The role of state and trait anxiety in the processing of facial expressions of emotion

State anxiety appears to influence facial emotion processing (Attwood et al . 2017 R. Soc. Open Sci. 4 , 160855). We aimed to (i) replicate these findings and (ii) investigate the role of trait anxiety, in an experiment with healthy UK participants ( N = 48, 50% male, 50% high trait anxiety). High and low state anxiety were induced via inhalations of 7.5% carbon dioxide enriched air and medical air, respectively. High state anxiety reduced global emotion recognition accuracy ( p = 0.01, η p 2 = 0.14 ), but it did not affect interpretation bias towards perceiving anger in ambiguous angry–happy facial morphs ( p = 0.18, η p 2 = 0.04 ). We found no clear evidence of a relationship between trait anxiety and global emotion recognition accuracy ( p = 0.60, η p 2 = 0.01 ) or interpretation bias towards perceiving anger ( p = 0.83, η p 2 = 0.01 ). However, there was greater interpretation bias towards perceiving anger (i.e. away from happiness) during heightened state anxiety, among individuals with high trait anxiety ( p = 0.03, d z = 0.33). State anxiety appears to impair emotion recognition accuracy, and among individuals with high trait anxiety, it appears to increase biases towards perceiving anger (away from happiness). Trait anxiety alone does not appear to be associated with facial emotion processing.

Understanding mechanisms that may underlie the development and maintenance of anxiety in children and adolescents: Cognitive biases and parenting behaviours

<p>Anxiety is one of the most common forms of psychopathology in children and adolescents. Understanding the mechanisms that underlie the development and maintenance of this disorder is therefore critical. A variety of factors that interact with one another are likely to contribute to the risk and perpetuation of anxiety in young people. Moreover, risk and maintaining factors can occur at both an individual and environmental level. Cognitive biases are one such factor occurring at an individual level that are investigated in Study 1 and Study 2 of this thesis. Cognitive biases are also predicted to have associations with particular kinds of parenting behaviours, and Study 3 investigated these parenting behaviours. Study 3, therefore, provides a bridge between individual level cognitive mechanisms and possible environmental contexts that may contribute to the risk and maintenance of anxiety in young people. In Study 1, the relationships amongst anxiety, interpretation bias, and memory bias were investigated in children (M = 10.1 years, SD = 0.8). Children with higher levels of anxiety exhibit interpretation biases; a tendency to interpret ambiguous information in a negative manner. Moreover, interpretation biases are predicted to create negative memories for ambiguous information. In Study 1, 62 children heard ambiguous information about a novel animal and their interpretation and recall for this information was assessed. Interpretation bias was significantly associated with memory bias; children who interpreted the ambiguous information in a negative way also reported a greater number of negative memories for this information. Children with higher levels of anxiety also reported a greater number of negative memories. In Study 2 the relationship between interpretation bias and memory bias was investigated within an experimental paradigm, to understand whether there was evidence for a causal relationship between these cognitive biases. Children (M = 9.7 years, SD = 1.1) heard a series of ambiguous vignettes, and each vignette was followed by either a negative or a benign interpretation. Children were subsequently asked to recall the vignettes and children who had heard negative interpretations reported a greater number of negative memories. Children with higher levels of anxiety also reported a greater number of negative memories in their recall of the ambiguous vignettes. In Study 3, I investigated parental autonomy restriction and support in the context of parent-adolescent (M = 15.3 years, SD = 0.8) conversations, and their associations with anxiety, interpretation biases, and parental attributions. Higher levels of parental autonomy restriction may contribute to the risk and maintenance of anxiety in young people by signalling that the world is dangerous. Sixty-four mother-adolescent dyads were asked to discuss a recent conflict, and from this interaction maternal autonomy restriction and autonomy support were assessed. Adolescents with higher levels of anxiety and adolescents who exhibited interpretation biases to a greater extent, had mothers who demonstrated a greater amount of autonomy restriction within the conversations. Yet maternal variables were not significantly associated with either autonomy restriction or support. The results support predictions that these characteristics of young people may determine the extent of autonomy restriction parents engage in. In turn, autonomy restrictive parenting behaviours potentially play a role in the risk and maintenance of cognitive biases and anxiety. Overall this thesis contributes to an understanding of the complex and multiple relationships amongst factors that may be involved in the aetiology and perpetuation of anxiety in young people.</p>

Understanding mechanisms that may underlie the development and maintenance of anxiety in children and adolescents: Cognitive biases and parenting behaviours

