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Dr Pierre-Yves Oudeyer

2007

Intrinsic Motivation Systems for Autonomous Mental Development

Topics:
Language
Authors
Pierre-Yves Oudeyer , Frédéric Kaplan , Verena Hafner |

IEEE Transactions on Evolutionary Computation, 11, 2, 2007. pp.265--286.

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Abstract

Exploratory activities seem to be intrinsically rewarding for children and crucial for their cognitive development. Can a machine be endowed with such an intrinsic motivation system? This is the question we study in this paper, presenting a number of computational systems that try to capture this drive towards novel or curious situations. After discussing related research coming from developmental psychology, neuroscience, developmental robotics, and active learning, this paper presents the mechanism of Intelligent Adaptive Curiosity, an intrinsic motivation system which pushes a robot towards situations in which it maximizes its learning progress. This drive makes the robot focus on situations which are neither too predictable nor too unpredictable, thus permitting autonomous mental development. The complexity of the robot's activities autonomously increases and complex developmental sequences self-organize without being constructed in a supervised manner. Two experiments are presented illustrating the stage-like organization emerging with this mechanism. In one of them, a physical robot is placed on a baby play mat with objects that it can learn to manipulate. Experimental results show that the robot first spends time in situations which are easy to learn, then shifts its attention progressively to situations of increasing difficulty, avoiding situations in which nothing can be learned. Finally, these various results are discussed in relation to more complex forms of behavioral organization and data coming from developmental psychology Keywords: active learning, autonomy, behavior, complexity, curiosity, sensorimotor development, cognitive development, developmental trajectory, epigenetic robotics, intrinsic motivation, learning, reinforcement learning, values.
2007

Language Evolution as a Darwinian Process: Computational Studies

Topics:
Language
Authors
Pierre-Yves Oudeyer , Frédéric Kaplan |

Cognitive Processing, 8, 1, 2007. pp.21--35.

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Abstract

This paper presents computational experiments that illustrate how one can precisely conceptualize language evolution as a Darwinian process. We show that there is potentially a wide diversity of replicating units and replication mechanisms involved in language evolution. Computational experiments allow us to study systemic properties coming out of populations of linguistic replicators: linguistic replicators can adapt to specific external environments; they evolve under the pressure of the cognitive constraints of their hosts, as well as under the functional pressure of communication for which they are used; one can observe neutral drift; coalitions of replicators may appear, forming higher level groups which can themselves become subject to competition and selection.
2006

The progress-drive hypothesis: an interpretation of early imitation

Topics:
Language
Authors
Frédéric Kaplan , Pierre-Yves Oudeyer |

Models and mechanisms of imitation and social learning: Behavioural, social and communication dimensions, edited by:Dautenhahn, K. and Nehaniv, C., Cambridge University Press, 2006.

2006

Discovering Communication

Topics:
Language
Authors
Pierre-Yves Oudeyer , Frédéric Kaplan |

Connection Science, 18, 2, 2006. pp.189--206.

2005

Aux sources du langage : l’auto-organisation de la parole

Topics:
Language
Authors
Pierre-Yves Oudeyer |

Cahiers Romans de Sciences Cognitives, In Cognito, 2, 2, 2005. pp.1--24.

2005

The self-organisation of combinatoriality and phonotactics in vocalisation systems

Topics:
Language
Authors
Pierre-Yves Oudeyer |

Connection Science, 17, 3-4, 2005. pp.pp. 325--341.

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Abstract

This paper shows how a society of agents can self-organise a shared vocalisation system which is discrete, combinatorial, and has a form of primitive phonotactics, starting from holistic inarticulate vocalisations. The originality of the system is that: 1) it does not include any explicit pressure for communication; 2) agents do not possess capabilities of coordinated interactions, in particular they do not play language games; 3) agents possess no specific linguistic capacities; 4) initially there exist no convention that agent can use. As a consequence, the system shows how a primitive speech code may bootstrap in the absence of a communication system between agents, i.e. before the appearance of language.
2005

How Phonological Structures Can Be Culturally Selected for Learnability

Topics:
Language
Authors
Pierre-Yves Oudeyer |

Adaptive Behavior, 13, 4, 2005. pp.269--280.

2003

L’auto-organisation de la parole

Topics:
music
2003

The Social Formation of Acoustic Codes with ‘Something Simpler’

Topics:
music
Authors
Pierre-Yves Oudeyer |

proceedings of the Second International Conference on Imitation in Animals and Artefacts, edited by:K. Dautenham and C. Nehaniv, 2003.

