Roel van Dooren

Roel van Dooren
Leiden University | LEI · Faculty of Social and Behavioural Sciences

Master of Science

About

6
Publications
41,346
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Introduction
PhD candidate at the Cognitive Psychology Unit, Leiden University (The Netherlands) under the supervision of Prof. Dr. Bernhard Hommel and Dr. Roberta Sellaro. Currently, my main focus lies on answering the questions whether and to what extent metacontrol states are situationally acquired, and how associated “natural” behavioral cues of persistence-biased versus flexibility-biased control policies can be identified and validated (e.g., pupil size, facial expressions, ECG). On the side, I'm an overly dedicated Pythonista.

Publications

Publications (6)
Article
Full-text available
The exploration-exploitation trade-off shows conceptual, functional, and neural analogies with the persistence-flexibility trade-off. We investigated whether mood, which is known to modulate the persistence-flexibility balance, would similarly affect the exploration-exploitation trade-off in a foraging task. More specifically, we tested whether int...
Article
Full-text available
Working memory (WM)-based decision making depends on a number of cognitive control processes that control the flow of information into and out of WM and ensure that only relevant information is held active in WM’s limited-capacity store. Although necessary for successful decision making, recent work has shown that these control processes impose per...
Article
The olfactory system provides us with rich information about the world, but the odours around us are not always detectable. Previous research has shown that disgust enhances olfactory sensitivity to n-butanol. Because n-butanol incidentally is mildly negative, it is unclear whether disgust, being a negative, avoidant emotion, enhances sensitivity t...
Article
Full-text available
The mere perception of high-calorie food items can trigger strong action tendencies towards these foods. Go/no-go training has successfully been applied to reduce such action tendencies. This study investigated the electrophysiological mechanisms that may underlie the beneficial effects of go/no-go training on food consumption. EEG was measured whi...
Code
The program, developed in Python, creates Mondrian pattern images of size 600x600 pixels and saves them in the ”Images” folder. The images can be used to implement continuous flash suppression (Tsuchiya & Koch, 2005) for the study of preconscious processing/access to awareness. The program allows to choose between circles and squares, and between c...
Article
Full-text available
Reproducibility is a defining feature of science, but the extent to which it characterizes current research is unknown. We conducted replications of 100 experimental and correlational studies published in three psychology journals using high-powered designs and original materials when available. Replication effects were half the magnitude of origin...