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. 2008;36(4):367-378.
doi: 10.1016/j.intell.2007.07.003.

A Cognitive Cascade in Infancy: Pathways from Prematurity to Later Mental Development

Affiliations

A Cognitive Cascade in Infancy: Pathways from Prematurity to Later Mental Development

Susan A Rose et al. Intelligence. 2008.

Abstract

Using data from a longitudinal study of preterms and full-terms, the present study examined the structure of infant cognition at 12 months, the extent to which five 12-month abilities (attention, speed, recognition, recall, and representational competence) mediated the relation from prematurity to mental development at 2 - 3 years, and how continuity and change in infant information processing from 7 to 12 months affected later outcome. The results indicated that 12-month measures of infant information processing completely mediated the effect of prematurity on outcome and the infant measures form a 'cognitive cascade,' similar to that seen at 7 months, in which the two more elementary abilities (attention and speed) influenced the more complex ones, which in turn influenced later cognition. Additionally, despite cross-age stability, 7- month assessments contribute to outcome independently of their 12-month counterparts, suggesting that infant abilities undergo important developmental transformations in the second half of the first year of life.

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Figures

Figure 1
Figure 1
The pathways from prematurity and infant information processing at 12 months to MDI at 2- and/or 3-years. Standardized coefficients for all paths are shown. * p < .05, **p < .01.
Figure 2
Figure 2
The pathways from prematurity and infant information processing at 7 and 12 months to MDI at 2- and/or 3-years. Standardized coefficients for all paths are shown. p < .10, * p < .05, **p < .01.

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