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Articles by Maria Waltmann
Relevance of Probabilistic Reversal Learning for Adolescent Drinking Trajectories
1 Introduction The capacity to adapt flexibly to environmental changes is a fundamental aspect of human behaviour that matures during adolescence—a period marked by impulsive and risky behaviours such as heavy alcohol use [1, 2]. We longitudinally investigated cognitive and behavioural adaptivity in adolescents aged 14 to 18 using a probabilistic reversal learning (PReL) task. Participants learned which of two stimuli were more likely to yield rewards, with these associations eventually reversing.
Decrease in decision noise from adolescence into adulthood mediates an increase in more sophisticated choice behaviors and performance gain
Loading metrics Open Access Peer-reviewed Research Article Citation: Scholz V, Waltmann M, Herzog N, Horstmann A, Deserno L (2024) Decrease in decision noise from adolescence into adulthood mediates an increase in more sophisticated choice behaviors and performance gain. PLoS Biol 22(11): e3002877. https://doi.org/10.1371/journal.pbio.3002877 Academic Editor: Matthew F. S.
Impaired updating of working memory representations in individuals with high BMI: evidence for dopaminergic mechanisms
Abstract Everyday life requires an adaptive balance between distraction-resistant maintenance of information and the flexibility to update this information when needed. These opposing mechanisms are proposed to be balanced through a working memory gating mechanism. Prior research indicates that obesity may elevate the risk of working memory deficits, yet the underlying mechanisms remain elusive. Dopaminergic abnormalities have emerged as a potential mediator.
Cortical Grey Matter Mediates Increases in Model-Based Control and Learning from Positive Feedback from Adolescence to Adulthood
Abstract Cognition and brain structure undergo significant maturation from adolescence into adulthood. Model-based (MB) control is known to increase across development, which is mediated by cognitive abilities. Here, we asked two questions unaddressed in previous developmental studies. First, what are the brain structural correlates of age-related increases in MB control? Second, how are age-related increases in MB control from adolescence to adulthood influenced by motivational context?
Cortical Grey Matter Mediates Increases in Model-Based Control and Learning from Positive Feedback from Adolescence to Adulthood
Abstract Externe IDs PubMed 36823039 Schlagworte adolescence, development, model-based control, punishment learning, reinforcement learning, reward learning
Cortical grey matter mediatesincreases in model-based control and learning from positive feedback from adolescence to adulthood
Abstract Cognition and brain structure undergo significant maturation from adolescence into adulthood. Model-based (MB) control is known to increase across development, which is mediated by cognitive abilities. Here, we asked two questions unaddressed in previous developmental studies: Firstly, what are the brain structural correlates of age-related increases in MB control? Secondly, how are age-related increases in MB control from adolescence to adulthood influenced by motivational context?
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