scholarly journals Processing emotional facial expressions: The role of anxiety and awareness

2002 ◽  
Vol 2 (1) ◽  
pp. 52-63 ◽  
Author(s):  
E. FOX
Keyword(s):  
Facial Expressions ◽  
Emotional Facial Expressions

From Movement to Action

2017 ◽  
Author(s):  
Peggy Mason
Keyword(s):  
Cerebral Palsy ◽  
Motor Control ◽  
Facial Expression ◽  
Postural Control ◽  
Facial Expressions ◽  
Body Mass ◽  
Emotional Facial Expressions ◽  
Cortical Regions ◽  
Self Motion

Tracts descending from motor control centers in the brainstem and cortex target motor interneurons and in select cases motoneurons. The mechanisms and constraints of postural control are elaborated and the effect of body mass on posture discussed. Feed-forward reflexes that maintain posture during standing and other conditions of self-motion are described. The role of descending tracts in postural control and the pathological posturing is described. Pyramidal (corticospinal and corticobulbar) and extrapyramidal control of body and face movements is contrasted. Special emphasis is placed on cortical regions and tracts involved in deliberate control of facial expression; these pathways are contrasted with mechanisms for generating emotional facial expressions. The signs associated with lesions of either motoneurons or motor control centers are clearly detailed. The mechanisms and presentation of cerebral palsy are described. Finally, understanding how pre-motor cortical regions generate actions is used to introduce apraxia, a disorder of action.

The similiarity of facial expressions in response to emotion-inducing films in reared-apart twins

2007 ◽  
Vol 38 (10) ◽  
pp. 1475-1483 ◽  
Author(s):  
K. S. Kendler ◽  
L. J. Halberstadt ◽  
F. Butera ◽  
J. Myers ◽  
T. Bouchard ◽  
...  
Keyword(s):  
Facial Expressions ◽  
Positive Emotions ◽  
Genetic Factors ◽  
Small Sample Size ◽  
Small Sample ◽  
Self Report ◽  
Emotional Expressions ◽  
Emotional Facial Expressions ◽  
Minimal Contact

BackgroundWhile the role of genetic factors in self-report measures of emotion has been frequently studied, we know little about the degree to which genetic factors influence emotional facial expressions.MethodTwenty-eight pairs of monozygotic (MZ) and dizygotic (DZ) twins from the Minnesota Study of Twins Reared Apart were shown three emotion-inducing films and their facial responses recorded. These recordings were blindly scored by trained raters. Ranked correlations between twins were calculated controlling for age and sex.ResultsTwin pairs were significantly correlated for facial expressions of general positive emotions, happiness, surprise and anger, but not for general negative emotions, sadness, or disgust or average emotional intensity. MZ pairs (n=18) were more correlated than DZ pairs (n=10) for most but not all emotional expressions.ConclusionsSince these twin pairs had minimal contact with each other prior to testing, these results support significant genetic effects on the facial display of at least some human emotions in response to standardized stimuli. The small sample size resulted in estimated twin correlations with very wide confidence intervals.

scholarly journals Perception of Natural and Artificial Dynamic Facial Expressions During Stroboscopic Presentation

2021 ◽  
Vol 14 (4) ◽  
pp. 4-22
Author(s):  
O.A. Korolkova ◽  
E.A. Lobodinskaya
Keyword(s):  
Facial Expressions ◽  
Qualitative Difference ◽  
Emotional Facial Expressions ◽  
Video Frames ◽  
Dynamic Facial Expressions ◽  
Categorical Structure ◽  
In Series ◽  
Qualitative Nature ◽  
Natural Expression

