A New Perspective on the Speaker Identity Variability Effect

Lili Ming & Xueping Hu

American Journal of Psychology2025https://doi.org/10.5406/19398298.138.3.05article
AJG 1
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0.50

What the paper says

The speaker identity variability effect (SIVE) has long been interpreted as challenging the abstract phonetic representation hypothesis and supporting the episodic representation hypothesis. However, this review integrates evidence from the auditory system to argue that SIVE does not preclude the hypothesis of abstract representational coding. Speaker identity information is encoded in the primary auditory cortex, but changes in speaker identity can disrupt the continuity of auditory objects, thereby reducing phonetic processing efficiency. This effect is attributed to the dynamic allocation of attentional resources between speaker identification and phonetic decoding processes, supporting the hypothesis of independent pathways for speaker identity and speech processing. Future research should use functional magnetic resonance imaging technology to dissect how the dynamic coordination of neural networks handles speaker identity variability and to elucidate the roles of different attentional subsystems in adapting to such variability.

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https://doi.org/https://doi.org/10.5406/19398298.138.3.05

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@article{lili2025,
  title        = {{A New Perspective on the Speaker Identity Variability Effect}},
  author       = {Lili Ming & Xueping Hu},
  journal      = {American Journal of Psychology},
  year         = {2025},
  doi          = {https://doi.org/https://doi.org/10.5406/19398298.138.3.05},
}

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Evidence weight

0.50

Balanced mode · F 0.40 / M 0.15 / V 0.05 / R 0.40

F · citation impact0.50 × 0.4 = 0.20
M · momentum0.50 × 0.15 = 0.07
V · venue signal0.50 × 0.05 = 0.03
R · text relevance †0.50 × 0.4 = 0.20

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