The flexibility of partial information transmission in the auditory channel: The role of perceptual discriminability

Diankun Gong, Weiyi Ma, Jiehui Hu, Qingqing Hu, Yongxiu Lai, Dezhong Yao*

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Scopus)

    Abstract

    A stimulus contains multiple attributes. Under certain circumstances, some information can be transmitted to the next cognitive stage before the processing of other information. An examination of partial information transmission is essential in improving our understanding of the mechanism of information processing. By manipulating two attributes, namely, pitch and intensity, this study examined whether the transmission speed of an attribute could be influenced by its perceptual discriminability. Using a choice go/no-go paradigm, this study presented adults with two pieces of pure tones and measured their LRPs. Results showed that pitch and intensity were transmitted earlier as partial information in the high pitch- and intensity-discriminability conditions, respectively. Thus, this study demonstrated that the transmission speed of a certain attribute could be modulated by its perceptual discriminability.

    Original languageEnglish
    Pages (from-to)1394-1400
    Number of pages7
    JournalPsychophysiology
    Volume49
    Issue number10
    DOIs
    Publication statusPublished - Oct 2012

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