In an experimental study, we explored the role of the natural or artificial character of expression and the speed of its exposure in the recognition of emotional facial expressions during stroboscopic presentation. In Series 1, participants identified emotions represented as sequences of frames from a video of a natural facial expression; in Series 2 participants were shown sequences of linear morph images. The exposure speed was varied. The results showed that at any exposure speed, the expressions of happiness and disgust were recognized most accurately. Longer presentation increased the accuracy of assessments of happiness, disgust, and surprise. Expression of surprise, demonstrated as a linear transformation, was recognized more efficiently than frames of natural expression of surprise. Happiness was perceived more accurately on video frames. The accuracy of the disgust recognition did not depend on the type of images. The qualitative nature of the stimuli and the speed of their presentation did not affect the accuracy of sadness recognition. The categorical structure of the perception of expressions was stable in any type of exposed images. The obtained results suggest a qualitative difference in the perception of natural and artificial images of expressions, which can be observed under extreme exposure conditions.

scholarly journals Culture Shapes the Distinctiveness of Posed and Spontaneous Facial Expressions of Anger and Disgust

2021 ◽  
Author(s):  
Xia Fang ◽  
Disa Sauter ◽  
Marc Heerdink ◽  
Gerben van Kleef
Keyword(s):  
Facial Expressions ◽  
Supervised Machine Learning ◽  
Emotional Communication ◽  
Facial Muscle ◽  
Emotional Facial Expressions ◽  
Information Theoretic ◽  
Facial Expressions Of Emotion ◽  
First Time ◽  
Homogeneous Culture

There is a growing consensus that culture influences the perception of facial expressions of emotion. However, little is known about whether and how culture shapes the production of emotional facial expressions, and even less so about whether culture differentially shapes the production of posed versus spontaneous expressions. Drawing on prior work on cultural differences in emotional communication, we tested the prediction that people from the Netherlands (a historically heterogeneous culture where people are prone to low-context communication) produce facial expressions that are more distinct across emotions compared to people from China (a historically homogeneous culture where people are prone to high-context communication). Furthermore, we examined whether the degree of distinctiveness varies across posed and spontaneous expressions. Dutch and Chinese participants were instructed to either pose facial expressions of anger and disgust, or to share autobiographical events that elicited spontaneous expressions of anger or disgust. Using the complementary approaches of supervised machine learning and information-theoretic analysis of facial muscle movements, we show that posed and spontaneous facial expressions of anger and disgust were more distinct when produced by Dutch compared to Chinese participants. These findings shed new light on the role of culture in emotional communication by demonstrating, for the first time, effects on the distinctiveness of production of facial expressions.

An Exploratory TMS Study on Prefrontal Lateralization in Valence Categorization of Facial Expressions

2017 ◽  
Vol 64 (4) ◽  
pp. 282-289 ◽  
Author(s):  
Chiara Ferrari ◽  
Lucile Gamond ◽  
Marcello Gallucci ◽  
Tomaso Vecchi ◽  
Zaira Cattaneo
Keyword(s):  
Facial Expressions ◽  
Emotional Processing ◽  
Right Hemisphere ◽  
Control Site ◽  
Emotional Facial Expressions ◽  
Left Dlpfc ◽  
Dorsolateral Prefrontal ◽  
Left And Right ◽  
The Right

Abstract. Converging neuroimaging and patient data suggest that the dorsolateral prefrontal cortex (DLPFC) is involved in emotional processing. However, it is still not clear whether the DLPFC in the left and right hemisphere is differentially involved in emotion recognition depending on the emotion considered. Here we used transcranial magnetic stimulation (TMS) to shed light on the possible causal role of the left and right DLPFC in encoding valence of positive and negative emotional facial expressions. Participants were required to indicate whether a series of faces displayed a positive or negative expression, while TMS was delivered over the right DLPFC, the left DLPFC, and a control site (vertex). Interfering with activity in both the left and right DLPFC delayed valence categorization (compared to control stimulation) to a similar extent irrespective of emotion type. Overall, we failed to demonstrate any valence-related lateralization in the DLPFC by using TMS. Possible methodological limitations are discussed.

