Contemporary semantic theories can be classified along two dimensions: (i) the way and time-course in which contextual factors influence sentence truth-conditions; and (ii) whether and to what extent comprehension involves sensory, motor and emotional processes. In order to explore this theoretical space, our ERP study investigates the time-course of the interaction between the lexically specified telic component of a noun (the function of the object to which the noun refers to, e.g., a funnel is generally used to pour liquids into (...) containers) and an ad-hoc affordance contextually induced by the situation described in the discourse. We found that, if preceded by a neutral discourse context, a verb incongruent with the noun’s telic component as in “She uses the funnel to hang her coat” elicited an enhanced N400 compared to a congruent verb as in “She uses the funnel to pour water into a container”. However, if the situation introduced in the preceding discourse induced a new function for the object as an ad-hoc affordance (e.g., the funnel is glued to the wall and the agent wants to hang the coat), we observed a crossing-over regarding the direction of the N400 effect: comparing the ad-hoc affordance-inducing context with the neutral context, the N400 for the incongruent verb was significantly reduced, whereas the N400 for the congruent verb was significantly enhanced. We explain these results as a consequence of the incorporation of the contextually triggered ad-hoc affordance into the meaning of the noun. Combining these results with an analysis of semantic similarity values between test sentences and contexts, we argue that one possibility is that the incorporation of an ad-hoc affordance may be explained on the basis of the mental simulation of concurrent motor information. (shrink)

In the evolutionary theory, a central tenet is that complex forms evolved from simpler ones, according to a bottom-up process. When it comes to the evolution of language, however, a bottom-up approach is problematic. In this case, such an approach often assumes that minimal units that are inflexibly associated to their meaning come first, where the wider discourse is only a later product. In the present paper, I shall argue that we need to assume a top-down perspective on language evolution, (...) which claims that the wider discourse is the evolutionary starting point rather than the final achievement. This approach involves the necessity to focus on the pragmatic abilities of our ancestors and on the biological mechanisms underlying them. Combining a top-down model of language evolution with an embodied account of cognition, I shall argue that a basic mechanism of affordance perception supports core pragmatic processes by enabling the individual to determine not only her own action possibilities in the physical environment but also the action possibilities of others and, thereby, enabling her to determine other people’s intentions. As a result, I shall introduce the notion of an embodied pragmatics as a key to account for the evolution of language. (shrink)