Taking its cue from sign languages, this paper pulls together a range of studies to support the proposal that the recruitment and composition of body actions counts as evidence for linguistic properties. Adopting the view that compositionality is the foundational organizing property of language, we find first that actions of the hands, face, head, and torso in sign languages directly reflect linguistic components, as well as certain aspects of compositional organization among them that are common to all languages, signed and (...) spoken. Work on emerging sign languages strengthens the approach by showing that the gradual recruitment of bodily articulators for linguistic functions directly maps the way in which a new language increases in complexity over time. While compositional communication is almost exclusively restricted to humans, it is not restricted to language. In the spontaneous, intense emotional displays of athletes, different emotional states are correlated with actions of particular face and body features and feature groupings, indicating a much more ancient compositional foundation for language. (shrink)

Krifka (The origin of topic/comment structure, of predication, and of focusation in asymmetric bimanual coordination, 2006, Interdisciplinary Studies on Information Structure (ISIS): Working Papers of SFB 632 08: 61–96, 2007b) suggests that asymmetric bimanual coordination and ultimately the evolution of lateralization in humans may be the cognitive basis of linguistic topic-comment structure and foreground-background structures in general. As asymmetric bimanual constructions abound in sign languages and are also found in their possible precursors, cospeech gesture and homesign, sign languages may serve (...) as a test ground for the hypothesis. Asymmetric bimanual constructions are indeed used for differentiating foreground and background in sign languages, but some of these constructions are derived from indexical gestures, not manipulation, i.e., they draw on visual attention. Signed topics may be marked by nonmanual features derived from signals of visual attention, and the defining feature of signed topics is eye contact with the addressee, needed to establish a communicative common ground. There, thus, seems to be not one embodied origin of topic-comment structures, but several. Finally, signed topic-comment structure demonstrates how attention shifts in the course of the entire structure, thereby explaining how topics can be described alternately as foreground (e.g., Talmy, Attention phenomena, Oxford University Press, 2007: 265) and background (Jacobs, Linguistics 39: 641–681, 2001). (shrink)

Humans communicate with different modalities. We offer an account of multi-modal meaning coordination, taking speech-gesture meaning coordination as a prototypical case. We argue that temporal synchrony (plus prosody) does not determine how to coordinate speech meaning and gesture meaning. Challenging cases are asynchrony and broadcasting cases, which are illustrated with empirical data. We propose that a process algebra account satisfies the desiderata. It models gesture and speech as independent but concurrent processes that can communicate flexibly with each other and exchange (...) the same information more than once. The account utilizes the ψ-calculus, allowing for agents, input-output-channels, concurrent processes, and data transport of typed λ-terms. A multi-modal meaning is produced integrating speech meaning and gesture meaning into one semantic package. Two cases of meaning coordination are handled in some detail: the asynchrony between gesture and speech, and the broadcasting of gesture meaning across several dialogue contributions. This account can be generalized to other cases of multi-modal meaning. (shrink)

While language is presumably unique to humans, there are possible pre-linguistic features that developed in the course of human evolution which predate features of language, and might have even been essential for its evolution. A number of such possible preadaptations for human language have been discussed, like the permanent lowering of the larynx, the ability to control one’s breath, or the inclination of humans to imitate. In this paper I would like to point out another candidate for a preadaptation, namely (...) the functional differentiation of the hands and the way in which they cooperate in manual actions. (shrink)