Emotional experience and perception in the absence of facial feedback

2002 ◽  
Vol 8 (1) ◽  
pp. 130-135 ◽  
Author(s):  
JOCELYN M. KEILLOR ◽  
ANNA M. BARRETT ◽  
GREGORY P. CRUCIAN ◽  
SARAH KORTENKAMP, ◽  
KENNETH M. HEILMAN
Keyword(s):  
Facial Paralysis ◽  
Facial Expressions ◽  
Emotional Experience ◽  
Emotional Expressions ◽  
Emotional Facial Expressions ◽  
Facial Feedback ◽  
Experience Emotion ◽  
The Ideal

The facial feedback hypothesis suggests that facial expressions are either necessary or sufficient to produce emotional experience. Researchers have noted that the ideal test of the necessity aspect of this hypothesis would be an evaluation of emotional experience in a patient suffering from a bilateral facial paralysis; however, this condition is rare and no such report has been documented. We examined the role of facial expressions in the determination of emotion by studying a patient (F.P.) suffering from a bilateral facial paralysis. Despite her inability to convey emotions through facial expressions, F.P. reported normal emotional experience. When F.P. viewed emotionally evocative slides her reactions were not dampened relative to the normative sample. F.P. retained her ability to detect, discriminate, and image emotional expressions. These findings are not consistent with theories stating that feedback from an active face is necessary to experience emotion, or to process emotional facial expressions. (JINS, 2002, 8, 130–135.)

scholarly journals Facial Expressions and Emotional Singing: A Study of Perception and Production with Motion Capture and Electromyography

2009 ◽  
Vol 26 (5) ◽  
pp. 475-488 ◽  
Author(s):  
Steven R. Livingstone ◽  
William Forde Thompson ◽  
Frank A. Russo
Keyword(s):  
Facial Expressions ◽  
Motion Capture ◽  
Music Performance ◽  
Emotional Facial Expressions ◽  
Close Attention ◽  
Facial Electromyography ◽  
Facial Movements ◽  
Expressive Activity ◽  
Planning Production

FACIAL EXPRESSIONS ARE USED IN MUSIC PERFORMANCE to communicate structural and emotional intentions. Exposure to emotional facial expressions also may lead to subtle facial movements that mirror those expressions. Seven participants were recorded with motion capture as they watched and imitated phrases of emotional singing. Four different participants were recorded using facial electromyography (EMG) while performing the same task. Participants saw and heard recordings of musical phrases sung with happy, sad, and neutral emotional connotations. They then imitated the target stimulus, paying close attention to the emotion expressed. Facial expressions were monitored during four epochs: (a) during the target; (b) prior to their imitation; (c) during their imitation; and (d) after their imitation. Expressive activity was observed in all epochs, implicating a role of facial expressions in the perception, planning, production, and post-production of emotional singing.

scholarly journals The effects of facial attractiveness on spontaneous facial mimicry.

2021 ◽  
Author(s):  
Katlyn Peck
Keyword(s):  
Facial Expressions ◽  
Facial Attractiveness ◽  
Social Bonding ◽  
Facial Muscle ◽  
Emotional Facial Expressions ◽  
Facial Mimicry ◽  
Facial Movements ◽  
Emotional Perception ◽  
The Relationship

When individuals are presented with emotional facial expressions they spontaneously react with brief, distinct facial movements that ‘mimic’ the presented faces. While the effects of facial mimicry on emotional perception and social bonding have been well documented, the role of facial attractiveness on the elicitation of facial mimicry is unknown. We hypothesized that facial mimicry would increase with more attractive faces. Facial movements were recorded with electromyography upon presentation of averaged and original stimuli while ratings of attractiveness and intensity were obtained. In line with existing findings, emotionally congruent responses were observed in relevant facial muscle regions. Unexpectedly, the strength of observers’ facial mimicry responses decreased with more averaged faces, despite being rated perceptually as more attractive. These findings suggest that facial attractiveness moderates the degree of facial mimicry muscle movements elicited in observers. The relationship between averageness, attractiveness and mimicry is discussed in light of this counterintuitive finding.

The role of interference in identification of emotional facial expressions in normal ageing and dementia

2009 ◽  
Vol 21 (2-3) ◽  
pp. 428-444 ◽  
Author(s):  
Beatriz García-Rodríguez ◽  
Heiner Ellgring ◽  
Anna Fusari ◽  
Ana Frank
Keyword(s):  
Facial Expressions ◽  
Emotional Facial Expressions ◽  
Normal Ageing
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