Racing to Remember: A Theory of Decision Control in Event-Based Prospective Memory

被引:64
作者
Strickland, Luke [1 ,2 ]
Loft, Shayne [2 ]
Remington, Roger W. [3 ,4 ]
Heathcote, Andrew [1 ,5 ]
机构
[1] Univ Tasmania, Sch Med, Div Psychol, Private Bag 30,Churchill Ave, Sandy Bay 7005, Australia
[2] Univ Western Australia, Sch Psychol Sci, Nedlands, WA, Australia
[3] Univ Minnesota, Dept Psychol, Minneapolis, MN 55455 USA
[4] Univ Queensland, Sch Psychol, Brisbane, Qld, Australia
[5] Univ Newcastle, Sch Psychol, Callaghan, NSW, Australia
基金
澳大利亚研究理事会;
关键词
cognitive control; dual mechanisms framework; linear ballistic accumulator model; prospective memory; COGNITIVE CONTROL; TASK INTERFERENCE; WORKING-MEMORY; SPONTANEOUS RETRIEVAL; EXECUTIVE CONTROL; ONGOING TASK; FRONTAL-LOBE; MODEL; CONTEXT; COST;
D O I
10.1037/rev0000113
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
Event-based prospective memory (PM) requires remembering to perform intended deferred actions when particular stimuli or events are encountered in the future. We propose a detailed process theory within Braver's (2012) proactive and reactive framework of the way control is maintained over the competing demands of prospective memory decisions and decisions associated with ongoing task activities. The theory is instantiated in a quantitative "Prospective Memory Decision Control" (PMDC) architecture. which uses linear ballistic evidence accumulation (Brown & Heathcote. 2008) to model both PM and ongoing decision processes. Prospective control is exerted via decision thresholds, as in Heathcote, Loft, and Renaington's (2015) "Delay Theory" of the impact of PM demands on ongoing-task decisions. However, PMDC goes beyond Delay Theory by simultaneously accounting for both PM task decisions and ongoing task decisions. We use Bayesian estimation to apply PMDC to experiments manipulating PM target focality (i.e., the extent to which the ongoing task directs attention to the features of PM targets processed at encoding) and the relative importance of the PM task. As well as confirming Delay Theory's proactive control of ongoing task thresholds, the comprehensive account provided by PMDC allowed us to detect both proactive control of the PM accumulator threshold and reactive control of the relative rates of the PM and ongoing-task evidence accumulation processes. We discuss potential extensions of PMDC to account for other factors that may be prevalent in real-world PM, such as failures of memory retrieval.
引用
收藏
页码:851 / 887
页数:37
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