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Mentally simulated motor actions in children.
Xanthi Skoura1, Annie Vinter, Charalambos Papaxanthis
1Laboratoire d'Etude de l'apprentissage et du développement, CRNS UMR 5022, Université de Bourgogne, Dijon, France.
Developmental Neuropsychology
|May 14, 2009
Summary
Motor imagery ability improves with age, showing significant gains by age 10 and robust performance in adults. Arm preference did not affect this skill, suggesting developmental maturation is key.
Area of Science:
- Developmental psychology
- Cognitive neuroscience
- Motor control
Background:
- Motor imagery is the mental simulation of motor actions.
- Understanding its development is crucial for cognitive neuroscience.
- Previous research has not fully explored age-related changes in motor imagery ability.
Purpose of the Study:
- To investigate how age and arm preference impact motor imagery ability.
- To identify developmental trajectories of motor imagery from childhood to adulthood.
- To explore the neural underpinnings of improved action representation.
Main Methods:
- Participants: Children (6.5, 8.3, 10.1 years) and young adults (22.4 years).
- Task: Physically or mentally performing a drawing motor task with either the right or left arm.
- Assessment: Motor imagery ability measured by timing correspondence between executed and imagined movements.
Main Results:
- Motor imagery ability was poor in 6 and 8-year-olds.
- Significant improvement in motor imagery ability was observed by age 10.
- Adults demonstrated robust motor imagery ability, unaffected by arm preference.
Conclusions:
- Motor imagery ability significantly develops throughout childhood and adolescence.
- Maturation of parietal and prefrontal cortices likely underlies improvements in action representation.
- Arm preference does not influence the development of motor imagery ability.
