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- Title
Sensorimotor Oscillations in Human Infants during an Innate Rhythmic Movement.
- Authors
Vitali, Helene; Campus, Claudio; De Giorgis, Valentina; Signorini, Sabrina; Morelli, Federica; Fasce, Marco; Gori, Monica
- Abstract
The relationship between cerebral rhythms and early sensorimotor development is not clear. In recent decades, evidence revealed a rhythmic modulation involving sensorimotor processing. A widely corroborated functional role of oscillatory activity is to coordinate the information flow across sensorimotor networks. Their activity is coordinated by event-related synchronisation and desynchronisation in different sensorimotor rhythms, which indicate parallel processes may be occurring in the neuronal network during movement. To date, the dynamics of these brain oscillations and early sensorimotor development are unexplored. Our study investigates the relationship between the cerebral rhythms using EEG and a typical rhythmic movement of infants, the non-nutritive sucking (NNS) behaviour. NNS is an endogenous behaviour that originates from the suck central pattern generator in the brainstem. We find, in 17 infants, that sucking frequency correlates with beta synchronisation within the sensorimotor area in two phases: one strongly anticipating (~3 s) and the other encompassing the start of the motion. These findings suggest that a beta synchronisation of the sensorimotor cortex may influence the sensorimotor dynamics of NNS activity. Our results reveal the importance of rapid brain oscillations in infants and the role of beta synchronisation and their possible role in the communication between cortical and deep generators.
- Subjects
CENTRAL pattern generators; INFANTS; OSCILLATIONS; NEURAL circuitry; SENSORIMOTOR cortex
- Publication
Brain Sciences (2076-3425), 2024, Vol 14, Issue 4, p402
- ISSN
2076-3425
- Publication type
Article
- DOI
10.3390/brainsci14040402