Individual differences in episodic memory abilities have been linked to second language (L2) lexical development, both theoretically and empirically, but such empirical support has been limited to the earliest phases of word learning. However, the Episodic L2 Hypothesis predicts that L2 lexical representations in more advanced L2 speakers are episodic in nature. To examine whether this means that individual differences in episodic memory also contribute to higher level L2 lexical abilities, we examined whether episodic memory abilities were predictive of lexical knowledge in a group of higher proficiency L2 learners who had years of exposure to their L2. The results revealed that episodic memory abilities predicted L2 lexical knowledge, a finding with pedagogical consequences. Moreover, these findings are consistent with several neurocognitive theories of the mental lexicon, and the Episodic L2 Hypothesis in particular.

中文翻译：

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情景记忆对第二语言词汇发展的贡献在更高的熟练度中持续存在

情景记忆能力的个体差异与第二语言 (L2) 词汇发展有关，无论是理论上还是经验上，但这种经验支持仅限于单词学习的最早阶段。然而，情节 L2 假设预测，更高级的 L2 说话者中的 L2 词汇表示本质上是情节性的。为了检查这是否意味着情景记忆的个体差异也有助于更高水平的 L2 词汇能力，我们检查了情景记忆能力是否可以预测一组长期接触 L2 的高水平 L2 学习者的词汇知识。结果表明，情景记忆能力预测了 L2 词汇知识，这一发现具有教学意义。而且，