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Are Face-Incongruent Voices Harder to Process?
Sujata M Huestegge1,2, Tim Raettig3, Lynn Huestegge3
11 Department of Special Education and Speech-Language Pathology, University of Würzburg, Germany.
Abstract:
Based on current integration theories of face-voice processing, the present study had participants process 1,152 videos of faces uttering digits. Half of the videos contained face-voice gender-incongruent stimuli (vs. congruent stimuli in the other half). Participants indicated digit magnitude or parity. Tasks were presented in pure blocks (only 1 task) and in task switching blocks (using colored cues to specify task). The results indicate significant congruency effects in pure blocks, but partially reversed congruency effects in task switching, probably due to enhanced assignment of capacity toward resolving difficult situational demands. Congruency effects did not dissipate over time, ruling out that initial surprise associated with incongruent stimuli drove the effects. The results show that interference between two task-irrelevant person-related dimensions (face/voice gender) can affect processing of a third, task-relevant dimension (digit identity), suggesting greater processing ease associated with more authentic voices (i.e., voices that do not violate face-based expectancies).
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