Motor Induced Plasticity

This research area connects motor cognition, tool use, and neural plasticity. Tool use is scientifically important because it transforms the relation between body, object, and reachable space. When an animal learns to use a tool, the tool is no longer just an external object; it may become functionally incorporated into action planning, extending the effective range of the body and changing the demands placed on perception, motor control, and spatial representation.

For the website, this section should be framed as a comparative and neurobiological investigation of skilled action. It can include laboratory studies of macaque tool-use learning, analysis of action sequences and manipulative strategies, and collaboration-based field work on chimpanzee tool use. The visual language from the slide - primates interacting with a tool, with an energetic transformation between the two actions - fits this concept well because it evokes motor learning as a dynamic reorganization of the action system. The wording should be careful. Some publications are directly connected to Ferrari and colleagues, especially macaque tool-use learning and motor representation. Other material, such as recent chimpanzee tool-use development, appears more appropriate as a collaboration or contextual field reference. The main scientific message is that tool use provides a powerful model for studying how experience modifies motor repertoires, how actions are generalized to new contexts, and how sensorimotor systems may support the evolutionary expansion of skilled behavior.

Methods

  • tool-use learning tasks
  • action-sequence and grip-pattern analysis
  • video-based kinematic coding
  • comparative primate behavioral observation
  • longitudinal analysis of skill acquisition
  • sensorimotor plasticity paradigms
  • field ethology in wild chimpanzees where applicable
  • learning-curve and task-accuracy modelling

Papers

ReferenceTopicsURL
Macellini et al. (2012). Individual and social learning processes involved in the acquisition and generalization of tool-use in macaques. Philosophical Transactions of the Royal Society B, 367(1585), 24-36.Directly relevant macaque tool-use learning and generalization work.DOI: 10.1098/rstb.2011.0125
Malherbe et al. (2024). Protracted development of stick tool use skills extends into adulthood in wild western chimpanzees. PLOS Biology, 22(5), e3002609.Strong field reference for protracted development of primate tool-use skill.DOI: 10.1371/journal.pbio.3002609
Peeters et al. (2009). The representation of tool use in humans and monkeys: Common and uniquely human features. Journal of Neuroscience, 29(37), 11523-11539.Comparative neuroimaging background on tool representation.DOI: 10.1523/JNEUROSCI.2040-09.2009
Bonini et al. (2011). Grasping neurons of monkey parietal and premotor cortices encode action goals at distinct levels of abstraction during complex action sequences. Journal of Neuroscience, 31(15), 5876-5886.Motor/action-sequence framework relevant to skilled tool-related action.DOI: 10.1523/JNEUROSCI.5186-10.2011