98' 3, page 43

Zyryaniva N. M.
Longitude study of generalised cognitive characteristics in twins
(resume)

The author analyses the correlations between the most generalized characteristics of cognitive activity - intelligence and image-visual thinking and investigates the changes in these correlations during age-specific development. Special attention is paid to the role of genotypic factors deter-mining such changes. The results of phenotypic and genetic correlations analysis show that image-visual characteristics at pre-school and junior school age are predictive for later levels of intelligence development.

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