Karzon R G, Nicholas J G
Percept Psychophys. 1989 Jan;45(1):10-4. doi: 10.3758/bf03208026.
The pitch patterns present in speech addressed to infants may play an important role in perceptual processing by infants. In this study, the high-amplitude sucking procedure was used to assess discrimination by 2- to 3-month-old infants of rising versus falling pitch patterns in 400-msec synthetic [ra] and [la] tokens. The syllables' intonation contour was modeled on infant-directed speech, and covered a range characteristic of an adult female speaker (180-300 Hz). Group data indicated that the 2- to 3-month-old infants discriminated the pitch contour for both stimuli. Results are discussed with reference to previous studies of syllabic pitch perception.
对婴儿说话时出现的音高模式可能在婴儿的感知处理中发挥重要作用。在本研究中，采用高振幅吮吸程序来评估2至3个月大的婴儿对400毫秒合成的[ra]和[la]语音单元中升调与降调音高模式的辨别能力。音节的语调轮廓以面向婴儿的语音为模型，涵盖了成年女性说话者的特征范围（180 - 300赫兹）。组数据表明，2至3个月大的婴儿能够辨别两种刺激的音高轮廓。将结合之前关于音节音高感知的研究对结果进行讨论。
