When Age Matters: Differences in Facial Mimicry and Autonomic Responses to Peers Emotions in Teenagers and AdultsReport as inadecuate




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Age-group membership effects on explicit emotional facial expressions recognition have been widely demonstrated. In this study we investigated whether Age-group membership could also affect implicit physiological responses, as facial mimicry and autonomic regulation, to observation of emotional facial expressions. To this aim, facial Electromyography EMG and Respiratory Sinus Arrhythmia RSA were recorded from teenager and adult participants during the observation of facial expressions performed by teenager and adult models. Results highlighted that teenagers exhibited greater facial EMG responses to peers- facial expressions, whereas adults showed higher RSA-responses to adult facial expressions. The different physiological modalities through which young and adults respond to peers- emotional expressions are likely to reflect two different ways to engage in social interactions with coetaneous. Findings confirmed that age is an important and powerful social feature that modulates interpersonal interactions by influencing low-level physiological responses.



Author: Martina Ardizzi , Mariateresa Sestito, Francesca Martini, Maria Alessandra Umiltà, Roberto Ravera, Vittorio Gallese

Source: http://plos.srce.hr/



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