Alexander Karner
A5053910357- Statistics Education and Methodologies
- Neural and Behavioral Psychology Studies
- Mathematics Education and Pedagogy
- Functional Brain Connectivity Studies
- Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
- Mathematics Education and Programs
- Animal and Plant Science Education
- Heart Rate Variability and Autonomic Control
- Olfactory and Sensory Function Studies
- Neural dynamics and brain function
- Neurobiology of Language and Bilingualism
- Entomological Studies and Ecology
- Insect and Pesticide Research
- Education, Achievement, and Giftedness
- Gastric Cancer Management and Outcomes
- Educational Strategies and Epistemologies
- Child and Animal Learning Development
- Child and Adolescent Psychosocial and Emotional Development
- Behavioral Health and Interventions
- Sleep and related disorders
- Psychology of Moral and Emotional Judgment
- Vitamin D Research Studies
- Psychological and Temporal Perspectives Research
- Bullying, Victimization, and Aggression
- Neuroendocrine Tumor Research Advances
University of Vienna
2021-2025
University of Zurich
2022-2023
University Hospital of Zurich
2023
Comprehensive Cancer Center Vienna
2020
Medical University of Vienna
2020
Frauenklinik Heidelberg
2008
Universitäts Frauenklinik
2008
Abstract Neuroimaging has greatly improved our understanding of phobic mechanisms. To expand on these advancements, we present data the heterogeneity neural patterns in spider phobia combined with various psychological dimensions phobia, using spider-relevant stimuli intensities. Specifically, have created a database which 49 spider-fearful individuals viewed 225 images fMRI scanner and performed behavioral avoidance tasks before after scan. For each participant, consists neuroimaging part,...
Neuroimaging has greatly improved our understanding of phobic mechanisms. To expand on these advancements, we present data the heterogeneity neural patterns in spider phobia combined with various psychological dimensions phobia, using spider-relevant stimuli intensities. Specifically, have created a database which 49 spider-fearful individuals viewed 225 images fMRI scanner and performed behavioral avoidance tasks before after scan. For each participant, consists neuroimaging part, includes...
Resting-state functional connectivity has generated great hopes as a potential brain biomarker for improving prevention, diagnosis, and treatment in psychiatry. This neuroimaging protocol can routinely be performed by patients does not depend on the specificities of task. Thus, it seems ideal big data approaches that require aggregating across multiple studies sites. However, technical variability, diverging analysis approaches, differences acquisition protocols introduce heterogeneity to...
The "SpiDa" dataset: self-report questionnaires and ratings of spider images from spider-fearful individuals
Immunotherapy with check-point inhibitors serves as a promising treatment strategy in patients upper gastrointestinal (GI) tumors. Human epidermal growth factor receptor 2 (HER2) is the only identified therapeutic target GI tumors, whose potential interaction programmed death-ligand 1 (PD-L1) unknown. The aim of this study was investigation PD-L1 and HER2 We retrospectively positive gastroesophageal cancers matched them negative group. investigated tumor specimens for status expression,...
Abstract Neurofeedback allows for the self-regulation of brain circuits implicated in specific maladaptive behaviors, leading to persistent changes activity and connectivity. Positive-social emotion regulation neurofeedback enhances capabilities, which is critical reducing severity various psychiatric disorders. Training dorsomedial prefrontal cortex (dmPFC) exert a top-down influence on bilateral amygdala during positive-social progressively (linearly) modulates connectivity within trained...
This large, international dataset contains survey responses from N = 12,570 students 100 universities in 35 countries, collected 21 languages. We measured anxieties (statistics, mathematics, test, trait, social interaction, performance, creativity, intolerance of uncertainty, and fear negative evaluation), self-efficacy, persistence, the cognitive reflection demographics, previous mathematics grades, self-reported official statistics module details. Data reuse potential is broad, including...
Spiders are among the most diverse and evolutionarily successful taxa in animal kingdom. Nevertheless, their popularity with humans is low, arachnophobia, which characterized by an intense irrational fear of spiders, one common specific phobias. While it clear that spiders generally evoke aversive responses humans, a highly understudied question visual attributes trigger these emotions. Here, we categorized set 313 images showing spider-related content according to variety attributes,...
Abstract Background The clinical behaviour and outcome of young patients with gastroesophageal tumours (GET) is surmised to differ from older patients, yet data on the comparison these two patient subgroups scarce. This study focuses investigation characteristics survival younger-age people GET, when compared patients. Methods Patients diagnosed GET at Medical University Vienna between 2004 2016 were included in this study. Clinical parameters overall (OS) (≤ 45 years) elderly (≥ 65 Results...