2003

The production and recognition of emotions in speech: features and algorithms

Authors
Pierre-Yves Oudeyer |

International Journal of Human Computer Interaction, 01-Feb, 2003. pp.157--183.

2002

Phonemic coding might be a result of sensory-motor coupling dynamics

Topics:
Language
Authors
Pierre-Yves Oudeyer |

Proceedings of the 7th International Conference on the Simulation of Adaptive Behavior, edited by:B. Hallam, D. Floreano, J. Hallam, G. Hayes, J-A. Meyer, MIT Press, 2002. pp.406-416.

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Abstract

Human sound systems are invariably phone- mically coded. Furthermore, phoneme invento- ries follow very particular tendancies. To ex- plain these phenomena, there existed so far three kinds of approaches : Chomskyan"/cognitive innatism, morpho-perceptual innatism and the more recent approach of language as a com- plex cultural system which adapts under the pres- sure of e�cient communication". The two first approaches are clearly not satisfying, while the third, even if much more convincing, makes a lot of speculative assumptions and did not really bring answers to the question of phonemic cod- ing. We propose here a new hypothesis based on a low-level model of sensory-motor interac- tions. We show that certain very simple and non language-specific neural devices allow a popula- tion of agents to build signalling systems without any functional pressure. Moreover, these systems are phonemically coded. Using a realistic vowel articulatory synthesizer, we show that the inven- tories of vowels have striking similarities with hu- man vowel systems.
2002

Phonemic coding might be a result of sensory-motor coupling dynamics

Topics:
music
Authors
Pierre-Yves Oudeyer |

Proceedings of the 7th International Conference on the Simulation of Adaptive Behavior, edited by:B. Hallam, D. Floreano, J. Hallam, G. Hayes, J-A. Meyer, MIT Press, 2002. pp.406-416.

2002

A Unified Model for the Origins of Phonemically Coded Syllables Systems

Topics:
music
Authors
Pierre-Yves Oudeyer |

Proceedings of the 24th Annual Conference of the Cognitive Science Society, edited by:Laurence Erlbaum Associates, 2002.

2002

The Synthesis of Cartoon Emotional Speech

Topics:
music
Authors
Pierre-Yves Oudeyer |

Proceedings of the 1st International Conference on Prosody, edited by:Bel, Aix-en-Provence, 2002.

2001

Introduction to POS: A Protocol Operational Semantics

Topics:
music
Authors
Koning Jean-Luc , Pierre-Yves Oudeyer |

International Journal of Cooperative Information System - Special Issue on Information Agents: Theory and Applications, 2001.

2001

Coupled Neural Maps for the Origins of Vowel Systems

Topics:
music
Authors
Pierre-Yves Oudeyer |

Proceedings of ICANN 2001, International Conference on Artificial Neural Networks, Vienna, Austria, LNCS, springer verlag, Springer Verlag, 2001.

2001

The Epigenesis of syllable Systems : a computational model

Topics:
music
Authors
Pierre-Yves Oudeyer |

Proceedings of ORAGE 2001, Orality and Gestuality conference, Aix-en-Provence, France,, 2001.

2000

Cultural emergence of realistic sound communication systems with simple cognitive abilities

Authors
Pierre-Yves Oudeyer |

2000.

2000

The cultural evolution of syntactic constraints in phonology

Topics:
Language
Authors
Luc Steels , Pierre-Yves Oudeyer |

Artificial Life VII: Proceedings of the seventh International Conference on Artificial Life, Proceedings of the VIIth Artificial life conference (Alife 7), MIT Press, The MIT Press, Cambridge, MA, 2000. pp.382--394.

1999

Self-organisation of a lexicon in a structured society of agents

Topics:
music
Authors
Pierre-Yves Oudeyer |

Advances in Artificial Life (ECAL 99), edited by:Floreano, D. and Nicoud, J-D and Mondada, F., Springer-Verlag, Berlin, 1999. pp.726--729.

1999

Experiment in emergent phonetics

Topics:
music
Authors
Pierre-Yves Oudeyer |

1999.

1999

Self-organisation of a lexicon in a structured society of agents

Topics:
Language
Authors
Pierre-Yves Oudeyer |

Advances in Artificial Life (ECAL 99), edited by:Floreano, D. and Nicoud, J-D and Mondada, F., Springer-Verlag, Berlin, 1999. pp.726--729.