List of figures

Part of

Figure 1.Pearson’s correlation coefficients of Italian and English tweets56

Figure 2.Pearson’s correlation coefficients between English and Italian tweets and communicative functions56

Figure 3.Distribution of communicative functions and implicit strategies in Twitter and public speeches58

Figure 4.Distribution of the variable medium and content type (or pragmatic function) in the corpus59

Figure 5.Components of event-related potentials64

Figure 6.Brain rhythms in the EEG65

Figure 7.Levels of interactions between content challengeability and packaging challengeability85

Figure 8.Frequency coefficients of the four CTs for presupposition and assertion89

Figure 9.Frequency coefficients for English speeches90

Figure 10.Frequency coefficients for Italian speeches90

Figure 11.Frequency coefficients for French speeches90

Figure 12.Overall distribution of content types with presupposition packaging115

Figure 13.Extension of neutral presuppositions115

Figure 14.Extension of evaluative presuppositions115

Figure 15.Extension of blasting presuppositions116

Figure 16.Extension of ironical presuppositions116

Figure 17.Explicitation of implicit content on Webanno162

Figure 18.Comparison of global implicitness values from both synchronic and diachronic analyses193

Figure 19.Excerpt of a speech as it appears on the OPPP! website194

Figure 20.Explanatory section of the OPPP! website195

Figure 21.Global extension of challengeable implicit contents in the corpus199