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Gepubliceerd in: Mindfulness 1/2021

06-10-2020 | ORIGINAL PAPER

Mindfulness and De-automatization: Effect of Mindfulness-Based Interventions on Emotional Facial Expressions Processing

Auteurs: Rebecca Shankland, Pauline Favre, Ilios Kotsou, Martial Mermillod

Gepubliceerd in: Mindfulness | Uitgave 1/2021

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Abstract

Objectives

Past research has suggested that mindfulness training reduces automaticity while processing socio-emotional stimuli. The present study aimed to analyze how mindfulness practice may reduce the use of prior knowledge during the recognition of emotional facial expressions. Based on a predictive brain model, we hypothesized that mindfulness practice would reduce the top-down processing of low spatial frequency information.

Methods

This experiment compared the performance of a mindfulness group (n = 32) and a waitlist control group (n = 30) in an emotional Stroop task before and after an 8-week training course. The emotional Stroop task comprised two emotional facial expressions (joy or anger) topped with a congruent or incongruent word, and was primed by facial expressions filtered in two spatial frequency bands: high spatial frequency (HSF) or low spatial frequency (LSF).

Results

Having measured the reaction time, the results showed a significant interaction between group (mindfulness vs. control) and session (before vs. after training; p = 0.04; R2 = 0.001), irrespective of spatial frequency channels. Breaking down the interaction showed that mindfulness-trained participants responded significantly faster than the controls to any type of information. The interaction Group by Session by Priming was not significant.

Conclusions

These results are in line with research underlining the effects of mindfulness-based interventions on global attentional control. More precisely, the global reduced reaction time did not support lower top-down predictive coding abilities specifically driven by low spatial frequency channels, but indicated a better general sensitivity to the perceptual environment.
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Metagegevens
Titel
Mindfulness and De-automatization: Effect of Mindfulness-Based Interventions on Emotional Facial Expressions Processing
Auteurs
Rebecca Shankland
Pauline Favre
Ilios Kotsou
Martial Mermillod
Publicatiedatum
06-10-2020
Uitgeverij
Springer US
Gepubliceerd in
Mindfulness / Uitgave 1/2021
Print ISSN: 1868-8527
Elektronisch ISSN: 1868-8535
DOI
https://doi.org/10.1007/s12671-020-01515-2

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