The phonemic merger is a unique phenomenon which is referred to as acoustically very different phonemes are recognized as the same phoneme. In our previous study, we demonstrated that the merged speakers had lost the ability to discriminate the merged phonemes pre-attentively, as revealed by their failure in mismatch negativity (MMN) elicitation in the oddball stream of the merged phonemes /n/-/l/. In this study, we investigated the recovery of the discrimination ability via phonemic training and found that the merged speakers regained the ability of discriminating merged phonemes pre-attentively, after a 7-day /n/-/l/ phonemic training, as revealed by the reactivation of MMN brain response to the /n/-/l/ phoneme categories. Our finding indicates that separate memory traces of merged phonemes could be rebuilt during the training process.

中文翻译：

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一周的音素训练重建合并说话者合并音素的记忆痕迹。

音位合并是一种独特的现象，它被称为声学上非常不同的音素被识别为相同的音素。在我们之前的研究中，我们证明合并的说话者已经失去了预先注意区分合并音素的能力，正如他们在合并音素 /n/-/l /. 在这项研究中，我们通过音素训练调查了辨别能力的恢复，发现合并的说话者在经过 7 天的 /n/-/l/ 音素训练后，重新获得了预先注意辨别合并音素的能力，如重新激活 MMN 大脑对 /n/-/l/ 音素类别的反应。我们的发现表明，在训练过程中可以重建合并音素的单独记忆痕迹。