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Changes in Posture and Interactive Behaviors as Infants Progress From Sitting to Walking: A Longitudinal Study.
Sabrina L Thurman1, Daniela Corbetta2
1Department of Psychology, Elon University, Elon, NC, United States.
Frontiers in Psychology
|April 30, 2019
Summary
Infant posture changes significantly impact manual interaction with the environment. As infants progress from sitting to walking, their exploration and manipulation of objects evolve with varying body positions.
Area of Science:
- Developmental Psychology
- Motor Development
- Human-Environment Interaction
Background:
- Infant motor skills develop rapidly, influencing environmental exploration.
- Understanding the interplay between posture and object manipulation is crucial for developmental insights.
Purpose of the Study:
- To longitudinally assess how infant posture and interaction with surroundings change from sitting to walking.
- To examine the influence of posture variations on infant manual interaction with objects.
Main Methods:
- Longitudinal observation of 13 infants and mothers during free-play sessions.
- Tracking of infant and mother postures (sitting, kneeling, standing).
- Assessment of interaction types (no interaction, passive, fine motor, gross motor) and target transitions.
Main Results:
- Infants' fine motor manipulation decreased in sitting but increased in kneeling/squatting as they became mobile.
- Walking transition involved more passive interactions but increased gross motor activity.
- Posture variations significantly altered manual interaction with the environment, with increased target and posture changes during walking.
Conclusions:
- Infant's increasing use of varied body postures facilitates environmental exploration.
- Progression in posture variations is a key factor in shaping how infants interact manually with their world.
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