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. 2020 Sep 21:2020:8859231.
doi: 10.1155/2020/8859231. eCollection 2020.

Effect of Emotion on Prospective Memory in Those of Different Age Groups

Jinhua Xian  1   2   3 , Yan Wang  1   3 , Buxin Han  1   3
Affiliations

Effect of Emotion on Prospective Memory in Those of Different Age Groups

Jinhua Xian et al. Comput Intell Neurosci. .

Abstract

The effect of emotion on prospective memory on those of different age groups and its neural mechanism in Chinese adults are still unclear. The present study investigated the effect of emotion on prospective memory during the encoding and retrieval phases in younger and older adults by using event-related potentials (ERPs). In the behavioral results, a shorter response time was found for positive prospective memory cues only in older group. In the ERP results, during the encoding phase, an increased late positive potential (LPP) was found for negative prospective memory cues in younger adults, while the amplitude of the LPP was marginally greater for positive prospective memory cues than for negative prospective memory cues in older adults. Correspondingly, younger adults showed an increased parietal positivity for negative prospective memory cues, while an elevated parietal positivity for positive prospective memory cues was found in older adults during the retrieval phase. This finding reflects the increased attentional processing of encoding and the more cognitive resources recruited to carry out a set of processes that are associated with the realization of delayed intentions when the prospective memory cues are emotional. The results reveal the effect of emotion on prospective memory during the encoding and retrieval phases in Chinese adults, modulated by aging, as shown by a positivity effect on older adults and a negativity bias in younger adults.

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Conflict of interest statement

The authors declare that there are no conflicts of interest regarding the publication of this paper.

Figures

Figure 1
Figure 1
Encoding phase. Grand average event-related potentials at 6 electrodes used in the ANOVA, demonstrating the LPP (400–650 ms, PO3, PO4, PO5, PO6, PO7, and PO8) elicited by positive, neutral, and negative PM cues in younger and older adults.
Figure 2
Figure 2
Retrieval phase. Grand average event-related potentials at 12 electrodes used in the ANOVA, demonstrating the N300 (270–350 ms, PO3, PO4, PO5, PO6, PO7, PO8) and parietal positivity (500–800 ms, P1, P2, P3, P4, P5, P6) elicited by positive, neutral, and negative PM cues in younger and older adults.
See this image and copyright information in PMC

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