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Doctoral thesis
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Strategic Monitoring and Time Perception in Time-Based Prospective Memory

ContributorsLaera, Gianvitoorcid
Imprimatur date2023
Defense date2023
Abstract

Time-based prospective memory is the ability to fulfil an intention at the appropriate future moment, such as meeting a friend at 7:00 p.m., or taking the medication at dinner. Time-based prospective memory is a complex cognitive function that can be influenced by a myriad of factors, including individual and contextual characteristics. Although in the last 30 years there has been a growing research interest in the literature, the neurocognitive processes underlying time-based prospective memory are still a matter of debate. Specifically, there is limited knowledge about how time perception affects strategic monitoring of the external time, which is essential to perform time-based prospective memory tasks on time. Indeed, research generally assumes reliable connections between time perception and strategic time monitoring, but such assumption has been investigated systematically not very often. Moreover, it is not clear the extent of the age impact on time monitoring in laboratory-based tasks, as well as the link between age effects with time-based prospective memory performance, and the cognitive modulation induced by task-specific factors, such as the frequency or the duration of the prospective memory tasks. Finally, it is unknown the influence of motivational mechanisms on time monitoring and time-based prospective memory failures.

To fill this research gap, the present work aimed to better understand the cognitive processes behind strategic time monitoring and time-based prospective memory, as well as to elucidate the state of the art concerning age effects and related cognitive processes in time monitoring and time-based prospective memory, and to investigate the potential modulation of the cognitive processes involved in time monitoring and time-based prospective memory that is driven by motivational incentives. Three main research questions were formulated: 1) How do participants monitor the target time in time-based prospective memory tasks? Do participants actively use internal timing processes? 2) What are the age-related differences in time monitoring assessed in the laboratory setting? How do specific task-related factors affect age-related differences in time-based prospective memory? 3) How do monetary costs affect time monitoring and time-based prospective memory, as well as their relationship? Do people change time monitoring strategy?

Two empirical studies and one meta-analysis were conducted. Study 1 aimed to answer to research question 1 manipulating the external time (i.e., clock-speed). Study 3 aimed to answer to research question 3 manipulating monetary deductions. The meta-analysis was carried out to answer research question 2. Results comprehensively suggested that the involvement of time estimation is facilitated with longer PM tasks and can compensate age differences during these tasks (perhaps involving also learning processes), and when time monitoring is affected by consequences related to money losses. The present work provides an updated account of the literature, new insights, and data from two experimental studies investigating the cognitive and motivational mechanisms of time monitoring, as well as a quantitative account of the age effects through a meta-analysis.

eng
Citation (ISO format)
LAERA, Gianvito. Strategic Monitoring and Time Perception in Time-Based Prospective Memory. 2023. doi: 10.13097/archive-ouverte/unige:172582
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Creation10/30/2023 9:41:08 AM
First validation10/31/2023 1:02:51 PM
Update time10/31/2023 1:02:51 PM
Status update10/31/2023 1:02:51 PM
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