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Poster

Face Distinctiveness can be Modulated by Cross-Modal Interaction with Auditory Stimuli

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons83840

Bülthoff,  I
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons84426

Newell,  FN
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Zitation

Bülthoff, I., & Newell, F. (2006). Face Distinctiveness can be Modulated by Cross-Modal Interaction with Auditory Stimuli. Poster presented at 9th Tübingen Perception Conference (TWK 2006), Tübingen, Germany.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0013-D29B-B
Zusammenfassung
In this study we ask whether visually typical faces can become perceptually distinctive when they are paired to auditory stimuli that are distinctive. In a first set of experiments (B¨ulthoff Newell, ECVP 2004), we had investigated the effect of voice distinctiveness on face recognition. Memory for a face can be influenced by the distinctiveness of an utterance to which it has been associated. Furthermore, recognition of a familiar face can be primed by a paired utterance. These findings suggest that there is a tight, cross-modal coupling between the faces presented and the associated utterances and that face distinctiveness can be influenced by crossmodal interaction with auditory stimuli like voices. In another set of experiment, we used instrumental sounds instead of voices and showed that arbitrary auditory stimuli could also affect memory for faces. Faces that had been paired with distinctive instrumental sounds were better recognized in an old/new task than faces paired to typical instrumental sounds. Here we investigated whether these instrumental sounds can also prime face recognition although these auditory stimuli are not associated to faces naturally as voices are. Our results suggest that this is not the case; arbitrary audio stimuli do not prime recognition of faces. This finding suggests that attentional differences may have resulted in better recognition performance for faces paired to distinctive sounds in the old/new task. It also suggests that utterances are easier to associate closely to faces than arbitrary sounds. In a last set of experiments we investigated whether the voice priming effect shown in the first set of experiments might be based on the use of different first names in each utterance. Thus, we asked whether semantic rather than perceptual information was determinant in the used utterances. We repeated the priming experiment using the same voice stimuli, but name information was removed. The results show that there is still a significant priming effect of voices to faces, albeit weaker than in the full voice experiment. The semantic information related to the first name helps but is not be decisive for the priming effect of voices on face recognition.