Flexible cognitive resources: competitive content maps for attention and memory.

Flexible cognitive resources: competitive content maps for attention and memory.
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DOI:
10.1016/j.tics.2013.01.010
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发表时间:
2013-03
影响因子:
19.9
通讯作者:
Cavanagh P
Cavanagh P
中科院分区:
心理学1区
文献类型:
--
作者:
Franconeri SL;Alvarez GA;Cavanagh P

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大脑的处理资源是有限的,因此,当任务变得更难时,性能就会下降。这些资源的限制从何而来?我们专注于各种容量有限的缓冲区有关的注意力,识别,和记忆,我们声称有一个二维的“地图”的架构,其中个别项目竞争皮层真实的房地产。这种竞争性的格式导致了灵活的容量限制,由内容的性质及其在解剖学界定的空间内的位置来确定。我们将这种格式与标准的“插槽”架构及其固定容量进行对比。使用视觉空间注意和视觉短期记忆的案例研究,我们认为,竞争地图是一个具体的和合理的架构,限制了许多领域的认知能力。
The brain has finite processing resources so that, as tasks become harder, performance degrades. Where do the limits on these resources come from? We focus on a variety of capacity-limited buffers related to attention, recognition, and memory that we claim have a two-dimensional ‘map’ architecture, where individual items compete for cortical real estate. This competitive format leads to capacity limits that are flexible, set by the nature of the content and their locations within an anatomically delimited space. We contrast this format with the standard ‘slot’ architecture and its fixed capacity. Using visual spatial attention and visual short-term memory as case studies, we suggest that competitive maps are a concrete and plausible architecture that limits cognitive capacity across many domains.
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