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, 10 (1), 1682929
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Are You Angry at Me? Negative Interpretations of Neutral Facial Expressions Are Linked to Child Maltreatment but Not to Posttraumatic Stress Disorder

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Are You Angry at Me? Negative Interpretations of Neutral Facial Expressions Are Linked to Child Maltreatment but Not to Posttraumatic Stress Disorder

Monique C Pfaltz et al. Eur J Psychotraumatol.

Abstract

Background: Individuals with a high prevalence of child maltreatment, e.g. those with borderline personality disorder, tend to see neutral facial expressions as negative. Objective: Our aim was to assess whether this bias is present in individuals with posttraumatic stress disorder (PTSD) and whether it is linked to child maltreatment. Methods: Thirty-nine PTSD participants, 44 traumatized and 35 non-traumatized healthy controls watched 300 one-second movies showing 30 neutral and 270 emotional facial expressions, and indicated whether they interpreted each as a neutral or as one of nine emotional expressions. Results: PTSD individuals did not perform differently than the two control groups in the recognition and interpretation of neutral facial expressions (p's < .300). Higher levels of childhood sexual and emotional abuse, and physical neglect were linked to more interpretations of neutral facial expressions as contempt (p's < .043), and (for sexual abuse and physical neglect) to more interpretations of neutral facial expressions as anger (p's < .014). Comparisons of statistical model fits suggested that childhood sexual abuse was the most relevant predictor of recognition accuracy in our sample. Alexithymia, state dissociation, interpersonal trauma, and number of experienced trauma types were not associated with deficits in the interpretation of neutral expressions. Conclusions: Child maltreatment, especially sexual abuse, may shape the interpretation of neutral facial expressions. Future research should explore whether the observed biases extend to real-life situations. If so, therapists might improve the therapeutic relationship with patients with a history of child maltreatment by paying more attention to their own non-verbal communication and their patients' responses to it. Furthermore, similarly to individuals with high depressive and high social anxiety symptoms, facial expression recognition training might counteract negativity bias in individuals with a history of childhood (sexual and emotional) abuse, and (physical) neglect.

Keywords: Emotion recognition; ambiguous social stimuli; childhood trauma; negative perceptual bias; neutral facial expressions; posttraumatic stress disorder.

Figures

Figure 1.
Figure 1.
Confusions in diagnostic groups and for groups based on CTQ-subscales sexual abuse, physical neglect, and emotional abuse. Error bars indicate standard errors (calculated on link level and transformed back to response level). Neutral expressions were mistaken as pride or disgust in so few cases that models could not be fitted. *PH < .050

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Grant support

This research was supported by the Olga Mayenfisch Foundation (grant to MCP).

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