Attribute-invariant orientation discrimination at an early stage of processing in the human visual system


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/19103

Title:	Attribute-invariant orientation discrimination at an early stage of processing in the human visual system
Authors:	Kasai, Tetsuko Browse this author →KAKEN DB
	Morita, Hiromi Browse this author
	Kumada, Takatsune Browse this author
Keywords:	Cue integration
	Form
	Orientation discrimination
	Attention
	Event-related potentials
Issue Date:	Jan-2007
Publisher:	Elsevier
Journal Title:	Vision Research
Volume:	47
Issue:	2
Start Page:	203
End Page:	209
Publisher DOI:	10.1016/j.visres.2006.09.023
PMID:	17092533
Abstract:	This study investigated event-related brain potentials (ERPs) during selective attention to the orientation of a bar comprised of two squares, which were defined by only color or motion (intra-attribute conditions) or both (interattribute condition). An early positive potential in association with orientation selection was elicited for all conditions in similar latency ranges but with different scalp distributions. These results suggest that attribute-invariant orientations can be discriminated at an early stage of processing in the human brain, which fills a gap between monkey electrophysiology and human psychophysics, while attribute-specific orientations are also available in a given context.
Relation:	http://www.sciencedirect.com/science/journal/00426989
Type:	article (author version)
URI:	http://hdl.handle.net/2115/19103
Appears in Collections:	教育学院・教育学研究院 (Graduate School of Education / Faculty of Education) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 河西哲子

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