Mental Time Travel (MTT) allows us to remember past events and imagine future ones. According to previous literature, the Temporal Distance of events affects MTT: our ability to order events worsens for close, compared to far, events. However, those studies established distances a-priori, albeit the way we perceive events' temporal distance may subjectively differ from their objective distance. Thus, in the current study, we aimed to investigate the effects of Perceived Temporal Distance (PTD) on the MTT ability and the brain areas mediating this process. Thirty-three healthy volunteers took part in an fMRI MTT task. Participants were asked to project themselves into the past, present, or future, and to judge a series of events as relative-past or relative-future, in relation to the adopted time location. Outside the scanner, participants provided PTD estimates for each stimulus of the MTT task. Participants' performance and functional activity were analyzed as a function of these estimations. At the behavioural level, PTD predicts the modulation of the performance for relative-past and relative-future. Bilateral angular gyrus, retrosplenial cortex, temporo-parietal region and medial, middle and superior frontal gyri mediate the PTD effect. In addition to these areas, the closer the relative-future events are perceived, the higher the involvement of left parahippocampal and lingual gyri and right cerebellum. Thus, perceived proximity of events activates frontal and posterior parietal areas, which therefore might mediate the processing of PTD in the cognitive spatial representation of time. Future proximity also activates cerebellum and medial temporal areas, known to be involved in imaginative and constructive cognitive functions.

Effects of the perceived temporal distance of events on mental time travel and on its underlying brain circuits / Casadio, Claudia; Patané, Ivan; Candini, Michela; Lui, Fausta; Frassinetti, Francesca; Benuzzi, Francesca. - In: EXPERIMENTAL BRAIN RESEARCH. - ISSN 0014-4819. - 242:5(2024), pp. 1161-1174. [10.1007/s00221-024-06806-x]

Effects of the perceived temporal distance of events on mental time travel and on its underlying brain circuits

Casadio, Claudia
;
Lui, Fausta;Benuzzi, Francesca
2024

Abstract

Mental Time Travel (MTT) allows us to remember past events and imagine future ones. According to previous literature, the Temporal Distance of events affects MTT: our ability to order events worsens for close, compared to far, events. However, those studies established distances a-priori, albeit the way we perceive events' temporal distance may subjectively differ from their objective distance. Thus, in the current study, we aimed to investigate the effects of Perceived Temporal Distance (PTD) on the MTT ability and the brain areas mediating this process. Thirty-three healthy volunteers took part in an fMRI MTT task. Participants were asked to project themselves into the past, present, or future, and to judge a series of events as relative-past or relative-future, in relation to the adopted time location. Outside the scanner, participants provided PTD estimates for each stimulus of the MTT task. Participants' performance and functional activity were analyzed as a function of these estimations. At the behavioural level, PTD predicts the modulation of the performance for relative-past and relative-future. Bilateral angular gyrus, retrosplenial cortex, temporo-parietal region and medial, middle and superior frontal gyri mediate the PTD effect. In addition to these areas, the closer the relative-future events are perceived, the higher the involvement of left parahippocampal and lingual gyri and right cerebellum. Thus, perceived proximity of events activates frontal and posterior parietal areas, which therefore might mediate the processing of PTD in the cognitive spatial representation of time. Future proximity also activates cerebellum and medial temporal areas, known to be involved in imaginative and constructive cognitive functions.
2024
242
5
1161
1174
Effects of the perceived temporal distance of events on mental time travel and on its underlying brain circuits / Casadio, Claudia; Patané, Ivan; Candini, Michela; Lui, Fausta; Frassinetti, Francesca; Benuzzi, Francesca. - In: EXPERIMENTAL BRAIN RESEARCH. - ISSN 0014-4819. - 242:5(2024), pp. 1161-1174. [10.1007/s00221-024-06806-x]
Casadio, Claudia; Patané, Ivan; Candini, Michela; Lui, Fausta; Frassinetti, Francesca; Benuzzi, Francesca
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1337690
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