This study examined the relation of 3-year core information-processing abilities to lexical growth and development. The core abilities covered four domains--memory, representational competence (cross-modal transfer), processing speed, and attention. Lexical proficiency was assessed at 3 and 13 years with the Peabody Picture Vocabulary Test (PPVT)…

Tested infants at five and seven months of age for visual novelty preference. Tested the same infants at 12, 24, and 36 months by means of a battery of cognitive and language tests that compare novelty preference to general and specific cognitive abilities. Results support recent findings that infant novelty preference is predictive of later IQ.…