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Karmiloff-Smith, Annette – Developmental Psychology, 2009
This article argues that one dominant position in psychology, linguistics, neuroscience, and philosophy about how genetic disorders point to the innate specification of dissociated modules in the human brain should be replaced by a dynamic, neuroconstructivist approach in which genes, brain, cognition, and environment interact multidirectionally.…
Descriptors: Intelligence, Pervasive Developmental Disorders, Mental Age, Genetics
Siller, Michael; Sigman, Marian – Developmental Psychology, 2008
The objective of the current study was to evaluate the patterns of longitudinal change in the language abilities of 28 children with autism during early and middle childhood. Results from fitting a series of multilevel models showed that children's rate of language growth was independently predicted by (a) children's responsiveness to others' bids…
Descriptors: Mental Age, Autism, Language Acquisition, Longitudinal Studies
Lichten, William – Developmental Review, 2004
The law of intelligence is presented in test independent form. Mental abilities, physical brain size, and infant motor capacity follow the same law of growth from birth to adolescence. Mental growth is independent of race, "SES" or the Flynn effect. The vitality of the mental age scale calls for a reexamination of Wechsler's deviation IQ. This…
Descriptors: Intelligence, Cognitive Ability, Intelligence Quotient, Brain