Understanding the Neural Basis of Prospective Memory Using Functional Near-Infrared Spectroscopy

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Koo, Yu Wen
Neumann, David L
Ownsworth, Tamara
Yeung, Michael K
Shum, David HK
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2022
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Abstract

Prospective memory (PM) is the ability to perform a planned action at an intended future time. This study examined the neural correlates of PM using functional near-infrared spectroscopy (fNIRS). This study employed a within-participants design. A laboratory PM task was adapted for use with fNIRS to investigate regions of interest and levels of brain activation during task performance in 32 participants (63% female, Mage = 21.31 years, SDage = 4.62 years). Participants first completed a working memory (WM) task (N-back ongoing task) followed by a WM plus PM task while neural activity was measured using fNIRS. Behavioral results revealed an interference effect for reaction time on the WM task, whereby participants were significantly slower to respond in the WM plus PM task compared to the WM task. Ongoing task accuracies did not differ between the two conditions. fNIRS results revealed a higher level of neural activity in the fronto-polar prefrontal cortex and dorsolateral prefrontal cortex in the WM plus PM task compared to the WM Condition. These findings highlight that fNIRS is a suitable tool for studying and understanding the neural basis of PM.

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Frontiers in Human Neuroscience

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16

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© 2022 Koo, Neumann, Ownsworth, Yeung and Shum. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Psychology

Neurosciences

Biological psychology

Cognitive and computational psychology

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Social Sciences

Life Sciences & Biomedicine

Neurosciences

Psychology

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Koo, YW; Neumann, DL; Ownsworth, T; Yeung, MK; Shum, DHK, Understanding the Neural Basis of Prospective Memory Using Functional Near-Infrared Spectroscopy, Frontiers in Human Neuroscience, 2022, 16, pp. 905491

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