Attentional modulation of object representations in working memory

Lepsien, Jöran; Nobre, Anna Christina

doi:10.1093/cercor/bhl116

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Attentional modulation of object representations in working memory

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Lepsien, Jöran
Methods and Development Unit Nuclear Magnetic Resonance, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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https://doi.org/10.1093/cercor/bhl116
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Citation

Lepsien, J., & Nobre, A. C. (2007). Attentional modulation of object representations in working memory. Cerebral Cortex, 17(9), 2072-2083. doi:10.1093/cercor/bhl116.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0010-9E9A-2

Abstract

We investigated the role of object-based attention in modulating the maintenance of faces and scenes held online in working memory (WM). Participants had to remember a face and a scene, while cues presented during the delay instructed them to orient their attention to one or the other item. Event-related functional magnetic resonance imaging revealed that orienting attention in WM modulated the activity in fusiform and parahippocampal gyri, involved in maintaining representations of faces and scenes respectively. Measures from complementary behavioral studies indicated that this increase in activity corresponded to improved WM performance. The results show that directed attention can modulate maintenance of specific representations in WM, and help define the interplay between the domains of attention and WM. © The Author 2006. Published by Oxford University Press.