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The influence of object-location binding mental load effects on the visual N1 and N2 Event-related Potentials
Solwoong Song1, Jinsick Park1, Young Min Park1
1Department of Biomedical Engineering, Hanyang University, Seoul, Korea.
Objective:
This study aimed to analyze the effect of object-location binding on the visual working memory workload. For this study, thirty healthy subjects were recruited, and they performed the "What was where" task, which was modified to evaluated object-location binding memory. We analyzed their ERP and behavior response.
Results:
Object memory and location memory were preserved during the task, but binding memory decreased significantly when more than four objects were presented. These results indicate that the N1 amplitude is related to the object-only load effect, and the posterior N2 amplitude is a binding-dependent ERP component.
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