Mario Belledonne, Eivinas Butkus, Brian J Scholl, Ilker Yildirim
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引用次数: 0
摘要
注意力的一个关键作用是持续地集中视觉处理来满足我们的目标。这在计算方面是如何工作的呢?在这里,我们介绍了自适应计算——一种新的人类注意力计算机制,它将感知计算的瞬时应用与其对决策结果的影响联系起来。自适应计算是一种动态算法,它通过一种新的、通用的任务相关性公式,动态地分配跨对象的感知计算。我们在多目标跟踪(MOT)的案例研究中评估了自适应计算——这是一个动态过程选择的典型例子,观察者跟踪一组在视觉上相同的干扰物中移动的目标物体。自适应计算以前所未有的深度解释了对象选择的注意动力学。它不仅概括了MOT的几个经典特征(例如,试验级跟踪精度和目标定位误差),而且还捕获了以前没有被测量或建模的属性——包括物体之间注意力部署的亚秒模式,以及由此产生的主观努力感。关键的是,这种方法在原则上是域通用的框架中捕获这些数据,并且与过去的模型不同,它不使用任何特定于mot的启发式组件。除了这个案例研究之外,我们还展望了未来,讨论了自适应计算如何更广泛地应用,为多种形式的视觉注意的动态操作提供了一种新型的机制模型。(PsycInfo Database Record (c) 2025 APA,版权所有)。
Adaptive computation as a new mechanism of dynamic human attention.
A key role for attention is to continually focus visual processing to satisfy our goals. How does this work in computational terms? Here we introduce adaptive computation-a new computational mechanism of human attention that bridges the momentary application of perceptual computations with their impact on decision outcomes. Adaptive computation is a dynamic algorithm that rations perceptual computations across objects on-the-fly, enabled by a novel and general formulation of task relevance. We evaluate adaptive computation in a case study of multiple object tracking (MOT)-a paradigmatic example of selection as a dynamic process, where observers track a set of target objects moving amid visually identical distractors. Adaptive computation explains the attentional dynamics of object selection with unprecedented depth. It not only recapitulates several classic features of MOT (e.g., trial-level tracking accuracy and localization error of targets), but also captures properties that have not previously been measured or modeled-including both the subsecond patterns of attentional deployment between objects, and the resulting sense of subjective effort. Critically, this approach captures such data within a framework that is in-principle domain-general, and, unlike past models, without using any MOT-specific heuristic components. Beyond this case study, we also look to the future, discussing how adaptive computation may apply more generally, providing a new type of mechanistic model for the dynamic operation of many forms of visual attention. (PsycInfo Database Record (c) 2025 APA, all rights reserved).
期刊介绍:
Psychological Review publishes articles that make important theoretical contributions to any area of scientific psychology, including systematic evaluation of alternative theories.