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Representations in human visual short-term memory: An event-related brain potential study

Klaver P., , Smid H.G.O.M., and Heinze H.-J., (1999) Representations in human visual short-term memory: An event-related brain potential study Neuroscience Letters, 268 (2). pp. 65-68.

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Abstract

Behavioral measures and event-related potentials (ERPs) were recorded from 12 subjects while performing three delayed matching-to-sample tasks. The task instructions indicated whether stimulus locations, shapes or conjunctions of locations and shapes had to be memorized and matched against a probe. Memory lead was varied trial-by-trial by cueing one or two of three stimuli for memorization, followed by one probe. ERPs during memorization and probe response times varied as a function of memory lead (posterior negative and anterior positive ERP wave), but not between single-feature and conjunction of features, nor was an interaction found between them. The results support and extend hypotheses by Luck and Vogel (Luck, S.J. and Vogel, E.K., The capacity of visual working memory for features and conjunctions. Nature, 390 (1997) 279-281.) that visual short-term memory stores conjunctions of features rather than single features.

Item Type: Article
Authors :
NameEmailORCID
Klaver P., UNSPECIFIEDUNSPECIFIED
Smid H.G.O.M., UNSPECIFIEDUNSPECIFIED
Heinze H.-J., UNSPECIFIEDUNSPECIFIED
Date : 1999
Identification Number : 10.1016/S0304-3940(99)00380-8
Uncontrolled Keywords : Event-related potential, Features/conjunctions of features, Memory load, Visual memory
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 10:41
Last Modified : 17 May 2017 10:41
URI: http://epubs.surrey.ac.uk/id/eprint/828796

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