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Anika Sierk

Researcher at Charité

Publications -  20
Citations -  225

Anika Sierk is an academic researcher from Charité. The author has contributed to research in topics: Medicine & Dissociation (chemistry). The author has an hindex of 5, co-authored 13 publications receiving 94 citations. Previous affiliations of Anika Sierk include University Medical Center Groningen & University College London.

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Altered white matter microstructural organization in posttraumatic stress disorder across 3047 adults: results from the PGC-ENIGMA PTSD consortium

Emily L. Dennis, +141 more
- 01 Aug 2021 - 
TL;DR: The results show that PTSD may be associated with alterations in the broader hippocampal network, and associations between PTSD and disrupted white matter organization measured by lower fractional anisotropy in the tapetum region of the corpus callosum.
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Cortical volume abnormalities in posttraumatic stress disorder: an ENIGMA-psychiatric genomics consortium PTSD workgroup mega-analysis.

Xin Wang, +121 more
- 01 Aug 2021 - 
TL;DR: It is indicated that cortical volumes in PTSD patients are smaller in prefrontal regulatory regions, as well as in broader emotion and sensory processing cortical regions.
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Interaction of temporal and ordinal representations in movement sequences.

TL;DR: The results confirm the presence of an independent representation of temporal structure and advocate a nonlinear multiplicative neural interaction of temporal and ordinal signals in the production of movements.
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White matter network alterations in patients with depersonalization/derealization disorder

TL;DR: In patients with DPD, the structural connectivity between brain regions crucial for multimodal integration and emotion regulation may be altered and a trend for 1 subnetwork is found that may support the model of frontolimbic dysbalance suggested to underlie DPD symptomatology.
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Does trauma-focused psychotherapy change the brain? A systematic review of neural correlates of therapeutic gains in PTSD

TL;DR: In this paper, a meta-analytic results indicate that posttraumatic stress disorder (PTSD) is associated with hypoactivation of the medial prefrontal cortex (mPFC), hyper activation of the amygdala, and volume reductions of the hippocampus.