User profiles for T. Katthagen
Teresa KatthagenDepartment of Psychiatry and Psychotherapy, Charité Campus Mitte, Charité … Verified email at charite.de Cited by 547 |
[HTML][HTML] Belief updating in psychosis, depression and anxiety disorders: A systematic review across computational modelling approaches
T Gibbs-Dean, T Katthagen, I Tsenkova, R Ali… - Neuroscience & …, 2023 - Elsevier
Alterations in belief updating are proposed to underpin symptoms of psychiatric illness,
including psychosis, depression, and anxiety. Key parameters underlying belief updating can be …
including psychosis, depression, and anxiety. Key parameters underlying belief updating can be …
[HTML][HTML] Models of dynamic belief updating in psychosis—a review across different computational approaches
… In other words, one infers whether the given input (X t ) was generated by the previously
learned Gaussian distribution given the current belief and noise [N(X t |Belief t , Noise)] or, in …
learned Gaussian distribution given the current belief and noise [N(X t |Belief t , Noise)] or, in …
Aberrant salience is related to dysfunctional self-referential processing in psychosis
A Pankow, T Katthagen, S Diner, L Deserno… - Schizophrenia …, 2016 - academic.oup.com
Background. A dysfunctional differentiation between self-relevant and irrelevant information
may affect the perception of environmental stimuli as abnormally salient. The aberrant …
may affect the perception of environmental stimuli as abnormally salient. The aberrant …
[HTML][HTML] Precision weighting of cortical unsigned prediction error signals benefits learning, is mediated by dopamine, and is impaired in psychosis
…, H Ziauddeen, TJ Spencer, C Miller, T Katthagen… - Molecular …, 2021 - nature.com
… Our findings are consistent with those of Katthagen et al. [39], who used reaction time data
(rather than choice data) from a human fMRI reversal learning study to derive a relevance-…
(rather than choice data) from a human fMRI reversal learning study to derive a relevance-…
Striatal dopamine and reward prediction error signaling in unmedicated schizophrenia patients
Increased striatal dopamine synthesis capacity has consistently been reported in patients
with schizophrenia. However, the mechanism translating this into behavior and symptoms …
with schizophrenia. However, the mechanism translating this into behavior and symptoms …
Volatility estimates increase choice switching and relate to prefrontal activity in schizophrenia
… Parameters of the winning model were compared between groups using t test or the
nonparametric Mann-Whitney U test if assumptions of normality were violated (Kolmogorov-Smirnov …
nonparametric Mann-Whitney U test if assumptions of normality were violated (Kolmogorov-Smirnov …
Aberrant salience is related to reduced reinforcement learning signals and elevated dopamine synthesis capacity in healthy adults
…, L Deserno, T Gleich, T Katthagen… - Journal of …, 2015 - Soc Neuroscience
… R t and the expected outcome Q a,t for the chosen stimulus: Embedded Image R t denotes
two separate free parameters: for rewarded and punished trials. Instead of setting R t for …
two separate free parameters: for rewarded and punished trials. Instead of setting R t for …
Glutamate in the dorsolateral prefrontal cortex in patients with schizophrenia: a meta-analysis of 1H-magnetic resonance spectroscopy studies
…, L Mascarell-Maricic, Y Fukuda, T Katthagen… - Biological …, 2021 - Elsevier
… a , Yu Fukuda a , Teresa Katthagen a , Andreas Heinz a c , Florian Schlagenhauf a b c d …
(51) revealed no significant source of bias (t = 1.63, p = .13) (see Figure S5). The trim-and-…
(51) revealed no significant source of bias (t = 1.63, p = .13) (see Figure S5). The trim-and-…
Association of cortical glutamate and working memory activation in patients with schizophrenia: A multimodal proton magnetic resonance spectroscopy and functional …
J Kaminski, T Gleich, Y Fukuda, T Katthagen… - Biological …, 2020 - Elsevier
… For post hoc comparisons, we performed t tests applying Bonferroni correction for multiple
… We report group differences for post hoc t tests and performed Bonferroni correction for the …
… We report group differences for post hoc t tests and performed Bonferroni correction for the …
[HTML][HTML] Modeling subjective relevance in schizophrenia and its relation to aberrant salience
In schizophrenia, increased aberrant salience to irrelevant events and reduced learning of
relevant information may relate to an underlying deficit in relevance detection. So far, …
relevant information may relate to an underlying deficit in relevance detection. So far, …