Ackley, D.E., & Littman, M.L. (1991). Interaction between learning and evolution. In C.G. Langton et. al (eds.) Proceedings of the Second Conference on Artificial Life. Addison-Wesley: Reading, MA.

Baldassarre G., Nolfi S. & Parisi D. (2002). Evolving mobile robots able to display collective behaviours. In C.K. Hemelrijk (ed.) Proceedings of the International Workshop on Self- Organisation and Evolution of Social Behaviour. Zurich, Switzerland: Swiss Federal Institute of Technology.

Baldassarre G., Nolfi S., Parisi D. (2003). Evolving mobile robots able to display collective behavior. Artificial Life, 9: 255-267.

Baldwin J.M. (1896). A new factor in evolution. American Naturalist, 30:441-451.

Batali, J. (1995). Small signaling systems can evolve in the absence of benefit to the information sender. Unpublished manuscript.

Beer, R.D. (2003). The dynamics of active categorical perception in an evolved model agent. Adaptive Behavior, 11(4):209-243.

Billard A. (2000) Learning motor skills by imitation: a biologically inspired robotic model. Cybernetics & Systems, 32, 1-2, 155-193.

Billard, A. and Dautenhahn, K. (1999) Experiments in learning by imitation - grounding and the use of communication in robotic agents. Adaptive Behavior, 7 (3/4): 415-434.

Bongard, J.C. & Pfeifer R. (2003) Evolving complete agents using artificial ontogeny. In F. Hara & R. Pfeifer, (Eds.), Morpho-functional Machines: The New Species (Designing Embodied Intelligence). Berlin: Springer-Verlag.

Cangelosi A (2001) Evolution of communication and language using signals, symbols and words. IEEE Transactions in Evolutionary Computation, 5(2): 93-101

Cangelosi A & Parisi D (1998) The emergence of a `language' in an evolving population of neural networks. Connection Science, 10: 83-97

Cangelosi A., Parisi D. (2001). How nouns and verbs differentially affect the behavior of artificial organisms. In J.D. Moore & K. Stenning (Eds.), Proceedings of the 23rd Annual Conference of the Cognitive Science Society, London: Lawrence Erlbaum Associates, 170-175

Cangelosi A, Parisi D. (Eds.) (2002). Simulating the Evolution of Language. London: Springer- Verlag

Castelfranchi C. (In preparation). When Doing is Saying - The Theory of Behavioral Implicit Communication.

Clark A. and Grush R. (1999). Towards a Cognitive Robotics. Adaptive Behavior, 7 (1), 5-16.

Denaro D. & Parisi D. (1996). Cultural evolution in a population of neural networks In M. Marinaro & R. Tagliaferri (Eds), Proceedings of Neural Nets Wirn-96. New York: Springer, 100-111.

De Croon G., Nolfi S., Postma E.O. (in press), Toward pro-active embodied agents: On the importance of neural mechanisms suitable to process information in time. In D. Braha, A. Minai, Y. Bar-Yam (Eds.) Complex Engineering Systems, Perseus Books Groups Press.

Di Paolo, E. A.. (1997). An investigation into the evolution of communication, Adaptive Behavior 6:2:285-324.

Di Paolo, E. A. (2000). Behavioral coordination, structural congruence and entrainment in a simulation of acoustically coupled agents. Adaptive Behavior 8:1. 25-46.

Floreano, D. and Urzelai, J. (2001) Evolution of Plastic Control Networks. Autonomous Robots, 11: 311-317.

Gers F., Schraudolph N., Schmidhuber J. (2002). Learning precise timing with LSTM recurrent networks. Journal of Machine Learning Research 3:115-143.

Haynes, T., and Sen, S. (1996a). Co-adaptation in a team. International Journal of Computational Intelligence and Organizations, vol. 1(4):1-20. MIT Press. Cambridge, MA, USA.

