ArticleFrontiers in psychology2021
6-Month-Old Infants' Sensitivity to Contingency in a Variant of the Mobile Paradigm With Proximal Stimulation Studied at Fine Temporal Resolution in the Laboratory.
Article in Frontiers in psychology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Infants and Mobiles: Developing an Understanding of Cause and Effect.Developmental science · 2026Article
- A quarter century of research on infant contingency learning: Current and future directions.Infant behavior & development · 2025Review
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4 authors.
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Abstract
Infants' ability to monitor "sensorimotor contingencies," i.e., the sensory effects of their own actions, is an important mechanism underlying learning. One method that has been used to investigate this is the "mobile paradigm," in which a mobile above an infant's crib is activated by motion of one of the infant's limbs. Although successfully used in numerous experiments performed in infants' homes to investigate memory and other types of learning, the paradigm seems less robust for demonstrating sensitivity to sensorimotor contingencies when used in the laboratory. One purpose of the present work was to show that certain changes to the mobile paradigm would make it easier for infants to show their sensitivity to the contingency in the lab. In particular, we used proximal stimulation on infants' wrists instead of the usual mobile, and our stimulation was coincident with the limbs that caused it. Our stimulation was either on or off, i.e., not modulated by the amount the infant moved. Finally, we used a "shaping" procedure to help the infant discover the contingency. In addition to these changes in the paradigm, by analyzing infants' limb activity at 10-s resolution instead of the usual 1-min resolution, we were able to show that infants' sensitivity to the contingency became apparent already within the first minute of establishment of the contingency. Finally, we showed how two alternate measures of sensitivity to contingency based on probability of repeated movements and on "stop and go" motion strategies may be of interest for future work.
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