WebCognitive models of posttraumatic stress disorder (PTSD) propose that overgeneralized beliefs involving lack of control are important to development and maintenance of the disorder. In the absence of a strong evidence base regarding controllability in PTSD, we examined whether PTSD was associated with increased sensitivity to alterations in ... WebThis experimental design has revealed that controllability exerts important modulatory effects on both behavioral and physiological changes produced by exposure to a stressor. The existence of multiple forms of stress-induced analgesia (SIA) focuses attention on factors that determine which form occurs. Experimental work has tended to focus on the …

Stress-sensitive inference of task controllability - bioRxiv

WebReviews evidence on whether control reduces stress in humans. Individuals preferred instrumental control over an aversive event, preferred to administer it to themselves, and were less aroused when waiting for a controllable event. When groups without control had equal predictability, having control was still less arousing; as potential (but unexercised) … chris monroe columbus in

Neural effects of controllability as a key dimension of stress …

WebThe primary purpose of the present study was to increase our understanding of the roles of chronicity and controllability in the measurement of stress within the context of stress … WebApr 14, 2024 · Stress, pain, fatigue, autonomy, ... do not allow statements about therapeutic controllability. We need a paradigm shift in approaching the problem: chronic comorbid diseases are states of a multifactorial and complex system (the human) that is perturbed and pushed into a pathological, imbalanced state through the influence of multiple factors ... Two circles moved around on the screen in a smooth fashion. When they collided with each other, an unpleasant mild electric stressor was delivered together with an aversive sound. The algorithm to generate the motion of the circles generated approach and retreat periods of varying durations (2–9 s), but … See more One hundred and twenty-six participants (63 females, ages 18–30 years; average: 20.87, STD: 2.56) with normal or corrected-to-normal vision and no reported neurological or … See more Statistical analysis was performed with a two-level procedure: estimation of regression coefficients at the individual level, followed by group analysis. Participant-level estimation adopted a standard multiple … See more When a stressor was delivered, the screen turned white and a red dial appeared around the circles (Fig. 1c). Subjects in the controllable group … See more We focused on the following ROIs, which are shown in Fig. 2. Subcortically, we targeted the following regions: Amygdala (2 sectors), BST, PAG, and thalamus. Cortically, we … See more geoffrey wu