Chapter 1. Discourse coherence - From psychology to linguistics and back again (Maxime Amblard, Michel Musiol, Manuel Rebuschi).- Chapter 2. Linguistic Recursion and Danish Discourse Particles, Language in Children with Autism Spectrum Disorder (Patrick Blackburn, Torben Braüner, Irina Polyanskaya).- Chapter 3. Reasoning in multiparty dialogue involving patients with schizophrenia (Ellen Breitholtz, Robin Cooper, Christine Howes, Mary Lavelle).- Chapter 4. Picturing Questions and Answers - a formal approach to SLAM (Maria Boritchev, Maxime Amblard).- Chapter 5. Incoherences in Dialogues and their Formalization Focus on Dialogues with Schizophrenic Individuals (Christophe Fouqueré, Jean-Jacques Pinto, Myriam Quatrini).- Chapter 6. Metaphorical Thinking and Delusions in Psychosis (Felicity Deamer, Sam Wilkinson).- Chapter 7. The myth of irrationality: a Wittgensteinian approach to delusions and to the principle of charity (Mathieu Frérejouan).- Chapter 8. (In)Coherences in the discourse of the schizophrenic: an anthropological approach to the mind (Fabrice Louis).- Chapter 9. Conversations with madness, Meaning, Context and Incoherence (Valérie Aucouturier).