levels of illumination on behavior also are discussed. Methodological deficiencies and lack of replication have resulted in few tenable conclusions. (Author/CL)

Reviews current literature--noting limitations--and provides observations regarding the impact on learning of six physical attributes of the Montessori prepared environment: aesthetics, spatial factors, light, noise, color, and temperature. Suggests guidelines for Montessori classrooms. Concludes by asserting that considering these six…