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Delayed recognition of emotional facial expressions in Bell's palsy.
Cortex 2019; 120:524-531C

Abstract

We investigated the impact of acute facial palsy on the recognition of emotional facial expressions. Thirty-one patients with acute facial palsy and 30 healthy controls performed a well-established test battery with tasks both for mere face recognition (FACE) and for recognition of emotional facial expressions (EMO). Participants were tested at disease onset (t1) and about eight weeks thereafter (t2). Recognition accuracy did not differ between groups in FACE and EMO tasks at t1 and t2. By contrast, mean reaction time (RT) in the EMO task was significantly longer for patients than for controls at t1 (10.228 ± 710 ms vs 7.386 ± 283 ms; p = .001), whereas RT in the FACE task did not differ between groups. Parallel to clinical remission, patient's RTs in EMO tasks decreased but remained significantly prolonged at t2. Consistent with theories of embodied cognition, our findings show that facial palsy delays recognition of emotional facial expressions but not face recognition per se. Furthermore, normal accuracy of emotion recognition suggests efficient compensatory mechanisms that preserve this essential social function. We hypothesize that deficient sensorimotor embodiment may contribute to disturbances of non-verbal communication in patients with impaired facial motricity.

Authors+Show Affiliations

Department of Neurology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum, Berlin, Germany; Department of Anesthesiology, Werner-Forβmann-Krankenhaus, Eberswalde, Germany. Electronic address: franziska.storbeck@klinikum-barnim.de.Department of Psychology, Biological Psychology and Psychophysiology, Humboldt-University Berlin, Berlin, Germany; Max Planck Research Group Natural Social Cognition, Max Planck Institute for Human Development, Berlin, Germany.Department of Neurology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum, Berlin, Germany.Department of Psychology, Biological Psychology and Psychophysiology, Humboldt-University Berlin, Berlin, Germany.Department of Neurology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum, Berlin, Germany. Electronic address: christoph.ploner@charite.de.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31520847

Citation

Storbeck, Franziska, et al. "Delayed Recognition of Emotional Facial Expressions in Bell's Palsy." Cortex; a Journal Devoted to the Study of the Nervous System and Behavior, vol. 120, 2019, pp. 524-531.
Storbeck F, Schlegelmilch K, Streitberger KJ, et al. Delayed recognition of emotional facial expressions in Bell's palsy. Cortex. 2019;120:524-531.
Storbeck, F., Schlegelmilch, K., Streitberger, K. J., Sommer, W., & Ploner, C. J. (2019). Delayed recognition of emotional facial expressions in Bell's palsy. Cortex; a Journal Devoted to the Study of the Nervous System and Behavior, 120, pp. 524-531. doi:10.1016/j.cortex.2019.07.015.
Storbeck F, et al. Delayed Recognition of Emotional Facial Expressions in Bell's Palsy. Cortex. 2019 Aug 9;120:524-531. PubMed PMID: 31520847.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Delayed recognition of emotional facial expressions in Bell's palsy. AU - Storbeck,Franziska, AU - Schlegelmilch,Karola, AU - Streitberger,Kaspar-Josche, AU - Sommer,Werner, AU - Ploner,Christoph J, Y1 - 2019/08/09/ PY - 2018/12/29/received PY - 2019/05/19/revised PY - 2019/07/25/accepted PY - 2019/9/15/pubmed PY - 2019/9/15/medline PY - 2019/9/15/entrez KW - Bell's palsy KW - Embodied simulation KW - Emotion recognition KW - Facial mimicry KW - Facial palsy SP - 524 EP - 531 JF - Cortex; a journal devoted to the study of the nervous system and behavior JO - Cortex VL - 120 N2 - We investigated the impact of acute facial palsy on the recognition of emotional facial expressions. Thirty-one patients with acute facial palsy and 30 healthy controls performed a well-established test battery with tasks both for mere face recognition (FACE) and for recognition of emotional facial expressions (EMO). Participants were tested at disease onset (t1) and about eight weeks thereafter (t2). Recognition accuracy did not differ between groups in FACE and EMO tasks at t1 and t2. By contrast, mean reaction time (RT) in the EMO task was significantly longer for patients than for controls at t1 (10.228 ± 710 ms vs 7.386 ± 283 ms; p = .001), whereas RT in the FACE task did not differ between groups. Parallel to clinical remission, patient's RTs in EMO tasks decreased but remained significantly prolonged at t2. Consistent with theories of embodied cognition, our findings show that facial palsy delays recognition of emotional facial expressions but not face recognition per se. Furthermore, normal accuracy of emotion recognition suggests efficient compensatory mechanisms that preserve this essential social function. We hypothesize that deficient sensorimotor embodiment may contribute to disturbances of non-verbal communication in patients with impaired facial motricity. SN - 1973-8102 UR - https://www.unboundmedicine.com/medline/citation/31520847/Delayed_recognition_of_emotional_facial_expressions_in_Bell's_palsy L2 - https://linkinghub.elsevier.com/retrieve/pii/S0010-9452(19)30283-7 DB - PRIME DP - Unbound Medicine ER -