<p>Anxiety is one of the most common forms of psychopathology in children and adolescents. Understanding the mechanisms that underlie the development and maintenance of this disorder is therefore critical. A variety of factors that interact with one another are likely to contribute to the risk and perpetuation of anxiety in young people. Moreover, risk and maintaining factors can occur at both an individual and environmental level. Cognitive biases are one such factor occurring at an individual level that are investigated in Study 1 and Study 2 of this thesis. Cognitive biases are also predicted to have associations with particular kinds of parenting behaviours, and Study 3 investigated these parenting behaviours. Study 3, therefore, provides a bridge between individual level cognitive mechanisms and possible environmental contexts that may contribute to the risk and maintenance of anxiety in young people. In Study 1, the relationships amongst anxiety, interpretation bias, and memory bias were investigated in children (M = 10.1 years, SD = 0.8). Children with higher levels of anxiety exhibit interpretation biases; a tendency to interpret ambiguous information in a negative manner. Moreover, interpretation biases are predicted to create negative memories for ambiguous information. In Study 1, 62 children heard ambiguous information about a novel animal and their interpretation and recall for this information was assessed. Interpretation bias was significantly associated with memory bias; children who interpreted the ambiguous information in a negative way also reported a greater number of negative memories for this information. Children with higher levels of anxiety also reported a greater number of negative memories. In Study 2 the relationship between interpretation bias and memory bias was investigated within an experimental paradigm, to understand whether there was evidence for a causal relationship between these cognitive biases. Children (M = 9.7 years, SD = 1.1) heard a series of ambiguous vignettes, and each vignette was followed by either a negative or a benign interpretation. Children were subsequently asked to recall the vignettes and children who had heard negative interpretations reported a greater number of negative memories. Children with higher levels of anxiety also reported a greater number of negative memories in their recall of the ambiguous vignettes. In Study 3, I investigated parental autonomy restriction and support in the context of parent-adolescent (M = 15.3 years, SD = 0.8) conversations, and their associations with anxiety, interpretation biases, and parental attributions. Higher levels of parental autonomy restriction may contribute to the risk and maintenance of anxiety in young people by signalling that the world is dangerous. Sixty-four mother-adolescent dyads were asked to discuss a recent conflict, and from this interaction maternal autonomy restriction and autonomy support were assessed. Adolescents with higher levels of anxiety and adolescents who exhibited interpretation biases to a greater extent, had mothers who demonstrated a greater amount of autonomy restriction within the conversations. Yet maternal variables were not significantly associated with either autonomy restriction or support. The results support predictions that these characteristics of young people may determine the extent of autonomy restriction parents engage in. In turn, autonomy restrictive parenting behaviours potentially play a role in the risk and maintenance of cognitive biases and anxiety. Overall this thesis contributes to an understanding of the complex and multiple relationships amongst factors that may be involved in the aetiology and perpetuation of anxiety in young people.</p>

Interpretation Bias in Breast Cancer Survivors Experiencing Fear of Cancer Recurrence

Introduction: Fear of cancer recurrence (FCR) is a prevalent and persistent challenge that many cancer survivors endure. While the role of interpretation bias, a tendency to perceive ambiguous situations as threatening, has been established in the onset and maintenance of FCR, few studies have examined cancer-related interpretation bias specifically. Grounded in the cognitive formulation of FCR, the current study aimed to fill this gap by investigating the relationship between cancer-related interpretation bias, FCR, and somatic symptoms, and examining whether bias mediates the relationship between somatic symptoms and FCR.Materials and Methods: This study used baseline data from a randomized controlled trial of a cognitive bias modification intervention. Breast cancer survivors (n = 110) provided demographic and medical background information as well as self-report measures of FCR and severity of somatic symptoms. A computer-based assessment of interpretation bias was used to measure cancer-related interpretation bias on several bias indices: percentage of cancer-related threat endorsement, and percentage of benign endorsement; mean reaction time (RT) for threat, and mean RT for benign endorsement.Results: Higher threat endorsement was linked to higher Overall Fear and emerged as a mediator of the relationship between overall somatic symptoms and Overall Fear. We also found that older age was related to longer benign endorsement RT.Conclusion: This study contributes understanding of factors related to cancer-related interpretation bias and provides evidence that bias may influence the relationship between somatic symptoms and FCR in cancer survivors.

A Signal Detection Approach to the Perception of Affective Prosody in Anxious Individuals: A Developmental Study

<p>The present study used a Signal Detection approach to the study of prosody perception in children and adults who self-reported high levels of anxiety. Seventy-one children aged eight and nine years, and 85 adults listened to filtered speech and were required to discriminate angry, fearful and happy tones of voice. Anxiety levels were not associated with perception of affective prosody in adults. Levels of anxiety were related to children's criterion but not sensitivity to prosody. Highly anxious children were significantly more liberal in reporting fearful prosody compared to low anxious children. Analyses of total responses suggest that this criterion is reflective of an interpretation bias as opposed to a response bias. Given that the interpretation bias was observed in children and not adults, it is possible that the bias may mark a vulnerability to develop further anxiety. This is consistent with previous experimental findings in other modalities as well as integrative models of anxiety development that identify such cognitive biases as predisposing factors. Furthermore, regardless of anxiety level, children were comparable to adults in their accuracy for fearful prosody, yet were significantly poorer than adults in their accuracy for angry and happy prosody. This suggests that fear may be one of the first emotions children learn to identify.</p>

A Signal Detection Approach to the Perception of Affective Prosody in Anxious Individuals: A Developmental Study

<p>The present study used a Signal Detection approach to the study of prosody perception in children and adults who self-reported high levels of anxiety. Seventy-one children aged eight and nine years, and 85 adults listened to filtered speech and were required to discriminate angry, fearful and happy tones of voice. Anxiety levels were not associated with perception of affective prosody in adults. Levels of anxiety were related to children's criterion but not sensitivity to prosody. Highly anxious children were significantly more liberal in reporting fearful prosody compared to low anxious children. Analyses of total responses suggest that this criterion is reflective of an interpretation bias as opposed to a response bias. Given that the interpretation bias was observed in children and not adults, it is possible that the bias may mark a vulnerability to develop further anxiety. This is consistent with previous experimental findings in other modalities as well as integrative models of anxiety development that identify such cognitive biases as predisposing factors. Furthermore, regardless of anxiety level, children were comparable to adults in their accuracy for fearful prosody, yet were significantly poorer than adults in their accuracy for angry and happy prosody. This suggests that fear may be one of the first emotions children learn to identify.</p>