Brain representation of action observation in human infants
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Imitative learning has long been established as extremely important for early development. However, neural mechanisms involved in early imitative behaviours are still areas of active research. Neurophysiological and brain-imaging studies have been recently performed that provide initial evidence of brain activation associated with action observation in the first months of life. In this review we examine all studies exploring the effects of action observation on brain function assessed by means of non-invasive brain-mapping techniques. Seventeen papers were selected as a result of our literature search. The strongest evidence for a neural signature of action observation comes from studies exploring the desynchronization of the µ-rhythm, which was reported for both occluded and visible goal-directed grasp, and was correlated with the totality of the infant's own action experience. The effects of action observation were reported on event-related potentials (ERPs) or near infrared spectroscopy. Taken together, these studies suggest that, in early infancy, a direct visual-motor matching process is already detectable as early as 6 months, suggesting a matching between action perception and execution already in infancy. If confirmed by future studies, these findings will shed light on the mechanisms of early motor development and imitation, and will be key to informing novel rehabilitation strategies in infants with congenital brain damage.
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UP-BEAT (Upper Limb Baby Early Action-observation Training): Protocol of two parallel randomised controlled trials of action-observation training for typically developing infants and infants with asymmetric brain lesionsGuzzetta, A.; Boyd, Roslyn; Perez, M.; Ziviani, J.; Burzi, V.; Slaughter, V.; Rose, S.; Provan, K.; Findlay, L.; Fisher, I.; Colombini, F.; Tealdi, G.; Marchi, V.; Whittingham, K. (2013)Introduction: Infants with asymmetric brain lesions are at high risk of developing congenital hemiplegia. Action-observation training (AOT) has been shown to effectively improve upper limb motor function in adults with ...
Burzi, V.; Tealdi, G.; Boyd, Roslyn; Guzzetta, A. (2016)© 2016 Mac Keith Press.Action observation therapy has been found to be effective in improving hand motor function in both adults with stroke and children with unilateral cerebral palsy. We here propose a provocative ...
Fixel-based analysis reveals alterations is brain microstructure and macrostructure of preterm-born infants at term equivalent agePannek, K.; Fripp, J.; George, J.; Fiori, S.; Colditz, P.; Boyd, Roslyn; Rose, S. (2018)Preterm birth causes significant disruption in ongoing brain development, frequently resulting in adverse neurodevelopmental outcomes. Brain imaging using diffusion MRI may provide valuable insight into microstructural ...