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Conference Papers Year : 2017

A Unified Model of Speech and Tool Use Early Development

Abstract

Some studies hypothesize a strong interdependence between speech and tool use development in the first two years of life. To help understand the underlying mechanisms, we present the first robotic model learning both speech and tool use from scratch. It focuses on the role of one important form of body babbling where exploration is directed towards self-generated goals in free play, combined with imitation learning of a contingent caregiver. This model does not assume capabilities for complex sequencing and combinatorial planning which are often considered necessary for tool use. Yet, we show that the mechanisms in this model allow a learner to progressively discover how to grab objects with the hand, how to use objects as tools to reach further objects, how to produce vocal sounds, and how to leverage these vocal sounds to use a caregiver as a social tool to retrieve objects. Also, the discovery that certain sounds can be used as a social tool further guides vocal learning. This model predicts that the grounded exploration of objects in a social interaction scenario should accelerate infant vocal learning of accurate sounds for these objects' names.
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Dates and versions

hal-01583301 , version 1 (07-09-2017)

Identifiers

  • HAL Id : hal-01583301 , version 1

Cite

Sébastien Forestier, Pierre-Yves Oudeyer. A Unified Model of Speech and Tool Use Early Development. 39th Annual Conference of the Cognitive Science Society (CogSci 2017), Jul 2017, London, United Kingdom. ⟨hal-01583301⟩

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