Inhibition and updating share common resources: Bayesian evidence from signal detection theory and drift diffusion model.

IF 2.3 3区 心理学 Q2 PSYCHOLOGY, EXPERIMENTAL
Yuhong Sun, Yaohui Lin, Shangfeng Han
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引用次数: 0

Abstract

Inhibition and updating are fundamental cognitive functions in humans, yet the nature of their relationship-whether shared or distinct-remains ambiguous. This study investigates the relationship between inhibition and updating within a unified task framework using a novel paradigm that integrates the N-back task with the congruent/incongruent Stroop task, creating conditions that require either updating alone or both inhibition and updating. Employing Signal Detection Theory (SDT) and the hierarchical drift diffusion model (HDDM), the results provided overall extremely strong Bayesian evidence that participants exhibited longer response times and lower accuracy in conditions requiring both inhibition and updating, compared to those requiring only updating. SDT analysis revealed a decline in discriminability, while HDDM analysis showed slower drift rates, longer non-decision times and a lower decision threshold in inhibition-demanding conditions. Even after controlling for the congruency sequence effect and current stimulus attributes, the results remained robust, showing a larger inhibition effect size compared to the traditional Stroop task. These findings suggest that inhibition consumes cognitive resources, impairing updating performance, and implying that both functions may rely on shared cognitive resources. Overall, the results elucidate the relationship between these fundamental executive functions, supporting the notion that inhibition and updating share cognitive resources.

抑制和更新共享资源:来自信号检测理论和漂移扩散模型的贝叶斯证据。
抑制和更新是人类基本的认知功能,但它们之间关系的本质——无论是共同的还是不同的——仍然不明确。本研究在一个统一的任务框架内,采用一种新颖的范式,将N-back任务与一致/不一致的Stroop任务结合起来,创造了需要单独更新或同时需要抑制和更新的条件,研究了抑制和更新之间的关系。采用信号检测理论(SDT)和分层漂移扩散模型(HDDM),研究结果提供了总体上非常有力的贝叶斯证据,表明与只需要更新的条件相比,参与者在同时需要抑制和更新的条件下表现出更长的反应时间和更低的准确性。SDT分析显示,选择性下降,而HDDM分析显示,在抑制要求较高的条件下,漂移率较慢,非决策时间较长,决策阈值较低。即使在控制了一致性序列效应和当前刺激属性后,结果仍然稳健,显示出比传统Stroop任务更大的抑制效应。这些发现表明,抑制消耗认知资源,损害更新性能,并暗示这两种功能可能依赖于共享的认知资源。总的来说,研究结果阐明了这些基本执行功能之间的关系,支持了抑制和更新共享认知资源的观点。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
5.10
自引率
8.70%
发文量
137
期刊介绍: Psychological Research/Psychologische Forschung publishes articles that contribute to a basic understanding of human perception, attention, memory, and action. The Journal is devoted to the dissemination of knowledge based on firm experimental ground, but not to particular approaches or schools of thought. Theoretical and historical papers are welcome to the extent that they serve this general purpose; papers of an applied nature are acceptable if they contribute to basic understanding or serve to bridge the often felt gap between basic and applied research in the field covered by the Journal.
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