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Facial expressions and affect

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https://www.readbyqxmd.com/read/28227010/differentiating-facial-incongruity-and-flatness-in-schizophrenia-using-structured-light-camera-data
#1
Talia Tron, Abraham Peled, Alexander Grinsphoon, Daphna Weinshall, Talia Tron, Abraham Peled, Alexander Grinsphoon, Daphna Weinshall, Alexander Grinsphoon, Abraham Peled, Talia Tron
Incongruity between emotional experience and its outwardly expression is one of the prominent symptoms in schizophrenia. Though widely reported and used in clinical evaluation, this symptom is inadequately defined in the literature and may be confused with mere affect flattening. In this study we used structured-light depth camera and dedicated software to automatically measure facial activity of schizophrenia patients and healthy individuals during an emotionally evocative task. We defined novel measures for the congruence of emotional experience and emotional expression and for Flat Affect, compared them between patients and controls, and examined their consistency with clinical evaluation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28214916/facial-expression-an-under-utilised-tool-for-the-assessment-of-welfare-in-mammals
#2
Kris A Descovich, Jennifer Wathan, Matthew C Leach, Hannah M Buchanan-Smith, Paul Flecknell, David Farningham, Sarah-Jane Vick
Animal welfare is a key issue for industries that use or impact upon animals. The accurate identification of welfare states is particularly relevant to the field of bioscience, where the 3Rs framework encourages refinement of experimental procedures involving animal models. The assessment and improvement of welfare states in animals is reliant on reliable and valid measurement tools. Behavioural measures (activity, attention, posture and vocalisation) are frequently used because they are immediate and non-invasive, however no single indicator can yield a complete picture of the internal state of an animal...
February 8, 2017: ALTEX
https://www.readbyqxmd.com/read/28211817/post-stroke-acquired-amusia-a-comparison-between-right-and-left-brain-hemispheric-damages
#3
Zahra Jafari, Mahdiye Esmaili, Ahmad Delbari, Masoud Mehrpour, Majid H Mohajerani
BACKGROUND: Although extensive research has been published about the emotional consequences of stroke, most studies have focused on emotional words, speech prosody, voices, or facial expressions. The emotional processing of musical excerpts following stroke has been relatively unexplored. OBJECTIVE: The present study was conducted to investigate the effects of chronic stroke on the recognition of basic emotions in music. METHODS: Seventy persons, including 25 normal controls (NC), 25 persons with right brain damage (RBD) from stroke, and 20 persons with left brain damage (LBD) from stroke between the ages of 31-71 years were studied...
February 15, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28208076/how-does-gaze-direction-affect-facial-processing-in-social-anxiety-an-erp-study
#4
Dan Li, Fengqiong Yu, Rong Ye, Xingui Chen, Xinhui Xie, Chunyan Zhu, Kai Wang
Previous behavioral studies have demonstrated an effect of eye gaze direction on the processing of emotional expressions in adults with social anxiety. However, specific brain responses to the interaction between gaze direction and facial expressions in social anxiety remain unclear. The present study aimed to explore the time course of such interaction using event-related potentials (ERPs) in participants with social anxiety. High socially anxious individuals and low socially anxious individuals were asked to identify the gender of angry or neutral faces with direct or averted gaze while their behavioral performance and electrophysiological data were monitored...
February 9, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28191653/generalized-hostile-interpretation-bias-regarding-facial-expressions-characteristic-of-pathological-aggressive-behavior
#5
Danique Smeijers, Mike Rinck, Erik Bulten, Thom van den Heuvel, Robbert-Jan Verkes
Individuals with aggression regulation disorders tend to attribute hostility to others in socially ambiguous situations. Previous research suggests that this "hostile attribution bias" is a powerful cause of aggression. Facial expressions form important cues in the appreciation of others' intentions. Furthermore, accurate processing of facial expressions is fundamental to normal socialization. However, research on interpretation biases in facial affect is limited. It is asserted that a hostile interpretation bias (HIB) is likely to be displayed by individuals with an antisocial (ASPD) and borderline personality disorder (BPD) and probably also with an intermittent explosive disorder (IED)...
