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Imagined speech influences perceived loudness of sound

Author

Listed:
  • Xing Tian

    (New York University Shanghai
    East China Normal University
    New York University-East China Normal University Institute of Brain and Cognitive Science at New York University Shanghai)

  • Nai Ding

    (Zhejiang University
    Zhejiang University
    Zhejiang University)

  • Xiangbin Teng

    (New York University
    Max Planck Institute for Empirical Aesthetics)

  • Fan Bai

    (New York University Shanghai
    East China Normal University
    New York University-East China Normal University Institute of Brain and Cognitive Science at New York University Shanghai)

  • David Poeppel

    (New York University
    Max Planck Institute for Empirical Aesthetics)

Abstract

The way top-down and bottom-up processes interact to shape our perception and behaviour is a fundamental question and remains highly controversial. How early in a processing stream do such interactions occur, and what factors govern such interactions? The degree of abstractness of a perceptual attribute (for example, orientation versus shape in vision, or loudness versus sound identity in hearing) may determine the locus of neural processing and interaction between bottom-up and internal information. Using an imagery-perception repetition paradigm, we find that imagined speech affects subsequent auditory perception, even for a low-level attribute such as loudness. This effect is observed in early auditory responses in magnetoencephalography and electroencephalography that correlate with behavioural loudness ratings. The results suggest that the internal reconstruction of neural representations without external stimulation is flexibly regulated by task demands, and that such top-down processes can interact with bottom-up information at an early perceptual stage to modulate perception.

Suggested Citation

  • Xing Tian & Nai Ding & Xiangbin Teng & Fan Bai & David Poeppel, 2018. "Imagined speech influences perceived loudness of sound," Nature Human Behaviour, Nature, vol. 2(3), pages 225-234, March.
    • Handle: RePEc:nat:nathum:v:2:y:2018:i:3:d:10.1038_s41562-018-0305-8
    DOI: 10.1038/s41562-018-0305-8
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