2020
DOI: 10.31219/osf.io/vxkds
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Multiscale kinematic analysis reveals structural properties of change in evolving manual languages in the lab

Abstract: Reverse engineering how language emerged is a daunting interdisciplinary project. Experimental cognitive science has contributed to this effort by eliciting in the lab constraints likely playing a role for language emergence; constraints such as iterated transmission of communicative tokens between agents. Since such constraints played out over long phylogenetic time and involved vast populations, a crucial challenge for iterated language learning paradigms is to extend its limits. In the current approach we p… Show more

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“…Size and McNeillian space capture spatial adaptation in terms of overall size (volume) and in terms of spatial prominence/salience (McNeillian space), as size and spatial prominence have been linked to communicative adaptation in child-directed interaction [ 40 ], in response to feedback [ 41 ], and when communicating information known to be relevant to the addressee [ 30 ]. Finally, temporal variability captures the rhythmic stability of the gesture, as greater rhythmicity may relate to communicative effectiveness [ 42 , 43 ]. For speech, we calculate speech intensity (loudness) and pitch (fundamental frequency), which have been linked to communicative adaptation in the original, auditory Lombard paradigms [ 2 , 31 ].…”
Section: Introductionmentioning
confidence: 99%
“…Size and McNeillian space capture spatial adaptation in terms of overall size (volume) and in terms of spatial prominence/salience (McNeillian space), as size and spatial prominence have been linked to communicative adaptation in child-directed interaction [ 40 ], in response to feedback [ 41 ], and when communicating information known to be relevant to the addressee [ 30 ]. Finally, temporal variability captures the rhythmic stability of the gesture, as greater rhythmicity may relate to communicative effectiveness [ 42 , 43 ]. For speech, we calculate speech intensity (loudness) and pitch (fundamental frequency), which have been linked to communicative adaptation in the original, auditory Lombard paradigms [ 2 , 31 ].…”
Section: Introductionmentioning
confidence: 99%