The Role of Working Memory in Decision-Making Processes

Abstract

The critical role of working memory in decision-making processes, exploring how the capacity and function of working memory influence cognitive processes underlying decision-making. Working memory, a limited-capacity system responsible for temporarily holding and manipulating information, plays a pivotal role in integrating incoming information, past experiences, and goals to facilitate decision-making. Cognitive psychology research has shown that individuals with greater working memory capacity often demonstrate enhanced abilities to consider multiple alternatives, weigh complex information, and foresee potential outcomes during decision-making tasks. Theoretical frameworks, such as dual-process theory and the adaptive decision-making model, highlight the interplay between working memory and executive functions in decision processes. Dual-process theory posits that decisions can be influenced by both intuitive, automatic processes and controlled, deliberative processes mediated by working memory. This framework suggests that working memory supports the deliberative processes involved in evaluating options, planning actions, and inhibiting impulsive responses, thereby optimizing decision outcomes. Empirical studies utilizing neuroimaging techniques, behavioral experiments, and computational modeling have provided insights into the neural mechanisms underlying working memory's role in decision-making. Neuroscientific evidence indicates that regions of the prefrontal cortex, particularly dorsolateral prefrontal cortex, play a crucial role in integrating working memory processes with emotional and motivational factors to guide decision outcomes. Furthermore, studies investigating individual differences in working memory capacity and decision-making competence underscore the predictive validity of working memory as a cognitive resource in real-world decision contexts.