Search Results - "ULLSPERGER, Markus"

Neurophysiology of performance monitoring and adaptive behavior by Ullsperger, Markus, Danielmeier, Claudia, Jocham, Gerhard

“…Successful goal-directed behavior requires not only correct action selection, planning, and execution but also the ability to flexibly adapt behavior when…”
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Specificity of performance monitoring changes in obsessive-compulsive disorder by Endrass, Tanja, Ullsperger, Markus

“…Obsessive-compulsive disorder (OCD) is characterized by overactivity in frontal and striatal brain regions, and event-related potential studies have shown…”
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An Update on the Role of Serotonin and its Interplay with Dopamine for Reward by Fischer, Adrian G, Ullsperger, Markus

“…The specific role of serotonin and its interplay with dopamine (DA) in adaptive, reward guided behavior as well as drug dependance, still remains elusive…”
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Neural mechanisms and temporal dynamics of performance monitoring by Ullsperger, Markus, Fischer, Adrian G, Nigbur, Roland, Endrass, Tanja

“…Highlights • Uniform sequence of EEG activity at all stages of performance monitoring (PM) • PM signals reflect weighted signed and unsigned prediction errors…”
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Conflict- and error-related theta activities are coupled to BOLD signals in different brain regions by Beldzik, Ewa, Ullsperger, Markus, Domagalik, Aleksandra, Marek, Tadeusz

“…Both conflict and error processing have been linked to the midfrontal theta power (4–8 Hz) increase as indicated by EEG studies and greater hemodynamic…”
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Real and Fictive Outcomes Are Processed Differently but Converge on a Common Adaptive Mechanism by Fischer, Adrian G., Ullsperger, Markus

“…The ability to learn not only from experienced but also from merely fictive outcomes without direct rewarding or punishing consequences should improve learning…”
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Genetic association studies of performance monitoring and learning from feedback: The role of dopamine and serotonin by Ullsperger, Markus

“…Performance monitoring is essential for optimization of action outcomes. Research consistently implicates the posterior medial frontal cortex, particularly the…”
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Imprecise learning and uncertainty by Ullsperger, Markus

“…A study in Nature Human Behaviour proposes a biologically plausible algorithm producing near-optimal behaviour in uncertain and volatile environments through…”
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Motor cortical signals reflecting decision making and action preparation by Rogge, Julia, Jocham, Gerhard, Ullsperger, Markus

“…Decision making often requires accumulating evidence in favour of a particular option. When choices are expressed with a motor response, these actions are…”
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Social comparison impacts stimulus evaluation in a competitive social learning task by Burnside, Rebecca, Ullsperger, Markus

“…When we perform an action, the outcome that follows it can change the value we place on that behaviour, making it more or less likely to be repeated in the…”
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Learning relative values in the striatum induces violations of normative decision making by Klein, Tilmann A., Ullsperger, Markus, Jocham, Gerhard

“…To decide optimally between available options, organisms need to learn the values associated with these options. Reinforcement learning models offer a powerful…”
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Dopamine-mediated reinforcement learning signals in the striatum and ventromedial prefrontal cortex underlie value-based choices by Jocham, Gerhard, Klein, Tilmann A, Ullsperger, Markus

“…A large body of evidence exists on the role of dopamine in reinforcement learning. Less is known about how dopamine shapes the relative impact of positive and…”
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Error awareness and the insula: links to neurological and psychiatric diseases by Klein, Tilmann A, Ullsperger, Markus, Danielmeier, Claudia

“…Becoming aware of errors that one has committed might be crucial for strategic behavioral and neuronal adjustments to avoid similar errors in the future. This…”
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Feedback-related EEG dynamics separately reflect decision parameters, biases, and future choices by Kirschner, Hans, Fischer, Adrian G., Ullsperger, Markus

“…•We examined how task-irrelevant information biases our decisions.•Task-irrelevant information biases learning and behaviour despite explicit knowledge of its…”
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Posterior medial frontal cortex activity predicts post-error adaptations in task-related visual and motor areas by Danielmeier, Claudia, Eichele, Tom, Forstmann, Birte U, Tittgemeyer, Marc, Ullsperger, Markus

“…As Seneca the Younger put it, "To err is human, but to persist is diabolical." To prevent repetition of errors, human performance monitoring often triggers…”
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Performance monitoring in the medial frontal cortex and related neural networks: From monitoring self actions to understanding others’ actions by Ninomiya, Taihei, Noritake, Atsushi, Ullsperger, Markus, Isoda, Masaki

“…•The way in which MFC is involved in performance monitoring is reviewed.•The MFC’s role in performance monitoring ranges from nonsocial to social…”
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Neural and behavioral traces of error awareness by Kirschner, Hans, Humann, Jil, Derrfuss, Jan, Danielmeier, Claudia, Ullsperger, Markus

“…Monitoring for errors and behavioral adjustments after errors are essential for daily life. A question that has not been addressed systematically yet, is…”
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Cortical beta power reflects decision dynamics and uncovers multiple facets of post-error adaptation by Fischer, Adrian G., Nigbur, Roland, Klein, Tilmann A., Danielmeier, Claudia, Ullsperger, Markus

“…Adapting to errors quickly is essential for survival. Reaction slowing after errors is commonly observed but whether this slowing is adaptive or maladaptive is…”
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Dissociable medial frontal negativities from a common monitoring system for self- and externally caused failure of goal achievement by Gentsch, Antje, Ullsperger, Peter, Ullsperger, Markus

“…Goal-directed behavior requires the ability to adapt performance strategies based on the attribution of unintended outcomes to internal or external causes…”
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Surprise and error: common neuronal architecture for the processing of errors and novelty by Wessel, Jan R, Danielmeier, Claudia, Morton, J Bruce, Ullsperger, Markus

“…According to recent accounts, the processing of errors and generally infrequent, surprising (novel) events share a common neuroanatomical substrate. Direct…”
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