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Campbell, Colin; Landry, Oriane; Russo, Natalie; Flores, Heidi; Jacques, Sophie; Burack, Jacob A. – American Journal on Intellectual and Developmental Disabilities, 2013
The influences of verbal mental age (VMA) and performance mental age (PMA) on cognitive flexibility were examined among a group of participants with Down syndrome (DS), in order to disentangle the relative contributions of each. The impaired cognitive flexibility typically observed among individuals with DS in combination with uneven VMA and PMA…
Descriptors: Verbal Ability, Preschool Children, Down Syndrome, Nonverbal Ability