January 27, 2023

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Why are babies always moving?

One study suggests that the spontaneous, random movements of newborns make sense Posted on PNAS who analyzed them through a computer model, discovered that they reveal exploratory behavior capable of developing the sensory system (which controls our movement and coordination skills).

A better understanding of how this biological system evolved can help us understand the origin of human movement and diagnose any developmental disorders as early as possible.

The goal: walking. To reach these conclusions, the researchers recorded the joint movements of 12 healthy babies born less than ten days old and 10 babies around three months of age. They then evaluated the pups’ muscle activity and sensory input signals with the help of a computer model, and finally analyzed the characteristics of the interactions between muscle activity and input signals using algorithms.

“Studies to date have indicated that infants develop their sensorimotor sensory system through rapid, focused movements,” explains Hoshinori Kanazawa, one of the authors. “Our results show that this is not the case, and that their movements ‘wander’ just out of curiosity, looking for sensory interactions.”

early diagnosis. According to what was discovered, the children will not repeat the same movement until they learn it, but they will perform many different movements, and learn to move in space by exploring it with curiosity.

In addition to a better understanding of how children develop, further studies in this area could help identify which behaviors are normal and which, instead, could indicate a developmental delay: “My ultimate goal is to understand the mechanisms behind motor development and promote child development,” he concludes. Kanazawa.

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