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Altered Kinematics of Facial Emotion Expression and Emotion Recognition Deficits Are Unrelated in Parkinson's Disease.

Bologna, M; Berardelli, I; Paparella, G; Marsili, L; Ricciardi, L; Fabbrini, G; Berardelli, A (2016) Altered Kinematics of Facial Emotion Expression and Emotion Recognition Deficits Are Unrelated in Parkinson's Disease. Front Neurol, 7. p. 230. ISSN 1664-2295 https://doi.org/10.3389/fneur.2016.00230
SGUL Authors: Ricciardi, Lucia

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Abstract

BACKGROUND: Altered emotional processing, including reduced emotion facial expression and defective emotion recognition, has been reported in patients with Parkinson's disease (PD). However, few studies have objectively investigated facial expression abnormalities in PD using neurophysiological techniques. It is not known whether altered facial expression and recognition in PD are related. OBJECTIVE: To investigate possible deficits in facial emotion expression and emotion recognition and their relationship, if any, in patients with PD. METHODS: Eighteen patients with PD and 16 healthy controls were enrolled in this study. Facial expressions of emotion were recorded using a 3D optoelectronic system and analyzed using the facial action coding system. Possible deficits in emotion recognition were assessed using the Ekman test. Participants were assessed in one experimental session. Possible relationship between the kinematic variables of facial emotion expression, the Ekman test scores, and clinical and demographic data in patients were evaluated using the Spearman's test and multiple regression analysis. RESULTS: The facial expression of all six basic emotions had slower velocity and lower amplitude in patients in comparison to healthy controls (all Ps < 0.05). Patients also yielded worse Ekman global score and disgust, sadness, and fear sub-scores than healthy controls (all Ps < 0.001). Altered facial expression kinematics and emotion recognition deficits were unrelated in patients (all Ps > 0.05). Finally, no relationship emerged between kinematic variables of facial emotion expression, the Ekman test scores, and clinical and demographic data in patients (all Ps > 0.05). CONCLUSION: The results in this study provide further evidence of altered emotional processing in PD. The lack of any correlation between altered facial emotion expression kinematics and emotion recognition deficits in patients suggests that these abnormalities are mediated by separate pathophysiological mechanisms.

Item Type: Article
Additional Information: Copyright: © 2016 Bologna, Berardelli, Paparella, Marsili, Ricciardi, Fabbrini and Berardelli. 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) or licensor 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.
Keywords: Parkinson’s disease, bradykinesia, emotion, hypomimia, motor control, Parkinson's disease, bradykinesia, hypomimia, emotion, motor control, 1109 Neurosciences, 1103 Clinical Sciences, 1701 Psychology
SGUL Research Institute / Research Centre: Academic Structure > Molecular and Clinical Sciences Research Institute (MCS)
Journal or Publication Title: Front Neurol
ISSN: 1664-2295
Language: eng
Dates:
DateEvent
14 December 2016Published Online
1 December 2016Accepted
Publisher License: Creative Commons: Attribution 4.0
PubMed ID: 28018287
Web of Science ID: WOS:000390168300001
Go to PubMed abstract
URI: https://openaccess.sgul.ac.uk/id/eprint/110536
Publisher's version: https://doi.org/10.3389/fneur.2016.00230

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