Haynes, T., and Sen, S. (1996b). Evolving behavioral strategies in predators and prey. In, Lecture Notes in Computer Science: Adaptation and Learning in Multi-Agent Systems, editors: Weiss, G., and Sen, S., pages 113-126. Springer-Verlag, Berlin.

Harvey I., Husband I. & Cliff D. (1994) Seeing the light: artificial evolution, real vision. In D. Cliff, P. Husband, J-A Meyer & S. Wilson (Eds.), From Animals to Animats 3, Proceedings of the Third International Conference on Simulation of Adaptive Behavior. Cambridge, MA: MIT Press/Bradford Books.

Iizuka H. and Ikegami T. (2003a). Adaptive Coupling and Intersubjectivity in Simulated Turn- Taking Behaviours. In Banzahf et al. (Eds.), Proceedings of ECAL 03, Dortmund: Springer Verlag.

Iizuka H. and Ikegami T. (2003b). Simulating Turn-taking Behaviors with Coupled Dynamical Recognizers. In R.K. Standish, M.A. Bedau and H.A. Abbass (Eds.), MIT, Proceedings of Artificial Life VIII, Cambridge, MA: MIT Press.

Iizuka H. and Ikegami T. (in press). Simulating autonomous coupling in discrimination of light frequencies. Connection Science.

Kirby S. (2001). Spontaneous evolution of linguistic structure: An iterated learning model of the emergence of regularity and irregularity. IEEE Transactions on Evolutionary Computation and Cognitive Science, 5(2): 102-110.

Kirby S. (2002). Natural Language from Artificial Life. Artificial Life, 8(2):185--215.

Lindblom J. & Ziemke T. (2003). Social situatedness of natural and artificial intelligence: Vygotsky and beyond. Adaptive Behavior, 11 (2): 79-96.

MacLennan B. J. & Burghardt G. M. (1994). Synthetic ethology and the evolution of cooperative communication. Adaptive Behavior. 2(2):161-188.

Marocco D., Cangelosi A., Nolfi S. (2003), The emergence of communication in evolutionary robots. Philosophical Transactions of the Royal Society London - A, 361: 2397-2421.

Nolfi S., Marocco D. (submitted). Emergence of communication in embodied agents evolved for the ability to solve a collective navigation problem.

Mirolli, M. and Parisi, D. (2004). Language, Altruism and Docility: How Cultural Learning Can Favour Language Evolution. In J. Pollack et al. (Eds.) Artificial Life IX: Proceedings of the Ninth International Conference on the Simulation and Synthesis of Living Systems. Cambridge, MA: MIT Press.

Mirolli M. & Parisi D. (in preparation). Cognitive, Genetic and Cultural pressure towards the Evolution of a Good Communication System. Technical Report, Institute of Cognitive Science and Technologies, CNR, Roma, Italy.

Noble J. & Cliff D. (1996). On simulating the evolution of communication. In P. Maes, M. Mataric, J-A Meyer, J. Pollack & S.W. Wilson (Eds.) From Animals to Animats 4: Proceedings of the Fourth International Conference on Simulation of Adaptive Behavior. Cambridge, MA: The MIT Press / Bradford Books.

Noble, J., Paolo, E. A. D., and Bullock, S. (2002). Adaptive Factors in the Evolution of Signaling Systems. In A Cangelosi and D. Parisi (Eds.), Simulating the Evolution of Language. London: Springer Verlag.

Nolfi S. & Floreano D. (1998 copyright 1999). Co-evolving predator and prey robots: Do 'arm races' arise in artificial evolution? Artificial Life, 4 (4): 311-335.

Nolfi S. & Floreano D. (1999). Learning and Evolution, Autonomous Robots, 7(1): 89-113.

Nolfi S. (2002a). Power and limits of reactive agents. Neurocomputing, 49:119-145.

Nolfi S. (2002b). Evolving robots able to self-localize in the environment: The importance of viewing cognition as the result of processes occurring at different time scales. Connection Science (14) 3:231-244.

