Journal
NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS
Volume 36, Issue 10, Pages 2288-2304Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neubiorev.2012.08.006
Keywords
Psychopathy; Callous unemotional; Antisocial; Face; Voice; Posture; Nonverbal; Expression; Emotion; Amygdala; Meta-analysis
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Funding
- Australian Research Council [DP110100850]
- [DP0984558]
- Australian Research Council [DP0984558] Funding Source: Australian Research Council
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The present meta-analysis aimed to clarify whether deficits in emotion recognition in psychopathy are restricted to certain emotions and modalities or whether they are more pervasive. We also attempted to assess the influence of other important variables: age, and the affective factor of psychopathy. A systematic search of electronic databases and a subsequent manual search identified 26 studies that included 29 experiments (N=1376) involving six emotion categories (anger, disgust, fear, happiness, sadness, surprise) across three modalities (facial, vocal, postural). Meta-analyses found evidence of pervasive impairments across modalities (facial and vocal) with significant deficits evident for several emotions (i.e., not only fear and sadness) in both adults and children/adolescents. These results are consistent with recent theorizing that the amygdala, which is believed to be dysfunctional in psychopathy, has a broad role in emotion processing. We discuss limitations of the available data that restrict the ability of meta-analysis to consider the influence of age and separate the sub-factors of psychopathy, highlighting important directions for future research. (C) 2012 Elsevier Ltd. All rights reserved.
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