Why Are There Developmental Stages in Language Learning? A Developmental Robotics Model of Language Development
| Autor: | Anthony F. Morse, Angelo Cangelosi |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Cognitive Neuroscience
Experimental and Cognitive Psychology Language Development 050105 experimental psychology Developmental robotics 03 medical and health sciences 0302 clinical medicine Artificial Intelligence Cognitive development Learning theory Humans Learning 0501 psychology and cognitive sciences Language Cognitive science 05 social sciences Robotics Cognitive architecture Models Theoretical Language acquisition Embodied cognition Developmental linguistics Psychology 030217 neurology & neurosurgery iCub Cognitive psychology |
| Zdroj: | Cognitive Science. 41:32-51 |
| ISSN: | 0364-0213 |
| Popis: | Most theories of learning would predict a gradual acquisition and refinement of skills as learning progresses, and while some highlight exponential growth, this fails to explain why natural cognitive development typically progresses in stages. Models that do span multiple developmental stages typically have parameters to "switch" between stages. We argue that by taking an embodied view, the interaction between learning mechanisms, the resulting behavior of the agent, and the opportunities for learning that the environment provides can account for the stage-wise development of cognitive abilities. We summarize work relevant to this hypothesis and suggest two simple mechanisms that account for some developmental transitions: neural readiness focuses on changes in the neural substrate resulting from ongoing learning, and perceptual readiness focuses on the perceptual requirements for learning new tasks. Previous work has demonstrated these mechanisms in replications of a wide variety of infant language experiments, spanning multiple developmental stages. Here we piece this work together as a single model of ongoing learning with no parameter changes at all. The model, an instance of the Epigenetic Robotics Architecture (Morse et al 2010) embodied on the iCub humanoid robot, exhibits ongoing multi-stage development while learning pre-linguistic and then basic language skills. |
| Databáze: | OpenAIRE |
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