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Modulation of incentivized dishonesty by disgust facial expressions.

Lim J, Ho PM, Mullette-Gillman OA - Front Neurosci (2015)

Bottom Line: Combining these data with those from prior experiments revealed that the effect of disgust presentation on both harm judgments and honesty could be accounted for by the same bidirectional function, with no significant effect of domain.This clearly demonstrates that disgust facial expressions produce the same modulation of moral judgments across different moral foundations (harm and honesty).Our results suggest strong overlap in the cognitive/neural processes of moral judgments across moral foundations, and provide a framework for further studies to specify the integration of emotional information in moral decision making.

View Article: PubMed Central - PubMed

Affiliation: Neuroscience and Behavioral Disorders Program, Duke-NUS Graduate Medical School Singapore, Singapore ; Singapore Institute for Neurotechnology, National University of Singapore Singapore, Singapore.

ABSTRACT
Disgust modulates moral decisions involving harming others. We recently specified that this effect is bi-directionally modulated by individual sensitivity to disgust. Here, we show that this effect generalizes to the moral domain of honesty and extends to outcomes with real-world impact. We employed a dice-rolling task in which participants were incentivized to dishonestly report outcomes to increase their potential final monetary payoff. Disgust or control facial expressions were presented subliminally on each trial. Our results reveal that the disgust facial expressions altered honest reporting as a bi-directional function moderated by individual sensitivity. Combining these data with those from prior experiments revealed that the effect of disgust presentation on both harm judgments and honesty could be accounted for by the same bidirectional function, with no significant effect of domain. This clearly demonstrates that disgust facial expressions produce the same modulation of moral judgments across different moral foundations (harm and honesty). Our results suggest strong overlap in the cognitive/neural processes of moral judgments across moral foundations, and provide a framework for further studies to specify the integration of emotional information in moral decision making.

No MeSH data available.


Bi-directional relationship between disgust sensitivity and modulation of dishonesty. The difference in the mean reported dice roll values between blocks was significantly positively correlated with disgust sensitivity, indicating replication of the bi-directional function of individual sensitivity determining the sign and size of moral modulation due to disgust stimuli.
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Figure 4: Bi-directional relationship between disgust sensitivity and modulation of dishonesty. The difference in the mean reported dice roll values between blocks was significantly positively correlated with disgust sensitivity, indicating replication of the bi-directional function of individual sensitivity determining the sign and size of moral modulation due to disgust stimuli.

Mentions: Our principal aim was to test whether our bidirectional function (Ong et al., 2014; moral judgment modulation moderated by individual sensitivity) generalizes to the moral domain of honesty. To start, we tested the correlation between the difference in MRDRVs (Disgust—Neutral) and individual disgust sensitivity (DS) (measured by the DS-R scale). This revealed a significant positive relationship (Figure 4: r = 0.33, p = 0.02). We proceeded to conduct a One-Way repeated-measures ANCOVA using DS-R as a covariate to compare the difference in MRDRV between disgust and neutral blocks. This revealed a significant effect [F(1, 46) = 7.38, p = 0.0009, η2p = 0.14], suggesting the successful generalization of our bidirectional function to the moral domain of honesty.


Modulation of incentivized dishonesty by disgust facial expressions.

Lim J, Ho PM, Mullette-Gillman OA - Front Neurosci (2015)

Bi-directional relationship between disgust sensitivity and modulation of dishonesty. The difference in the mean reported dice roll values between blocks was significantly positively correlated with disgust sensitivity, indicating replication of the bi-directional function of individual sensitivity determining the sign and size of moral modulation due to disgust stimuli.
© Copyright Policy
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4508507&req=5

Figure 4: Bi-directional relationship between disgust sensitivity and modulation of dishonesty. The difference in the mean reported dice roll values between blocks was significantly positively correlated with disgust sensitivity, indicating replication of the bi-directional function of individual sensitivity determining the sign and size of moral modulation due to disgust stimuli.
Mentions: Our principal aim was to test whether our bidirectional function (Ong et al., 2014; moral judgment modulation moderated by individual sensitivity) generalizes to the moral domain of honesty. To start, we tested the correlation between the difference in MRDRVs (Disgust—Neutral) and individual disgust sensitivity (DS) (measured by the DS-R scale). This revealed a significant positive relationship (Figure 4: r = 0.33, p = 0.02). We proceeded to conduct a One-Way repeated-measures ANCOVA using DS-R as a covariate to compare the difference in MRDRV between disgust and neutral blocks. This revealed a significant effect [F(1, 46) = 7.38, p = 0.0009, η2p = 0.14], suggesting the successful generalization of our bidirectional function to the moral domain of honesty.

Bottom Line: Combining these data with those from prior experiments revealed that the effect of disgust presentation on both harm judgments and honesty could be accounted for by the same bidirectional function, with no significant effect of domain.This clearly demonstrates that disgust facial expressions produce the same modulation of moral judgments across different moral foundations (harm and honesty).Our results suggest strong overlap in the cognitive/neural processes of moral judgments across moral foundations, and provide a framework for further studies to specify the integration of emotional information in moral decision making.

View Article: PubMed Central - PubMed

Affiliation: Neuroscience and Behavioral Disorders Program, Duke-NUS Graduate Medical School Singapore, Singapore ; Singapore Institute for Neurotechnology, National University of Singapore Singapore, Singapore.

ABSTRACT
Disgust modulates moral decisions involving harming others. We recently specified that this effect is bi-directionally modulated by individual sensitivity to disgust. Here, we show that this effect generalizes to the moral domain of honesty and extends to outcomes with real-world impact. We employed a dice-rolling task in which participants were incentivized to dishonestly report outcomes to increase their potential final monetary payoff. Disgust or control facial expressions were presented subliminally on each trial. Our results reveal that the disgust facial expressions altered honest reporting as a bi-directional function moderated by individual sensitivity. Combining these data with those from prior experiments revealed that the effect of disgust presentation on both harm judgments and honesty could be accounted for by the same bidirectional function, with no significant effect of domain. This clearly demonstrates that disgust facial expressions produce the same modulation of moral judgments across different moral foundations (harm and honesty). Our results suggest strong overlap in the cognitive/neural processes of moral judgments across moral foundations, and provide a framework for further studies to specify the integration of emotional information in moral decision making.

No MeSH data available.