Nolfi S. (2002c). Evolution and Learning in neural networks. In M. A.Arbib (Ed.), Handbook of brain theory and neural networks, Second Edition. Cambridge, MA: MIT Press.

Nolfi S. (in press). Categories formation in self-organizing embodied agents. In C. Lefebvre (Ed.), Handbook of Categorization in Cognitive Science. Elsevier.

Nolfi S., Marocco D. (2002). Active perception: A sensorimotor account of object categorization. In B. Hallam, D. Floreano, J. Hallam, G. Hayes, J-A. Meyer (eds.) From Animals to Animats 7: Proceedings of the VII International Conference on Simulation of Adaptive Behavior. Cambridge, MA: MIT Press.

Nolfi S. & Parisi D. (1997). Learning to adapt to changing environments in evolving neural networks. Adaptive Behavior, (5) 1:75-98,

Nolfi S. & Tani J. (1999). Extracting regularities in space and time through a cascade of prediction networks: The case of a mobile robot navigating in a structured environment, Connection Science, (11) 2:129-152.

Oliphant M. (1996). The dilemma of Saussurean communication. Byosystems, 37(1-2): 31-38.

Quinn, M. (2001). Evolving communication without dedicated communication channels. In Kelemen, J. and Sosik, P. (editors) Advances in Artificial Life: Sixth European Conference on Artificial Life (ECAL 2001). Springer Verlag.

Quinn M., Smith L., Mayley G. and Husbands P. (2003) Evolving controllers for a homogeneous system of physical robots: Structured cooperation with minimal sensors. Philosophical Transactions of the Royal Society of London, Series A: Mathematical, Physical and Engineering Sciences 361:2321-2344.

Scheier, C., Pfeifer R. & Kunyioshi Y. (1998). Embedded neural networks: exploiting constraints. Neural Networks 11:1551-1596.

Sims K. (1995). Evolving 3D morphology and behavior by competition. Artificial Life, 1:353-372.

Steels L. (1999). The Talking Heads Experiment, Antwerpen, Laboratorium. Limited Pre-edition.

Steels L. (2003a) Evolving grounded communication for robots. Trends in Cognitive Science. 7(7), July 2003, pp. 308-312.

Steels L. (2003b). Language re-entrance and the `Inner Voice', Journal of Consciousness Studies, 10 (4-5): 173-185.

Steels L. and Kaplan F. (2001). AIBO's first words: The social learning of language and meaning. Evolution of Communication, 4:3-32.

Steels L. & Vogt P. (1997) Grounding adaptive language games in robotic agents. In: P. Husband & I. Harvey (Eds.), Proceedings of the 4th European Conference on Artificial Life. Cambridge MA: MIT Press.

Sugita Y. and Tani J. (2004). A connectionist approach to learn association between sentences and behavioral patterns of a robot. In S. Schaal, A. Ljspeert, A. Billard, S. Vijayakumar, J. Hallam, and J. Meyer (Eds.), Proceedings of the 8th International Conference on Simulation of Adaptive Behavior (SAB04). Cambridge, MA: The MIT Press.

Sutton R.S. & Barto A.G. (1998) Introduction to Reinforcement Learning. Cambridge, MA: MIT Press.

Tani J., Ito M., and Sugita Y. (in press). Self-organization of distributely represented multiple behavior schemata in a mirror system: Reviews of robot experiments using RNNPB, Neural Networks.

Waddington C.H. (1942). Canalization of development and the inheritance of acquired characters. Nature, 150:563-565.

Wagner K., Reggia J.A., Uriagereka J., Wilkinson G.S. (2003). Progress in the simulation of emergent communication and language. Adaptive Behavior, 11(1):37-69.

Werner, G. M., and Dyer, M. G. (1991). Evolution of communication in artificial organisms. In Langton, C. G., Taylor, C., Farmer, J. D., and Rasmussen, S. (Eds.) Proceedings of the Workshop on Artificial Life. pages: 659-687. Reading, MA, Addison-Wesley.