Pioneering models of social anxiety disorder (SAD) underscored fear of negative evaluation (FNE) as central in the disorder's development. Additional cognitive predictors have since been identified, including fear of positive evaluation (FPE), anxiety sensitivity, and intolerance of uncertainty (IU), but rarely have these constructs been examined together. The present study concurrently examined the variance accounted for in SAD symptoms by these constructs. Participants meeting criteria for SAD (n = 197; 65% women) completed self-report measures online. FNE, FPE, anxiety sensitivity, and IU all accounted for unique variance in SAD symptoms. FPE accounted for variance comparable to FNE, and the cognitive dimension of anxiety sensitivity and the prospective dimension of IU accounted for comparable variance, though slightly less than that accounted for by FNE and FPE. The results support the theorized roles that these constructs play in the etiology of SAD and highlight both FNE and FPE as central foci in SAD treatment.
There is considerable research implicating posttraumatic stress disorder (PTSD) as a common reaction to intimate-partner violence (IPV; Golding, 1999). PTSD is categorized as a single disorder; however, there is significant heterogeneity in its symptom-presentation patterns (Dickstein, Suvak, Litz, & Adler, 2010). Researchers have posited underlying personality characteristics as potentiating different expressions of PTSD (Miller, Greif, & Smith, 2003). Specifically, a model with 3 personality subtypes (i.e., externalizing, internalizing, and simple) has been proposed to explain PTSD symptom-pattern heterogeneity (Miller, 2003; Miller & Resick, 2007). The current study tested the PTSD personality-subtype model in a sample of 129 women exposed to a range of IPV experiences. Temperament patterns of women reporting clinically significant PTSD symptoms replicated the 3 personality-subtype patterns found in previous investigations (i.e., an externalizing subtype group characterized by high negative emotionality and low disinhibition, an internalizing subtype group characterized by high negative emotionality and low positive emotionality, and a simple subtype group characterized by midrange scores across the temperament variables; Miller et al., 2003; Miller, Kaloupek, Dillon, & Keane, 2004; Miller & Resick, 2007). Differences between personality-subtype groups and women without clinically significant PTSD symptoms were found (p < .05), with women reporting personality patterns consistent with the internalizing and externalizing subtype groups exhibiting higher comorbid personality pathology and psychological difficulties. Implications are discussed for personality as a risk or resiliency factor in PTSD and as contributing to explaining PTSD symptom heterogeneity.
Fears of evaluation are central to defining social anxiety disorder (SAD); notwithstanding, evidence suggests that interpersonal distrust and perceived ineffectiveness are distinct constructs, prevalent among individuals with SAD. To date, no studies have assessed the independent contributions of interpersonal distrust and perceived ineffectiveness to SAD severity beyond fears of evaluation. In total 151 community-dwelling adults (80% women) with anxiety histories completed questionnaires as part of a larger study. Hierarchal regression analyses indicated that interpersonal distrust, but not perceived ineffectiveness, contributed significant amounts of variance to SAD severity after partitioning out variance from depressive symptoms and fear of negative and positive evaluation. Concertedly, findings suggest that although fears of evaluation are seminal to SAD severity, distrust of others may also uniquely exacerbate symptoms of social anxiety. Clinical and research implications are discussed herein.
We report on the case of middle-aged right-handed woman with central pontine myelinolysis (CPM) revealed by high resolution structural T2-weighted FLAIR MRI imaging. There was a general flattening of Wechsler Adult Intelligence Scale-Fourth Edition subtest scores which were 1 standard deviation below expected values. In contrast Wechsler Memory Scale -Fourth Edition visual and auditory memory scores remained within the normal range. Verbal working memory appeared mildly impaired while nonverbal working memory was not. Scores on the Advanced Clinical Solution's Social Perception battery were all in the normal range as were academic skills measured by the Wide Range Achievement Test-Fourth Edition. Performance was impaired on the Delis-Kaplan Executive Function System's counterpart of the TrailMaking Test: Part B. Similarly, on the Draw-A-Person Test there was a discrepancy in that our patient's standard score was 76 compared to her estimated premorbid FSIQ in the average range. She also displayed bilateral motor coordination slowing on the Finger Tapping task collectively suggesting damage to pontine motor tracts. The Minnesota Multiphasic Personality Inventory-Second Edition-Restructured Form profile was consistent with a diagnosis of severe anxiety and depression perhaps due to damage to serotoninergic neural tracts originating within the central pons. Finally, the patient displayed severe sleep disturbances and other signs of reticular activating formation injury. CPM may constitute a unique means of studying reversible subcortical lesions in the central pons in otherwise healthy subjects with benign illness. To our knowledge this is among the first patients with CPM without the usual risk factors for the disorder and who was otherwise healthy. Knowledge of the etiology and neuropsychology of such patients might aid in understanding the interaction of the fronto-ponto-cerebellar tracts in executive functions and motor programming.
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