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Krauel, Kerstin; Duzel, Emrah; Hinrichs, Hermann; Lenz, Daniel; Herrmann, Christoph S.; Santel, Stephanie; Rellum, Thomas; Baving, Lioba – Neuropsychologia, 2009
The current study investigated the relevance of semantic processing and stimulus salience for memory performance in young ADHD patients and healthy control participants. 18 male ADHD patients and 15 healthy control children and adolescents participated in an ERP study during a visual memory paradigm with two different encoding tasks requiring…
Descriptors: Cues, Semantics, Attention Deficit Disorders, Hyperactivity
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Krebs, Ruth M.; Schott, Bjorn H.; Schutze, Hartmut; Duzel, Emrah – Neuropsychologia, 2009
We hypothesized that novel stimuli represent salient learning signals that can motivate "exploration" in search for potential rewards. In computational theories of reinforcement learning, this is referred to as the novelty "exploration bonus" for rewards. If true, stimulus novelty should enhance the reward anticipation signals in brain areas that…
Descriptors: Visual Stimuli, Recognition (Psychology), Rewards, Novelty (Stimulus Dimension)