User profiles for T. Katthagen

Teresa Katthagen

Department 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 …

[HTML][HTML] Models of dynamic belief updating in psychosis—a review across different computational approaches

T Katthagen, S Fromm, L Wieland… - Frontiers in …, 2022 - frontiersin.org
… 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 …

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 …

[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-…

Striatal dopamine and reward prediction error signaling in unmedicated schizophrenia patients

T Katthagen, J Kaminski, A Heinz… - Schizophrenia …, 2020 - academic.oup.com
Increased striatal dopamine synthesis capacity has consistently been reported in patients
with schizophrenia. However, the mechanism translating this into behavior and symptoms …

Volatility estimates increase choice switching and relate to prefrontal activity in schizophrenia

L Deserno, R Boehme, C Mathys, T Katthagen… - Biological Psychiatry …, 2020 - Elsevier
… 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 …

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 …

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-…

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 …

[HTML][HTML] Modeling subjective relevance in schizophrenia and its relation to aberrant salience

T Katthagen, C Mathys, L Deserno… - PLoS computational …, 2018 - journals.plos.org
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, …