Individual differences in working memory capacity modulate electrophysiological correlates of semantic negative priming from single words
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Megías, Montserrat; Ortells Rodríguez, Juan José; Carmona Lorente, Isabel María; Noguera Cuenca, María Del Carmen; Kiefer, MarkusFecha
2021-11-18Resumen
In the present study, event-related potentials (ERPs) were registered during a semantic negative priming (NP) task in participants with higher and lower working memory capacity (WMC). On each trial participants had to actively ignore a briefly presented single prime word, which was followed either immediately or after a delay by a mask. Thereafter, either a semantically related or an unrelated target word was presented, to which participants made a semantic categorization judgment. The ignored prime produced a behavioral semantic NP in delayed (but not in immediate) masking trials, and only for participants with a higher-WMC. Both masking type and WMC also modulated ERP priming effects. When the ignored prime was immediately followed by a mask (which impeded its conscious identification) a reliable N400 modulation was found irrespective of participants’ WMC. However, when the mask onset following the prime was delayed (thus allowing its conscious identification), an attenuation of a late ...
Palabra/s clave
Individual differences in working memory capacity
Semantic negative priming
Event-related potentials
N400 ERP component
Late positive complex