February 12, 2017: Aggressive Behavior
https://www.readbyqxmd.com/read/28182445/state-dependent-alterations-in-inhibitory-control-and-emotional-face-identification-in-seasonal-affective-disorder
#6
Liv V Hjordt, Dea S Stenbæk, Kathrine Skak Madsen, Brenda Mc Mahon, Christian G Jensen, Martin Vestergaard, Ida Hageman, David Meder, Steen G Hasselbalch, Gitte M Knudsen
BACKGROUND: Depressed individuals often exhibit impaired inhibition to negative input and identification of positive stimuli, but it is unclear whether this is a state or trait feature. We here exploited a naturalistic model, namely individuals with seasonal affective disorder (SAD), to study this feature longitudinally. AIM: The goal of this study was to examine seasonal changes in inhibitory control and identification of emotional faces in individuals with SAD...
February 9, 2017: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/28173998/emotion-perception-from-face-voice-and-touch-comparisons-and-convergence
#7
REVIEW
Annett Schirmer, Ralph Adolphs
Historically, research on emotion perception has focused on facial expressions, and findings from this modality have come to dominate our thinking about other modalities. Here we examine emotion perception through a wider lens by comparing facial with vocal and tactile processing. We review stimulus characteristics and ensuing behavioral and brain responses and show that audition and touch do not simply duplicate visual mechanisms. Each modality provides a distinct input channel and engages partly nonoverlapping neuroanatomical systems with different processing specializations (e...
February 4, 2017: Trends in Cognitive Sciences
https://www.readbyqxmd.com/read/28166792/mothers-pupillary-responses-to-infant-facial-expressions
#8
Santeri Yrttiaho, Dana Niehaus, Eileen Thomas, Jukka M Leppänen
BACKGROUND: Human parental care relies heavily on the ability to monitor and respond to a child's affective states. The current study examined pupil diameter as a potential physiological index of mothers' affective response to infant facial expressions. METHODS: Pupillary time-series were measured from 86 mothers of young infants in response to an array of photographic infant faces falling into four emotive categories based on valence (positive vs. negative) and arousal (mild vs...
February 6, 2017: Behavioral and Brain Functions: BBF
https://www.readbyqxmd.com/read/28152081/infants-sensitivity-to-emotion-in-music-and-emotion-action-understanding
#9
Tik-Sze Carrey Siu, Him Cheung
Emerging evidence has indicated infants' early sensitivity to acoustic cues in music. Do they interpret these cues in emotional terms to represent others' affective states? The present study examined infants' development of emotional understanding of music with a violation-of-expectation paradigm. Twelve- and 20-month-olds were presented with emotionally concordant and discordant music-face displays on alternate trials. The 20-month-olds, but not the 12-month-olds, were surprised by emotional incongruence between musical and facial expressions, suggesting their sensitivity to musical emotion...
2017: PloS One
https://www.readbyqxmd.com/read/28151976/transient-emotional-events-and-individual-affective-traits-affect-emotion-recognition-in-a-perceptual-decision-making-task
#10
Emilie Qiao-Tasserit, Maria Garcia Quesada, Lia Antico, Daphne Bavelier, Patrik Vuilleumier, Swann Pichon
Both affective states and personality traits shape how we perceive the social world and interpret emotions. The literature on affective priming has mostly focused on brief influences of emotional stimuli and emotional states on perceptual and cognitive processes. Yet this approach does not fully capture more dynamic processes at the root of emotional states, with such states lingering beyond the duration of the inducing external stimuli. Our goal was to put in perspective three different types of affective states (induced affective states, more sustained mood states and affective traits such as depression and anxiety) and investigate how they may interact and influence emotion perception...
