Hoerl & McCormack (H&M) propose a two-system account of temporal cognition. We suggest that, following other classic proposals where cognitive systems are putatively independent, H&M's two-system hypothesis should, at a minimum, involve (1) a difference in the nature of the representations upon which each system operates, and (2) a difference in the computations they carry out. In this comment we offer two challenges aimed at showing that H&M's proposal does not meet the minimal requirements (1) and (2).

中文翻译：

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时间认知的双系统方法的两个挑战

Hoerl & McCormack (H&M) 提出了时间认知的两系统说明。我们建议，按照认知系统假定独立的其他经典建议，H&M 的双系统假设至少应涉及（1）每个系统运行的表征性质的差异，以及（2）差异在他们进行的计算中。在本评论中，我们提出了两项​​挑战，旨在表明 H&M 的提案不符合最低要求 (1) 和 (2)。