Cortical alpha asymmetry at central and posterior – but not anterior – sites is associated with individual differences in behavioural loss aversion
Heightened sensitivity to losses, known as loss aversion, is a putative avoidance behaviour, which commonly influences decision-making, particularly in economic scenarios where participants have a 50/50 chance of winning or losing money. Evidence from neuropsychology, EEG and TMS research suggests i...
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Veröffentlicht in: | Personality and individual differences 2018-01, Vol.121, p.206-212 |
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creator | Duke, Éilish Schnuerch, Robert Heeren, Gesine Reuter, Martin Montag, Christian Markett, Sebastian |
description | Heightened sensitivity to losses, known as loss aversion, is a putative avoidance behaviour, which commonly influences decision-making, particularly in economic scenarios where participants have a 50/50 chance of winning or losing money. Evidence from neuropsychology, EEG and TMS research suggests individual differences in loss aversion may be explained by neural differences in the lateralisation of the right hemisphere. 40 healthy participants underwent an EEG recording during resting state and subsequently performed a behavioural loss aversion task, in which they had an equal chance of winning or losing money. EEG asymmetry in the alpha band at central and posterior sites was associated with individual differences in behavioural loss aversion. This asymmetry was driven by a combination of increased activation in the right hemisphere and decreased activation in the left hemisphere and the site of this asymmetry differed for females and males. These findings are discussed in relation to behavioural avoidance. |
doi_str_mv | 10.1016/j.paid.2017.04.056 |
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subjects | Approach Asymmetry Avoidance Avoidance behavior Behavior Brain Cortical asymmetry Decision making Differences Electroencephalography Individual differences Loss aversion Money Neuropsychology Posterior asymmetry Resting Resting-state EEG |
title | Cortical alpha asymmetry at central and posterior – but not anterior – sites is associated with individual differences in behavioural loss aversion |
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