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Cue validity and object-based attention.

He, X., Fan, S., Zhou, K. and Chen, L., 2004. Cue validity and object-based attention. Journal of Cognitive Neuroscience, 16 (6), 1085-1097.

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He et al., 2004, JoCN.pdf - Published Version


DOI: 10.1162/0898929041502689


In a previous study, Egly, Driver, and Rafal (1994) observed both space- and object-based components of visual selective attention. However, the mechanisms underlying these two components and the relationship between them are not well understood. In the present research, with a similar paradigm, these issues were addressed by manipulating cue validity. Behavioral results indicated the presence of both space- and object-based components under high cue validity, similar to the results of Egly et al.'s study. In addition, under low cue validity, the space-based component was absent, whereas the object-based component was maintained. Further event-related potential results demonstrated an object-based effect at a sensory level over the posterior areas of brain, and a space-based effect over the anterior region. The present data suggest that the space- and object-based components reflect mainly voluntary and reflexive mechanisms, respectively.

Item Type:Article
Group:Faculty of Science & Technology
ID Code:20942
Deposited By: Symplectic RT2
Deposited On:21 Oct 2013 14:38
Last Modified:14 Mar 2022 13:47


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