Face emotion recognition in children and adolescents; effects of puberty and callous unemotional traits in a community sample

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Copyright: Merz, Sabine
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Abstract
Previous research suggests that as well as behavioural difficulties, a small subset of aggressive and antisocial children show callous unemotional (CU) personality traits (i.e., lack of remorse and absence of empathy) that set them apart from their low-CU peers. These children have been identified as being most at risk to follow a path of severe and persistent antisocial behaviour, showing distinct behavioural patterns, and have been found to respond less to traditional treatment programs. One particular focus of this thesis is that emerging findings have shown emotion recognition deficits within both groups. Whereas children who only show behavioural difficulties (in the absence of CU traits) have been found to misclassify vague and neutral expressions as anger, the presence of CU traits has been associated with an inability to correctly identify fear and to a lesser extend, sadness. Furthermore, emotion recognition competence varies with age and development. In general, emotion recognition improves with age, but interestingly there is some evidence that it may become less efficient during puberty. No research could be located, however, that assessed emotion recognition through childhood and adolescence for children high and low on CU traits and antisocial behaviour. The primary focus of this study was to investigate the impact of these personality traits and pubertal development on emotion recognition competence in isolation and in combination. A specific aim was to assess if puberty would exacerbate these deficits in children with pre-existing deficits in emotion recognition. The effect of gender, emotion type and measure characteristics, in particular the age of the target face, was also examined. A community sample of 703 children and adolescents aged 7-17 were administered the Strength and Difficulties Questionnaire to assess adjustment, the Antisocial Process Screening Device to assess antisocial traits, and the Pubertal Development Scale was administered to evaluate pubertal stage. Empathy was assessed using the Bryant Index of Empathy for Children and Adolescents. Parents or caregivers completed parent version of these measures for their children. Emotion recognition ability was measured using the newly developed UNSW FACES task (Dadds, Hawes & Merz, 2004). Description of the development and validation of this measure are included. Contrary to expectations, emotion recognition accuracy was not negatively affected by puberty. In addition, no overall differences in emotion recognition ability were found due to participant’s gender or target face age group characteristics. The hypothesis that participants would be better at recognising emotions expressed by their own age group was therefore not supported. In line with expectations, significant negative associations between CU traits and fear recognition were found. However, these were small, and contrary to expectations, were found for girls rather than boys. Also, puberty did not exacerbate emotion recognition deficits in high CU children. However, the relationship between CU traits and emotion recognition was affected differently by pubertal status. The implications of these results are discussed in relation to future research into emotion recognition deficits within this population. In addition, theoretical and practical implications of these findings for the development of antisocial behaviour and the treatment of children showing CU traits are explored.
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Merz, Sabine
Supervisor(s)
Dadds, Mark
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Publication Year
2008
Resource Type
Thesis
Degree Type
PhD Doctorate
UNSW Faculty
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