2017: PloS One
https://www.readbyqxmd.com/read/28140486/effects-of-intranasal-oxytocin-on-interpretation-and-expression-of-emotions-in-anorexia-nervosa
#11
Jenni Leppanen, Valentina Cardi, Kah Wee Ng, Yannis Paloyelis, Daniel Stein, Kate Tchanturia, Janet Treasure
BACKGROUND: Altered social-emotional functioning is believed to play an important role in the development and maintenance of anorexia nervosa (AN). Recently, there has been increasing interest investigating the role of intranasal oxytocin in social-emotional processing. Thus the present study aimed to investigate the effects of intranasal oxytocin on interpretation and expression of emotions among people with AN. METHOD: Thirty women with AN and twenty-nine age-matched healthy women took part in the current study, which used a double blind, placebo controlled, crossover design...
January 31, 2017: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/28128430/-the-neural-networks-of-facial-expression
#12
REVIEW
F Gordillo, L Mestas, G Castillo, M A Perez, R M Lopez, J M Arana
INTRODUCTION: Face perception involves a broad network of connections between cortical and subcortical regions for the exchange and synchronization of information using white matter fibers. This precise communication system can be affected by the structures and the pathways that connect them. AIMS: To establish the neural substrate underlying the perception of facial expression and to analyze the different factors involved in modulating the integrity of this neural network, with the aim being to introduce improvements into rehabilitation programs...
February 1, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28124119/heterozygosity-for-arid2-loss-of-function-mutations-in-individuals-with-a-coffin-siris-syndrome-like-phenotype
#13
Nuria C Bramswig, O Caluseriu, H-J Lüdecke, F V Bolduc, N C L Noel, T Wieland, H M Surowy, H-J Christen, H Engels, T M Strom, D Wieczorek
Chromatin remodeling is a complex process shaping the nucleosome landscape, thereby regulating the accessibility of transcription factors to regulatory regions of target genes and ultimately managing gene expression. The SWI/SNF (switch/sucrose nonfermentable) complex remodels the nucleosome landscape in an ATP-dependent manner and is divided into the two major subclasses Brahma-associated factor (BAF) and Polybromo Brahma-associated factor (PBAF) complex. Somatic mutations in subunits of the SWI/SNF complex have been associated with different cancers, while germline mutations have been associated with autism spectrum disorder and the neurodevelopmental disorders Coffin-Siris (CSS) and Nicolaides-Baraitser syndromes (NCBRS)...
January 25, 2017: Human Genetics
https://www.readbyqxmd.com/read/28120103/mutations-in-chromatin-regulators-functionally-link-cornelia-de-lange-syndrome-and-clinically-overlapping-phenotypes
#14
Ilaria Parenti, María E Teresa-Rodrigo, Jelena Pozojevic, Sara Ruiz Gil, Ingrid Bader, Diana Braunholz, Nuria C Bramswig, Cristina Gervasini, Lidia Larizza, Lutz Pfeiffer, Ferda Ozkinay, Feliciano Ramos, Benedikt Reiz, Olaf Rittinger, Tim M Strom, Erwan Watrin, Kerstin Wendt, Dagmar Wieczorek, Bernd Wollnik, Carolina Baquero-Montoya, Juan Pié, Matthew A Deardorff, Gabriele Gillessen-Kaesbach, Frank J Kaiser
The coordinated tissue-specific regulation of gene expression is essential for the proper development of all organisms. Mutations in multiple transcriptional regulators cause a group of neurodevelopmental disorders termed "transcriptomopathies" that share core phenotypical features including growth retardation, developmental delay, intellectual disability and facial dysmorphism. Cornelia de Lange syndrome (CdLS) belongs to this class of disorders and is caused by mutations in different subunits or regulators of the cohesin complex...
