title: Varied environmental conditions and task performance by mentally retarded subjects perceived as distractible and nondistractible.
mesh_terms: D000161:Acoustic Stimulation; D001288:Attention; D001307:Auditory Perception; D002648:Child; D004495:Education of Persons with Intellectual Disabilities; D004777:Environment; D005260:Female; D006801:Humans; D006948:Hyperkinesis / Q000150:complications; D008607:Intellectual Disability / Q000150:complications; D008297:Male; D010775:Photic Stimulation; D013647:Task Performance and Analysis; D013997:Time Factors; D014796:Visual Perception