Publications by authors named "Tetiana Nickelsen"

Background: Posttraumatic stress disorder (PTSD) has been associated with altered emotion processing and modulation in specific brain regions, i.e., the amygdala, insula, and medial prefrontal and anterior cingulate cortices.

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Past decades have witnessed substantial progress in understanding of neurobiological mechanisms that contribute to generation of various PTSD symptoms, including intrusive memories, physiological arousal and avoidance of trauma reminders. However, the neurobiology of anhedonia and emotional numbing in PTSD, that have been conceptualized as reward processing deficits - reward wanting (anticipation of reward) and reward liking (satisfaction with reward outcome), respectively, remains largely unexplored. Empirical evidence on reward processing in PTSD is rather limited, and no studies have examined association of reward processing abnormalities and neurocircuitry-based models of PTSD pathophysiology.

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We examined whether acceptability of nonabstinence treatment outcome goals varied as a function of a patient's severity of diagnosis (ICD-10 harmful use vs. dependence syndrome; World Health Organization, 1992), finality of outcome goal (intermediate vs. final), and type of substance (e.

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