Scola Céline, Bourjade Marie, Jover Marianne
Aix Marseille Université, PSYCLE EA 3273, 13621, Aix-en-Provence, France;
'Cognition, Communication & Development' Team, Octogone Interdisciplinary Research Unit, University of Toulouse Jean Jaurès, Toulouse, France.
Socioaffect Neurosci Psychol. 2015 Nov 5;5:28256. doi: 10.3402/snp.v5.28256. eCollection 2015.
In developmental research, infants are commonly assumed to be early stakeholders in interactions with their caregivers. The tools that infants can use to interact with others vary from visual contact to smiling or vocalizing, and also include motor activity. However, surprisingly few studies have explored how the nature and context of social interactions affect infants' engagement in motor activity.
We investigated the kinematic properties of foot and face movements produced by 11 infants aged between 5 and 9 months during six contrasting dyadic episodes (i.e. passive presence of a stranger or the infant's mother, weak or intense interaction with the stranger/mother as she sings a nursery play song).
The infants' face and foot motor activity was significantly reduced during the interactive episodes, compared with the episodes without any interaction, in both the mother and stranger conditions. Furthermore, the level of their motor activity was significantly lower in the stranger condition than in the mother one for some parameters.
These results are in line with those reported by previous studies and confirm the relevance of using motor activity to delineate the early forms of interactive episodes in infants.
在发育研究中，通常认为婴儿是与照顾者互动中的早期利益相关者。婴儿可用于与他人互动的工具多种多样，从视觉接触到微笑或发声，还包括运动活动。然而，令人惊讶的是，很少有研究探讨社会互动的性质和背景如何影响婴儿的运动活动参与度。
我们调查了11名5至9个月大婴儿在六种不同的二元情境（即陌生人或婴儿母亲的被动在场、陌生人/母亲唱儿歌时的微弱或强烈互动）中产生的足部和面部运动的运动学特性。
与无任何互动的情境相比，在母亲和陌生人两种情境下的互动情境中，婴儿的面部和足部运动活动均显著减少。此外，在某些参数上，陌生人情境下他们的运动活动水平显著低于母亲情境。
这些结果与先前研究报告的结果一致，并证实了利用运动活动来描绘婴儿互动情境早期形式的相关性。
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