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Biomedical subjects

M G Pêcheux

Publications and source records attributed to M G Pêcheux.

14 recordsLinked to original sources

Maternal responsiveness to infants in three societies: the United States, France, and Japan.

This study examines and compares prominent characteristics of maternal responsiveness to infant activity during home-based naturalistic interactions of mother-infant dyads in New York City, Paris, and Tokyo. Both culture-general and culture-specific patterns of responsiveness emerged. For example, in all 3 locales infants behaved similarly, mothers also behaved similarly with respect to a hierarchy of response types, and mothers and infants manifest both specificity and mutual appropriateness in their interactions: Mothers responded to infants' exploration of the environment with encouragement to the environment, to infants' vocalizing nondistress with imitation, and to infants' vocalizing distress with nurturance. Differences in maternal responsiveness among cultures occurred to infant looking rather than to infant vocalizing and in mothers' emphasizing dyadic versus extradyadic loci of interaction. Universals of maternal responsiveness, potential sources of cultural variation, and implications of similarities and differences in responsiveness for child development in different cultural contexts are discussed.

Adult↗

Tactual habituation and discrimination of form in infancy: a comparison with vision.

Tactual discriminative abilities out of the control of vision are studied in 5-month-old infants, and compared with their visual discriminative abilities. The relevance of a habituation/reaction to novelty procedure in the tactual modality is tested. An infant control procedure is used in both modalities on 2 independent samples of 32 infants each. Habituation and discrimination occur tactually as well as visually, the duration of holds decreasing more than the duration of looks. Accumulated holding time is 3 times longer than accumulated looking time. Analogies and discrepancies between tactual and visual habituations are discussed, and the problem of sensory dominance is raised. Such results are basic to studies on cross-modal transfer, from vision to touch as well as from touch to vision.

Attention↗

[Problems raised by the production of spatial models by blind children: an experimental study].

The ability to reproduct two-dimensional and threee-dimensional spatial models was tested in eighteen blind children, aged seven to eleven with two tasks (block design test and stick test). Performances and strategies were compared with those of seeing children. The results failed to show any important specific errors in blind children; despite blindness some children reached levels of performance as good as those of seeing children, while others completely failed to follow instructions. All such effects were independent of age. The problem is raised of the psychological conditions of space representation, independent of the afferences through which space is perceived.

Age Factors↗