Subjects: Psychology >> Social Psychology submitted time 2023-03-28 Cooperative journals: 《心理科学进展》
Abstract： Procrastination is defined as a voluntary but irrational delay of an intended course of action despite expecting to be worse off for the delay. The previous studies have indicated that chronic procrastination exists in different cultural backgrounds, which 15% to 20% adults are chronically procrastinators, and more than 70% students admit to academic procrastination, with approximately 16% of them experiencing severe procrastination problem. Procrastination not only impacts people's study, work performance, but also impairs physical and mental health. However, procrastination has complex psychological process, including at least three stages, such as evaluation, decision-making and execution. To date, the cognitive neural mechanism of procrastination behavior was still unclear with a lack of causal evidence. Therefore, based on the time decision model of procrastination and the triple neural structure network model, this project intended to build a cognitive neural model of procrastination, then using cognitive interventions and neural regulation techniques to test it. According to the cognitive neural model of procrastination, this project tried to develop precise intervention plans for procrastination. This project was divided into three parts: (1) From the perspective of recording and association research, cognitive behavioral experiments, multimodal neuroimaging methods, such as task state, resting state, structural state, and cognitive neural computational modeling was used to construct a cognitive neural model of procrastination. In the process of building the model, we systematically investigated the corresponding cognitive components and characteristics of neural circuits in the evaluation, decision and execution stages of procrastination. (2) From the perspective of causal/quasi-causal studies, this project manipulated core competencies including episodic prospection, self-control and emotion regulation, in which to investigated the changes before and after the intervention, such as the functional connectivity of the brain network of episodic prospection, and network efficiency. This part intended to further examine and develop the cognitive neural model of procrastination behavior. (3) From the perspective of clinical application, this project developed a screening-diagnosis system for patients with clinical procrastination behavior disorder according to the psychiatric symptom diagnosis system and the criteria of psychosocial impairment. This system would be applied to distinguish patients with mild, moderate and severe procrastination. Based on this, effective intervention programs with distant migration effect for procrastination behavior disorder patients were developed, including cognitive intervention and neuroregulatory treatment strategies. To sum up, this project has built a cognitive neural model of procrastination from the perspective of the dynamic psychological process of procrastination, and improved it through the causal manipulation of cognitive intervention and neural regulation. This study not only reaped important theoretical contribution to the exploration of the core cognitive neural mechanisms of procrastination, but also obtained practical implications for the effective prevention and precise treatments of procrastination.
Subjects: Psychology >> Cognitive Psychology submitted time 2022-11-30
Abstract：
Established as a widespread problematic behavioral and a stable individual tendency across time and different contexts, procrastination is harmful to the procrastinator’s psychological, physical. Given that the cognitive neural mechanisms of procrastination are unclear and lack of causal evidences, we have developed studies on the basis of the time decision model of procrastination and the unified triple brain network model, using cognitive interventions and neural regulation technologies to construct and validate the cognitive neural model of procrastination. In addition, we intended to design precise interventions for procrastination as well. Our studies included three aspects: (1) From the perspective of recording and association research, we used multimodal MRI methods to systematically investigate the cognitive neural mechanisms of procrastination; (2) From the perspective of causal/near-causal research, we used cognitive interventions and neuroregulatory techniques to validate and improve the cognitive neural model of procrastination; (3) From the perspective of clinical application, we intended to establish a clinical screening and diagnosis system and precise interventions for procrastination behavior disorder. Thus, this study not only reaped important theoretical contribution to the exploration of the core cognitive neural mechanisms of procrastination, but also obtained practical significance for the effective prevention and precise treatments of procrastination.
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