Dr. Anna Heuer erforscht, wie das visuelle Arbeitsgedächtnis räumliche und zeitliche Informationen nutzt, um sich an visuelle Details wie Farben zu merken. Ihr aktueller Fokus liegt darauf, wie vorhersehbare Bewegungen von Objekten und die zeitliche Abfolge von visuellen Ereignissen das Gedächtnis unterstützen – etwa indem das Gehirn die Position eines bewegten Objekts extrapoliert, auch wenn es kurzzeitig aus dem Blick verschwindet. Sie untersucht auch, wie Menschen gezielt Ablenkungen unterdrücken können, wenn sie vorher wissen, wo diese auftreten. Diese Erkenntnisse sind relevant für die Gestaltung von Benutzeroberflächen, Fahrerassistenzsystemen und Trainingsmethoden, wo es auf schnelle, zuverlässige visuelle Wahrnehmung und Gedächtnisleistung ankommt.
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Dr. rer. nat. Anna Heuer
HU-FIS-Profil ↗Förderer: DFG Sachbeihilfe Zeitraum: 05/2022 - 12/2025 Projektleitung: Prof. Dr. phil. Martin Rolfs, Dr. rer. nat. Anna Heuer
Förderer: DFG Sachbeihilfe Zeitraum: 01/2019 - 12/2021 Projektleitung: Prof. Dr. phil. Martin Rolfs, Dr. rer. nat. Anna Heuer
Förderer: DFG Eigene Stelle (Sachbeihilfe) Zeitraum: 09/2018 - 11/2021 Projektleitung: Dr. rer. nat. Anna Heuer, Prof. Dr. phil. Martin Rolfs
Visual Cognition · DOI
Perception is shaped by actions, which determine the allocation of selective attention across the visual field. Here, we review evidence that maintenance in visual working memory is similarly influenced by actions (eye or hand movements), planned and executed well after encoding: Representations that are relevant for an upcoming action – because they spatially correspond to the action goal or because they are defined along action-related feature dimensions – are automatically prioritised over action-irrelevant representations and held in a stable state. We summarise what is known about specific characteristics and mechanisms of selection-for-action in working memory, such as its temporal dynamics and spatial specificity, and delineate open questions. This newly-burgeoning area of research promotes a more functional perspective on visual working memory that emphasizes its role in action control.
Memory & Cognition · DOI
Journal of Behavioral Addictions
BACKGROUND AND AIMS: Attentional biases contribute to the maintenance of addictive behaviors. For the problematic use of online gaming - recognized as Internet Gaming Disorder (IGD) - first evidence points to a bias towards in-game stimuli. This study aimed to provide behavioral and electrophysiological evidence for a generalized bias towards computer-related stimuli, and to identify the specific attentional processes contributing to this bias: facilitated attention deployment, impaired disengagement or failed suppression. METHOD: Twenty participants with IGD and 23 casual gamers performed a visual search task with photographs of real-world objects. Either the target or a to-be-ignored distractor was addiction-relevant (computer-related), whereas all other items were addiction-irrelevant (related to cars or sport). Event-related potential components associated with facilitated attentional deployment to the target (NT), its post-selection processing (SPCN), and suppression of irrelevant information (PD) were analyzed. RESULTS: Unlike casual gamers, gamers with IGD exhibited prolonged reaction times and increased SPCN amplitudes for computer-related stimuli, reflecting their continued attentional processing. At the individual level, larger SPCN amplitudes were associated with longer delays in reaction time. DISCUSSION AND CONCLUSIONS: This pattern of results indicates that the disengagement of attention from computer-related stimuli is impaired in IGD. More generally, our findings demonstrate that conditioning processes occur in IGD, and thus open up new avenues for treatment.