Facial Palsy Clinical Trial
— ResPPFOfficial title:
Production et Perception émotionnelle Chez Les Patients paralysés Faciaux: Marqueurs Respiratoires, Phonatoires et expressivité Faciale.
Respiratory function, phonation and facial expressivity are related to emotional reaction
through neurophysiological process. Specific emotional respiratory, vocal and facial patterns
had been described in literature. Respiratory cycles variation is modulated by stimulus
arousal. Furthermore, inspiratory-to-expiratory time ratio in abdominal area is modulated by
emotional valence. Inextricably linked to respiration, vocal production depends on emotional
arousal and valence too.
According to embodied cognition, the effector pattern of an emotion initiates the
corresponding subjective activation. Facial recognition is influenced by automatic mimicry
and facial feedback. Most facial feedback studies included patients with diplegia but few
studies dealt with emotional perception in Bell's palsy.
The aim of the present study is to understand production and perception of emotion in Bell's
palsy with respiratory, vocal and facial markers. What impact lack of mimicry have on
physiological emotional reaction in Bell's palsy? To this end, prospective monocentric study
will be conducted with 60 patients with Bell's Palsy from grade II to grade VI of House &
Brackmann's scale. During production and perception of vocal and facial expression,
respiratory rate and thoraco-abdominal movements will be analyzed. The investigators
hypothesize that severity of facial deficit is negatively correlated with variation of
respiratory cycles, lower segmental and suprasegmental changes during vocal expression, and
lower facial perception (congruency and arousal).
Status | Completed |
Enrollment | 60 |
Est. completion date | April 10, 2020 |
Est. primary completion date | September 25, 2019 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Patients affiliated to the health care system - Patients must have been diagnosed with unilateral peripheral facial palsy stage III to VI, according to House and Brackmann international classification. - To be able to read, understand and sign a consent - To be able to understand French spoken and written Exclusion Criteria: - Diplegia or facial graft - Visual disorders, non corrected - Respiratory or vocal disorders - Psychiatric history - Facial surgery |
Country | Name | City | State |
---|---|---|---|
France | Laboratoire de Physiopathologie Respiratoire du Service de Pneumologie et de Réanimation | Paris |
Lead Sponsor | Collaborator |
---|---|
Association pour le Développement et l'Organisation de la Recherche en Pneumologie et sur le Sommeil |
France,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Effects of facial impairment on the respiratory rate | Facial impairment assesed with Sunnybrook Facial Grading Scale Composite Score in %. Respiratory rate is measured with chest and abdominal belt (breaths per minute). |
1hour | |
Secondary | Effects of facial impairment on pitch variation (Hz) during emotional vocal production. | Acoustic measures lead with Praat Analysis software. Variation pitch between first and last segment of the emotional sentence calculated in Herz. | 1hour | |
Secondary | Effects of facial impairment on perception of emotional facial displays. | Emotional facial displays perception measured with a standardized emotional program in terms of congruency (total score and standard deviation). | 1hour |
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