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ERIC Number: EJ812304
Record Type: Journal
Publication Date: 2008-Oct
Pages: 7
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-0278-2626
The Role of the Magnocellular and Parvocellular Pathways in the Attentional Blink
Nieuwenhuis, Sander; Jepma, Marieke; La Fors, Sabrina; Olivers, Christian N. L.
Brain and Cognition, v68 n1 p42-48 Oct 2008
The attentional blink refers to the transient impairment in perceiving the 2nd of two targets presented in close temporal proximity in a rapid serial visual presentation (RSVP) stream. The purpose of this study was to examine the effect on human attentional-blink performance of disrupting the function of the magnocellular pathway--a major visual-processing pathway specialized in temporal segregation. The study was motivated by recent theories that relate the attentional blink to the limited temporal resolution of attentional responses, and by a number of poorly understood empirical findings, including the effects on the attentional blink of luminance adaptation and distraction. The attentional blink was assessed for stimuli on a red background (Experiment 1), stimuli on an equiluminant background (Experiment 2), and following flicker or motion adaptation (Experiment 3), three psychophysical manipulations known to disrupt magnocellular function. Contrary to our expectations, the attentional blink was not affected by these manipulations, suggesting no specific relationship between the attentional blink and magnocellular and/or parvocellular processing. (Contains 1 figure.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A