January 24, 2017: Human Genetics
https://www.readbyqxmd.com/read/28118366/as-far-as-the-eye-can-see-relationship-between-psychopathic-traits-and-pupil-response-to-affective-stimuli
#15
Daniel T Burley, Nicola S Gray, Robert J Snowden
Psychopathic individuals show a range of affective processing deficits, typically associated with the interpersonal/affective component of psychopathy. However, previous research has been inconsistent as to whether psychopathy, within both offender and community populations, is associated with deficient autonomic responses to the simple presentation of affective stimuli. Changes in pupil diameter occur in response to emotionally arousing stimuli and can be used as an objective indicator of physiological reactivity to emotion...
2017: PloS One
https://www.readbyqxmd.com/read/28117349/interaction-between-facial-expression-and-color
#16
Kae Nakajima, Tetsuto Minami, Shigeki Nakauchi
Facial color varies depending on emotional state, and emotions are often described in relation to facial color. In this study, we investigated whether the recognition of facial expressions was affected by facial color and vice versa. In the facial expression task, expression morph continua were employed: fear-anger and sadness-happiness. The morphed faces were presented in three different facial colors (bluish, neutral, and reddish color). Participants identified a facial expression between the two endpoints (e...
January 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28114335/human-empathy-personality-and-experience-affect-the-emotion-ratings-of-dog-and-human-facial-expressions
#17
Miiamaaria V Kujala, Sanni Somppi, Markus Jokela, Outi Vainio, Lauri Parkkonen
Facial expressions are important for humans in communicating emotions to the conspecifics and enhancing interpersonal understanding. Many muscles producing facial expressions in humans are also found in domestic dogs, but little is known about how humans perceive dog facial expressions, and which psychological factors influence people's perceptions. Here, we asked 34 observers to rate the valence, arousal, and the six basic emotions (happiness, sadness, surprise, disgust, fear, and anger/aggressiveness) from images of human and dog faces with Pleasant, Neutral and Threatening expressions...
2017: PloS One
https://www.readbyqxmd.com/read/28107797/emotional-capture-by-fearful-expressions-varies-with-psychopathic-traits
#18
Saz P Ahmed, Sara Hodsoll, Polly Dalton, Catherine L Sebastian
Task-irrelevant emotional expressions are known to capture attention, with the extent of "emotional capture" varying with psychopathic traits in antisocial samples. We investigated whether this variation extends throughout the continuum of psychopathic traits (and co-occurring trait anxiety) in a community sample. Participants (N = 85) searched for a target face among facial distractors. As predicted, angry and fearful faces interfered with search, indicated by slower reaction times relative to neutral faces...
January 20, 2017: Cognition & Emotion
https://www.readbyqxmd.com/read/28099136/alexithymia-and-automatic-processing-of-emotional-stimuli-a-systematic-review
#19
Uta-Susan Donges, Thomas Suslow
Alexithymia is a personality trait characterized by difficulties in recognizing and verbalizing emotions and the utilization of a cognitive style that is oriented toward external events, rather than intrapsychic experiences. Alexithymia is considered a vulnerability factor influencing onset and course of many psychiatric disorders. Even though emotions are, in general, elicited involuntarily and emerge without conscious effort, it is surprising that little attention in etiological considerations concerning alexithymia has been given to deficits in automatic emotion processing and their neurobiological bases...
January 18, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28095998/the-feasibility-and-clinical-benefits-of-improving-facial-affect-recognition-impairments-in-schizophrenia-systematic-review-and-meta-analysis
#20
REVIEW
Natalie Bordon, Suzanne O'Rourke, Paul Hutton
BACKGROUND: People diagnosed with schizophrenia have significant difficulty accurately recognising emotions expressed by others. This may generate anomalous experiences which, if misinterpreted, could contribute to experiences of social defeat, psychotic symptoms and reduced social functioning. It remains unclear whether this impairment is responsive to non-pharmacological intervention, or what the effect of modifying it is. METHODS: We did a systematic review and meta-analysis to examine whether and to what extent facial affect recognition impairments can be improved by psychological intervention and, if so, whether this leads to improvements in psychotic symptoms and social functioning...
January 14, 2017: Schizophrenia Research
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