LAMiNATE Talks: Marieke Hoetjes (Radboud University Nijmegen). Using gesture to facilitate L2 phoneme acquisition: How important are gesture and phoneme complexity?

19 september 2023 15:15 till 16:30 Seminarium


I will discuss a study, conducted together with my colleague Lieke van Maastricht, on the role that gesture may play in L2 phoneme acquisition. Given the close relationship between speech and co-speech gesture, previous work unsurprisingly reports that gestures can facilitate language acquisition, e.g., in (L2) word learning. However, gesture studies on L2 phoneme acquisition tend to present less clear-cut results, which could mean that specific properties of gestures and phonemes used in training may be relevant.

In this study we investigated the effect of phoneme and gesture complexity on L2 phoneme acquisition. In a production study, Dutch natives received instruction on the pronunciation of two Spanish phonemes, /u/ and /θ/. Both are typically difficult to produce for Dutch natives because their orthographic representation differs between both languages. Moreover, /θ/ is considered more complex than /u/, since the Dutch phoneme inventory contains /u/ but not /θ/. The instruction participants received contained Spanish examples presented either via audio-only, audio-visually without gesture, audio-visually with a simple, pointing gesture, or audio-visually with a more complex, iconic gesture representing the relevant speech articulator(s). Preceding and following training, participants read aloud Spanish sentences containing the target phonemes. In a perception study, Spanish natives rated the target words from the production study on accentedness and comprehensibility.

The results show that combining gesture and speech in L2 phoneme training can lead to significant improvement in L2 phoneme production, but also that type of gesture and type of phoneme affect successful learning: Significant learning only occurred for the less complex phoneme /u/ after seeing the more complex iconic gesture, whereas for the more complex phoneme /θ/, seeing the more complex gesture actually hindered acquisition. The perception results confirm the production findings and show that items containing /θ/ produced after receiving training with a less complex pointing gesture are considered less foreign-accented and more easily comprehensible as compared to the same items after audio-only training.

In this talk I will present this in more detail and open the floor to a discussion of whether these results indeed point to a role of gesture and phoneme complexity, or whether there are other potential explanations for our findings.  


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19 september 2023 15:15 till 16:30



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