• Daniel Dubois, Pierre Poirier, and Roger Nkambou. What Does Consciousness Bring to CTS? In Proceedings of the 2007 AAAI Fall Symposium, 2007.
• Usef Faghihi, Philippe Fouriner-Viger, Roger Nkambou, and Pierre Poirier. The combination of a causal and emotional learning mechanism for an improved cognitive tutoring agent. In International Conference on Industrial, Engineering and Other Applications of Applied Intelligent Systems, 2010. (doi:10.1007/978-3-642-13025-0_46)
• Usef Faghihi. The use of emotions in the implementation of various types of learning in a cognitive agent. PhD Thesis, 2011.
• U. Faghihi, P. Poirier, P. Fournier-Viger, and R. Nkambou. Human-like learning in a conscious agent. Journal Of Experimental & Theoretical Artificial Intelligence, 23(4):497–528, 2011.
• Usef Faghihi, Philippe Fournier-Viger, and Roger Nkambou. Implementing an efficient causal learning mechanism in a cognitive tutoring agent. International Conference on Industrial, Engineering and Other Applications of Applied Intelligent Systems, 2011. (doi:10.1007/978-3-642-21827-9_4)
• Usef Faghihi, Philippe Fournier-Viger, Roger Nkambou, and Pierre Poirier. Identifying Causes Helps a Tutoring System to Better Adapt to Learners during Training Sessions. Journal of Intelligent Learning Systems and Applications, 3(3):139–154, 2011. (doi:10.4236/jilsa.2011.33016)
• Usef Faghihi, Pierre Poirier, and Othalia Larue. Emotional Cognitive Architectures. In International Conference on Affective Computing and Intelligent Interaction, 2011.
• Usef Faghihi, Philippe Fournier-Viger, and Roger Nkambou. A computational model for causal learning in cognitive agents. Knowledge-Based Systems, 30:48–56, 2012. (doi:10.1016/j.knosys.2011.09.005)
• Usef Faghihi, Philippe Fournier-Viger, and Roger Nkambou. CELTS: A cognitive tutoring agent with human-like learning capabilities and emotions. In Smart Innovation, Systems and Technologies. Springer Berlin Heidelberg, 2013. (doi:10.1007/978-3-642-30171-1_14)