Chunks are not "Content-Free": Hierarchical Representations Preserve Perceptual Detail within Chunks
Chunks are not "Content-Free": Hierarchical Representations Preserve Perceptual Detail within Chunks
复制标题
块不是“内容无关”：分层表示保留块内的感知细节
DOI：
10.31234/osf.io/y5f82
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发表时间：
2021
影响因子：
1.7
通讯作者：
Timothy F. Brady
中科院分区：
文献类型：
--
作者：
Michael G Allen;Isabella Destefano;Timothy F. Brady
组块使我们能够使用长期知识在工作记忆中有效地代表世界。大多数关于组块的观点认为，当我们使用组块时，这会导致特定感知细节的丢失，因为它假定组块的内容是从长期记忆中解码出来的，而不是反映所呈现项目的确切细节。然而，在两个实验中，我们发现，在参与者利用组块来提高视觉工作记忆的情况下，对特定实例的感知细节（无法从长期记忆中检索）的访问增加了，而不是减少了。这支持了另一种观点：组块作为结构化、层次化记忆的一部分，促进了感知细节的编码和记忆保留，而不仅仅是作为“无内容”的指针。它也提供了一个强烈的对比帐户，其中工作记忆容量被认为是详尽描述的数量记住的块。
Chunks allow us to use long-term knowledge to efficiently represent the world in working memory. Most views of chunking assume that when we use chunks, this results in the loss of specific perceptual details, since it is presumed the contents of chunks are decoded from long-term memory rather than reflecting the exact details of the item that was presented. However, in two experiments, we find that in situations where participants make use of chunks to improve visual working memory, access to instance-specific perceptual detail (that cannot be retrieved from long-term memory) increased, rather than decreased. This supports an alternative view: that chunks facilitate the encoding and retention into memory of perceptual details as part of structured, hierarchical memories, rather than serving as mere “content-free” pointers. It also provides a strong contrast to accounts in which working memory capacity is assumed to be exhaustively described by the number of chunks remembered.
影响因子：
4.1
作者：
Brady, Timothy F.;Konkle, Talia;Alvarez, George A.
通讯作者：
Alvarez, George A.