Arbib M.A., Billard A., Iacoboni M., Oztop E. (2000). Synthetic brain imaging: grasping, mirror neurons and imitation. Neural Networks, 13: 975-997.

Barsalou L. (1999). Perceptual symbol systems. Behavioral and Brain Sciences, 22: 577-609.

Cangelosi A. (in press). The sensorimotor bases of linguistic structure: Experiments with grounded adaptive agents. The Eighth International Conference on the Simulation of Adaptive Behaviour -SAB04, Los Angeles, July 2004

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

Cangelosi A., Greco A., Harnad S. (2000). From robotic toil to symbolic theft: Grounding transfer from entry-level to higher-level categories. Connection Science, 12(2): 143-162

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: LEA, 170-175.

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

Cangelosi A., Parisi D. (2004). The processing of verbs and nouns in neural networks: Insights from synthetic brain imaging. Brain and Language, 89(2): 401-408

Cappa S.F., Perani, D. (2003). The neural correlates of noun and verb processing. Journal of Neurolinguistics, 16 (2-3): 183-189.

Coventry K.R., Garrod S.C. (2004). Saying, Seeing and Acting: The Psychological Semantics of Spatial Prepositions. Psychology Press. Hove and New York

Dyer M.G. (1994). Grounding language in perception. In V. Honavar, L. Uhr (Eds.), Artificial Intelligence and neural networks: Steps toward principled integration. Boston: Academic Press.

Glenberg A., Kaschak M. (2002). Grounding language in action. Psychonomic Bulletin & Review, 9(3), 558-565.

Harnad S. (1990). The symbol grounding problem. Physica D, 42: 335-346

Hashimoto T., Ikegami T. (1996). Emergence of net-grammar in communicating agents, BioSystems, 38: 1-14

Joyce D., Richards L., Cangelosi A., Coventry K.R. (2003). On the foundations of perceptual symbol systems: Specifying embodied representations via connectionism. Proceedings of the 5th Intl. Conference on Cognitive Modeling (ICCM 2003). Bamberg

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

Nolfi S., Floreano D. 2000 Evolutionary Robotics. Cambridge, MA: MIT Press.

Pulvermueller F. (2003). The Neuroscience of Language. On Brain Circuits of Words and Serial Order. Cambridge University Press.

Quinn M. (2001). Evolving communication without dedicated communication channels. In J. Kelemen & P. Sosík (Eds.), Proceedings of ECAL01, pp. 357-366, London: Springer.

Riga T., Cangelosi A., Greco A. (in press). Symbol grounding transfer with hybrid selforganizing/supervised neural networks. IJCNN04 International Joint Conference on Neural Networks. Budapest, July 2004

Rizzolatti G., & Arbib M. (1998). Language within our grasp. Trends in Neuroscience, 21: 188-194.

Roy D., Pentland A. (2002), Learning words from sights and sounds: A computational model, Cognitive Science, 26: 113-146.

Steels L. (2002). Grounding symbols through evolutionary language games. In A. Cangelosi, D. Parisi (Eds.), Simulating the Evolution of Language. London: Springer-Verlag.