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Embodied language and early motor restriction: evidence from children with obstetric brachial plexus palsy and
Dzerassa Kadieva1, Evgeny Blagoveshchensky1,2, Olga Agranovich3
1Centre for Cognition and Decision Making, Institute for Cognitive Neuroscience, HSE University, Moscow, Russia.
Insights
Embodied and embedded cognition (EEC) theory suggests development stems from bodily interaction. Studies on motor-impaired children show sensorimotor restriction impacts language and cognitive skills, supporting EEC principles.
Area of Science:
- Developmental psychology
- Cognitive neuroscience
- Clinical neurology
Background:
- Embodied and embedded cognition (EEC) theory posits language and cognition arise from sensorimotor experiences.
- Empirical evidence in clinical populations with motor impairments is limited.
- Early motor disorders offer a unique model to test EEC predictions.
Purpose of the Study:
- To review evidence on cognitive and linguistic development in children with early-onset motor impairments.
- To test the predictions of embodied and embedded cognition (EEC) theory in a motor-restricted population.
- To explore the impact of sensorimotor restriction on neurodevelopmental trajectories.
Main Methods:
- Mini-review synthesizing behavioral, electrophysiological, and structural neuroimaging data.
- Focus on children with obstetric brachial plexus palsy and arthrogryposis multiplex congenita.
- Analysis of cognitive and linguistic outcomes in relation to motor restriction.
Main Results:
- A spectrum of cognitive and linguistic deficits observed, including action-verb semantics and verbal fluency.
- Broader impairments noted in memory, categorical reasoning, and neural processing.
- Findings indicate sensorimotor restriction influences language and cognitive architectures.
Conclusions:
- Early sensorimotor restriction shapes neurodevelopment beyond motor systems.
- Embodied grounding mechanisms are implicated in language and cognitive development.
- Supports the embodied and embedded cognition (EEC) framework in clinical developmental contexts.
Abstract:
Embodied and embedded cognition (EEC) theory proposes that language and cognitive development emerge from bodily interactions with the environment, yet empirical tests of this claim in clinical developmental populations remain rare. This mini-review synthesizes behavioral, electrophysiological, and structural neuroimaging evidence from children with serious early motor disorders-obstetric brachial plexus palsy and arthrogryposis multiplex congenita-which restrict upper limb movement from birth or before, providing a unique opportunity to test EEC predictions in a motor-restricted population. The results reveal a gradient of cognitive and linguistic alterations: from domain-specific deficits in action-verb semantics and verbal fluency, to broader impairments in memory, categorical reasoning, and naturalistic neural processing. Based on these multimodal findings, we propose that early sensorimotor restriction does not only affect motor systems but may shape the neurodevelopmental trajectory of language and other distributed cognitive architectures through mechanisms of embodied grounding.
