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Bruce, Susan; Muhammad, Zayyad – International Journal of Disability, Development and Education, 2009
This article presents a review of the literature on object permanence with an emphasis on research on children with severe disabilities. Object permanence is the realisation that objects continue to exist in time and place even when they are no longer visible. This understanding is achieved across Stages IV-VI of Piaget's Sensorimotor Period.…
Descriptors: Object Permanence, Blindness, Physical Disabilities, Mental Retardation