Differential effects of auditory and visual signals on clock speed and temporal memory.
Differential effects of auditory and visual signals on clock speed and temporal memory.
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DOI：
10.1037/0096-1523.26.6.1770
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发表时间：
2000-12
期刊：
影响因子：
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通讯作者：
Trevor B. Penney;John Gibbon;Warren H. Meck
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文献类型：
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作者：
Trevor B. Penney;John Gibbon;Warren H. Meck
采用时距平分任务研究了信号通道对大学生时距分类的影响。当听觉和视觉信号出现在同一测试会话中，并共享共同的锚持续时间时，视觉信号被归类为短于等效持续时间的听觉信号。这发生在听觉和视觉信号在同一测试会话中顺序呈现时，以及同时但异步呈现时。在测试会话中呈现单一模态信号，或两种模态但具有不同的锚持续时间不会导致分类差异。作者建立了一个模型，其中听觉和视觉信号以不同的速率驱动内部时钟。时钟频率的差异是由于注意力对模式切换的影响，并且只有当短和长锚持续时间的记忆由快速听觉和较慢视觉时钟频率产生的累积的贡献的混合组成时才被揭示。当这种情况发生时，相对于复合记忆表征，听觉信号似乎比视觉信号长。
The effects of signal modality on duration classification in college students were studied with the duration bisection task. When auditory and visual signals were presented in the same test session and shared common anchor durations, visual signals were classified as shorter than equivalent duration auditory signals. This occurred when auditory and visual signals were presented sequentially in the same test session and when presented simultaneously but asynchronously. Presentation of a single modality signal within a test session, or both modalities but with different anchor durations did not result in classification differences. The authors posit a model in which auditory and visual signals drive an internal clock at different rates. The clock rate difference is due to an attentional effect on the mode switch and is revealed only when the memories for the short and long anchor durations consist of a mix of contributions from accumulations generated by both the fast auditory and slower visual clock rates. When this occurs auditory signals seem longer than visual signals relative to the composite memory representation.