Exposure therapy is an established treatment for anxiety disorders but the mechanisms underpinning its effectiveness remain unclear. Two theories offer contrasting perspectives: traditional habituation model posits that a form of stimulus desensitization required during exposure, while inhibitory learning emphasizes formation new non-fearful associations. Crucially, former may manifest as amygdala habituation, latter not. To distinguish between two models, this study uses functional magnetic...
The SpiderPhy database is a dataset of physiological, psychometric, and behavioral data from subclinical spider fearful individuals (N=54) who underwent exposure to stimuli. physiological comprises electrocardiograms, electrodermal activity, respiration patterns, oculometry including gaze position pupil size. After each spider-exposure trial, the stimulus was rated on 0-100 scale how much fear evoked. Demographical data, pre-post assessment phobic symptoms, state exhaustion, or experience...
Spider phobia is one of the most common specific phobias and can be highly detrimental to one’s quality life. To evaluate efficacy treatments, reliable pre- post-treatment assessments are needed. Behavioral avoidance tests (BATs), where asked approach a spider, commonly used as such measures. With increasing popularity computerized interventions, there demand for quick fear spiders, that completed using computers or smartphones. Here, we tested validity novel BAT (cBAT) introduced in our...
<p>This large, international dataset contains survey responses from N = 12,570 students 100 universities in 35 countries, collected 21 languages. We measured anxieties (statistics, mathematics, test, trait, social interaction, performance, creativity, intolerance of uncertainty, and fear negative evaluation), self-efficacy, persistence, the cognitive reflection demographics, previous mathematics grades, self-reported official statistics module details. Data reuse potential is broad,...
<p>This large, international dataset contains survey responses from N = 12,570 students 100 universities in 35 countries, collected 21 languages. We measured anxieties (statistics, mathematics, test, trait, social interaction, performance, creativity, intolerance of uncertainty, and fear negative evaluation), self-efficacy, persistence, the cognitive reflection demographics, previous mathematics grades, self-reported official statistics module details. Data reuse potential is broad,...
Serum calcium determination of 11,588 hospitalized patients during a twelve-month period revealed hypercalcaemia in 74 (0.64%). Further clinical and biochemical investigation established primary hyperparathyroidism 20 them (27%), 15 (20%) malignant tumour (with bone metastases six) as the cause hypercalcaemia. Rarer causes were found 11 (15%): diuretic medication (5), lithium treatment (3), immobilization (2) or hyperthyroidism (1). In remaining 28 (38%) no could be with certainty. at least...
Exposure therapy is an established treatment for anxiety disorders but the mechanisms underpinning its effectiveness remain unclear. Two theories offer contrasting perspectives: traditional habituation model posits that a form of stimulus desensitization required during exposure, while inhibitory learning emphasizes formation new non-fearful associations. Crucially, former may manifest as amygdala habituation, latter not. To distinguish between two models, this study uses functional magnetic...
Seit einigen Jahren werden in einer zunehmenden Anzahl von Gewebetypen sogenannte cancer stem cells detektiert. Ihre Eigenschaften ähneln stark denen Stammzellen: Proliferation, Pluripotenz und Selbsterneuerung. In Brustdrüsengewebe sie charakterisiert durch die Zelloberflächenmarker CD44+/24-.
Abstract Resting-state functional connectivity has generated great hopes as a potential brain biomarker for improving prevention, diagnosis, and treatment in psychiatry. This neuroimaging protocol can routinely be performed by patients does not depend on the specificities of task. Thus, it seems ideal big data approaches that require aggregating across multiple studies sites. However, technical variability, diverging analysis approaches, differences acquisition protocols might introduce...
This large, international dataset contains survey responses from N = 12,570 students 100 universities in 35 countries, collected 21 languages. We measured anxieties (statistics, mathematics, test, trait, social interaction, performance, creativity, intolerance of uncertainty, and fear negative evaluation), self-efficacy, persistence, the cognitive reflection demographics, previous mathematics grades, self-reported official statistics module details. Data reuse potential is broad, including...
This large, international dataset contains survey responses from N = 12,570 students 100 universities in 35 countries, collected 21 languages. We measured anxieties (statistics, mathematics, test, trait, social interaction, performance, creativity, intolerance of uncertainty, and fear negative evaluation), self-efficacy, persistence, the cognitive reflection demographics, previous mathematics grades, self-reported official statistics module details. Data reuse potential is broad, including...