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Movement-related brain macropotentials during skilled performances. A developmental study

STS Instructor Authored by Giuseppe A. Chiarenza

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Check out this Knowledge Base article from StressTherapy Solutions: Movement-related brain macropotentials during skilled performances. A developmental study.

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Study at a glance

Area
Learning & Development
Study type
Observational study
Authors
Chiarenza GA, Papakostopoulos D, Giordana F, Guareschi-Cazzullo A
Journal
Electroencephalography and Clinical Neurophysiology
Year
1983
Participants
30
Population
Children
Protocol
movement-related brain potentials during a skilled timing task

Key findings

  • A consistent readiness potential appeared around age 10; it was absent or reversed in younger children
  • The motor cortex potential and P200 were present at all ages
  • The skilled performance positivity was missing at 8-9 years and appeared from about 11
  • Performance, muscle timing and brain potentials all changed significantly with age

DOI 10.1016/0013-4694(83)90263-8 → PubMed 6193951 →

Thirty typical children aged 8 to 13 were recorded while doing a self-paced two-handed skilled timing task, with EEG at frontal, central and precentral sites and forearm muscle activity. The study traced at what ages the different movement-related brain potentials appear. Different components emerged at different ages, pointing to brain systems for movement planning and evaluation maturing at different rates.