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Several studies have observed heightened Pavlovian fear conditioning in PTSD. However, it is unclear how fear conditioning in PTSD is related to risk factors for the disorder, such as anxiety sensitivity. Fifty-one combat-exposed veterans (20 with PTSD, 31 without PTSD) completed a differential fear conditioning task in which one colored rectangle (CS+) predicted a loud scream (US), whereas a different colored rectangle (CS-) predicted no US. Veterans with PTSD were characterized by greater anxiety to the CS+ but not the CS- during acquisition and extinction, and greater US expectancy during the CS+ but not the CS- at extinction. Also, veterans with PTSD had greater pupil dilation to both CSs at extinction, but not at acquisition. Anxiety sensitivity was correlated with anxiety and US expectancy in response to the CS+, but not the CS-, at both acquisition and extinction, and also with pupil diameter to both the CS+ and CS- at extinction. Nearly all of these relations held when covarying for PTSD symptoms and trait anxiety. These findings suggest that increased fear conditioning in PTSD may be related to elevated anxiety sensitivity.Aggressive behavior is prevalent among veterans of post-9/11 conflicts who have posttraumatic stress disorder (PTSD). However, little is known about whether PTSD treatments reduce aggression or the direction of the association between changes in PTSD symptoms and aggression in the context of PTSD treatment. We combined data from three clinical trials of evidence-based PTSD treatment in service members (N = 592) to (1) examine whether PTSD treatment reduces psychological (e.g., verbal behavior) and physical aggression, and; (2) explore temporal associations between aggressive behavior and PTSD. Both psychological (Estimate = -2.20, SE = 0.07) and physical aggression (Estimate = -0.36, SE = 0.05) were significantly reduced from baseline to posttreatment follow-up. Lagged PTSD symptom reduction was not associated with reduced reports of aggression; however, higher baseline PTSD scores were significantly associated with greater reductions in psychological aggression (exclusively; ß = -0.67, 95% CI = -1.05, -0.30, SE = -3.49). Findings reveal that service members receiving PTSD treatment report substantial collateral changes in psychological aggression over time, particularly for participants with greater PTSD symptom severity. Clinicians should consider cotherapies or alternative ways of targeting physical aggression among service members with PTSD and alternative approaches to reduce psychological aggression among service members with relatively low PTSD symptom severity when considering evidence-based PTSD treatments.Psychophysiological theories postulate respiratory dysregulation as a mechanism contributing to panic disorder (PD). Additionally, symptomatic and respiratory recovery from voluntary hyperventilation (HVT-recovery) have been shown to lag in PD and it is unclear if HVT-recovery normalizes with treatment. Thirty-seven panic disorder patients were randomized to hypoventilation therapy (TX, n = 20) or waitlist control (WL, n = 17) (Meuret et al., 2008). In a secondary analysis, their HVT-recovery was analyzed at pre- and post-TX/WL, compared to 29 healthy controls (HC). HVT included three phases 5-min baseline, 3-min hyperventilation, and 8-min recovery. HVT-elicited symptom severity and anxiety were rated following each phase, and end-tidal PCO2 and respiratory rate (RR) were recorded throughout. https://www.selleckchem.com/products/ml792.html Treatment, compared to WL, was highly effective in reducing PD pathology (d=2.21, Meuret et al., 2008). At pre-TX/WL, PD demonstrated delayed HVT-recovery PCO2 and higher RR. Treated patients demonstrated normalization of HVT-recovery for PCO2 and RR; however, improvements of HVT-recovery for symptom severity and anxiety did not differ between TX and WL. Results replicate pretreatment HVT respiratory recovery abnormalities in PD and further demonstrate normalization, comparable to HC, following successful treatment. The results provide support for respiratory dysregulation as a feature of PD and demonstrate the utility of HVT respiratory recovery as treatment outcome measure for respiration-based PD therapy.There is accumulating evidence for the efficacy of online parent management training (PMT) programs to improve conduct problems in young children, and findings have been used to support the potential of online programs to close the research-to-practice gap in underserved rural settings. However, to date, no study has evaluated the effectiveness of online PMT under real-world conditions; that is, delivered by community practitioners as part of services-as-usual to families residing in rural communities. This has resulted in a critical lack of evidence supporting the capacity of online PMT to ameliorate actual geographical disparities in service accessibility. Accordingly, the current study evaluated effectiveness and engagement outcomes of Internet-delivered Parent-Child Interaction Therapy (I-PCIT) delivered from a community-based early childhood clinic to rural consumers. Participants were 27 mothers and their 1.5- to 4-year-old child with conduct problems (M age = 3.02, SD = 0.73) living in regional and rural New South Wales, Australia. Parent-rated and observed child conduct problems and observed parenting behaviors were assessed pre and post I-PCIT, and treatment attrition, parental satisfaction with treatment, and homework compliance provided indicators of treatment engagement. Results of linear mixed and marginal models indicated that I-PCIT produced significant improvements in parent-reported and observed child conduct problems and observed parenting behaviors, with "small" to "very large" effect sizes (ds = 0.3-1.4). Treatment retention was adequate (63%), and treatment-completing parents reported high treatment satisfaction and good homework compliance. Findings provide preliminary evidence for the real world effectiveness of I-PCIT, supporting its capacity to narrow the research-to-practice gap. Findings suggest a role for I-PCIT in a stepped care model of remote treatment for childhood conduct problems in Australia.
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