Search Results - "KOLASSA, Stephan"

Posttraumatic stress disorder is associated with an enhanced spontaneous production of pro-inflammatory cytokines by peripheral blood mononuclear cells by Gola, Hannah, Engler, Harald, Sommershof, Annette, Adenauer, Hannah, Kolassa, Stephan, Schedlowski, Manfred, Groettrup, Marcus, Elbert, Thomas, Kolassa, Iris-Tatjana

“…Posttraumatic stress disorder (PTSD) is associated with an enhanced risk for cardiovascular and other inflammatory diseases. Chronic low-level inflammation has…”
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The Risk of Posttraumatic Stress Disorder After Trauma Depends on Traumatic Load and the Catechol-O-Methyltransferase Val158Met Polymorphism by KOLASSA, Iris-Tatjana, KOLASSA, Stephan, ERTL, Verena, PAPASSOTIROPOULOS, Andreas, DE QUERVAIN, Dominique J.-F

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How to quantify exposure to traumatic stress? Reliability and predictive validity of measures for cumulative trauma exposure in a post-conflict population by Wilker, Sarah, Pfeiffer, Anett, Kolassa, Stephan, Koslowski, Daniela, Elbert, Thomas, Kolassa, Iris-Tatjana

“…While studies with survivors of single traumatic experiences highlight individual response variation following trauma, research from conflict regions shows…”
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Effects of psychotherapy on DNA strand break accumulation originating from traumatic stress by Morath, Julia, Moreno-Villanueva, Maria, Hamuni, Gilava, Kolassa, Stephan, Ruf-Leuschner, Martina, Schauer, Maggie, Elbert, Thomas, Bürkle, Alexander, Kolassa, Iris-Tatjana

“…Previous research reveals an association between traumatic stress and an increased risk for numerous diseases, including cancer. At the molecular level, stress…”
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Auditory Memory Decay as Reflected by a New Mismatch Negativity Score Is Associated with Episodic Memory in Older Adults at Risk of Dementia by Laptinskaya, Daria, Thurm, Franka, Küster, Olivia C, Fissler, Patrick, Schlee, Winfried, Kolassa, Stephan, von Arnim, Christine A F, Kolassa, Iris-Tatjana

“…The auditory mismatch negativity (MMN) is an event-related potential (ERP) peaking about 100-250 ms after the onset of a deviant tone in a sequence of…”
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Why the “best” point forecast depends on the error or accuracy measure by Kolassa, Stephan

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Sex differences in PTSD risk: evidence from post-conflict populations challenges the general assumption of increased vulnerability in females by Wilker, Sarah, Kolassa, Stephan, Ibrahim, Hawkar, Rajan, Vathsalan, Pfeiffer, Anett, Catani, Claudia, Kolassa, Iris-Tatjana

“…Background: Next to the dose-dependent effect of trauma load, female sex represents a well-established risk factor for PTSD. Exposure to particularly toxic…”
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Evaluating predictive count data distributions in retail sales forecasting by Kolassa, Stephan

“…Massive increases in computing power and new database architectures allow data to be stored and processed at finer and finer granularities, yielding count data…”
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Does trauma event type matter in the assessment of traumatic load? by Conrad, Daniela, Wilker, Sarah, Pfeiffer, Anett, Lingenfelder, Birke, Ebalu, Tracie, Lanzinger, Hartmut, Elbert, Thomas, Kolassa, Iris-Tatjana, Kolassa, Stephan

“…Background: The likelihood of developing Posttraumatic Stress Disorder (PTSD) depends on the interaction of individual risk factors and cumulative traumatic…”
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Do we want coherent hierarchical forecasts, or minimal MAPEs or MAEs? (We won’t get both!) by Kolassa, Stephan

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Commentary on the M5 forecasting competition by Kolassa, Stephan

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Retail forecasting: Research and practice by Fildes, Robert, Ma, Shaohui, Kolassa, Stephan

“…This paper reviews the research literature on forecasting retail demand. We begin by introducing the forecasting problems that retailers face, from the…”
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Changes in cortical slow wave activity in healthy aging by Leirer, Vera Maria, Wienbruch, Christian, Kolassa, Stephan, Schlee, Winfried, Elbert, Thomas, Kolassa, Iris-Tatjana

“…A number of studies have demonstrated enhanced slow wave activity associated with pathological brain function e.g. in stroke patients, schizophrenia,…”
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Combining exponential smoothing forecasts using Akaike weights by Kolassa, Stephan

“…Simple forecast combinations such as medians and trimmed or winsorized means are known to improve the accuracy of point forecasts, and Akaike’s Information…”
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Commentary on Retail Forecasting by Kolassa, Stephan

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Hippocampal activity during the transverse patterning task declines with cognitive competence but not with age by Leirer, Vera M, Wienbruch, Christian, Paul-Jordanov, Isabella, Kolassa, Stephan, Elbert, Thomas, Kolassa, Iris T

“…The hippocampus is a brain region that is particularly affected by age-related morphological changes. It is generally assumed that a loss in hippocampal volume…”
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Spider phobics more easily see a spider in morphed schematic pictures by Kolassa, Iris-Tatjana, Buchmann, Arlette, Lauche, Romy, Kolassa, Stephan, Partchev, Ivailo, Miltner, Wolfgang Hr, Musial, Frauke

“…Individuals with social phobia are more likely to misinterpret ambiguous social situations as more threatening, i.e. they show an interpretive bias. This study…”
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Post-script—Retail forecasting: Research and practice by Fildes, Robert, Kolassa, Stephan, Ma, Shaohui

“…This note updates the 2019 review article “Retail forecasting: Research and practice” in the context of the COVID-19 pandemic and the substantial new research…”
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Event-related potentials when identifying or color-naming threatening schematic stimuli in spider phobic and non-phobic individuals by Kolassa, Iris-Tatjana, Musial, Frauke, Kolassa, Stephan, Miltner, Wolfgang H R

“…Previous studies revealed increased parietal late positive potentials (LPPs) in response to spider pictures in spider phobic individuals. This study searched…”
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Supply chain forecasting: Theory, practice, their gap and the future by Syntetos, Aris A., Babai, Zied, Boylan, John E., Kolassa, Stephan, Nikolopoulos, Konstantinos

“…•The literature on supply chain forecasting is critically reviewed.•The process of involving the forecasting community towards that task is described.•Gaps…”
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