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Article: Serial position encoding of signs

TitleSerial position encoding of signs
Authors
Issue Date2016
PublisherElsevier. The Journal's web site is located at http://www.elsevier.com/locate/cognit
Citation
Cognition, 2016, v. 154, p. 69-80 How to Cite?
AbstractReduced short-term memory (STM) capacity has been reported for sign as compared to speech when items have to be recalled in a specific order. This difference has been attributed to a more precise and efficient serial position encoding in verbal STM (used for speech) than visuo-spatial STM (used for sign). We tested in the present investigation whether the reduced STM capacity with signs stems from a lack of positional encoding available in verbal STM. Error analyses reported in prior studies have revealed that positions are defined in verbal STM by distance from both the start and the end of the sequence (both-edges positional encoding scheme). Our analyses of the errors made by deaf participants with finger-spelled letters revealed that the both-edges positional encoding scheme underlies the STM representation of signs. These results indicate that the cause of the STM disadvantage is not the type of positional encoding but rather the difficulties in binding an item in visuo-spatial STM to its specific position in the sequence. Both-edges positional encoding scheme could be specific of sign, since it has not been found in visuo-spatial STM tasks conducted with hearing participants.
Persistent Identifierhttp://hdl.handle.net/10722/229596

 

DC FieldValueLanguage
dc.contributor.authorMiozzo, M-
dc.contributor.authorPetrova, A-
dc.contributor.authorFischer-Baum, S-
dc.contributor.authorPeressotti, F-
dc.date.accessioned2016-08-23T14:12:05Z-
dc.date.available2016-08-23T14:12:05Z-
dc.date.issued2016-
dc.identifier.citationCognition, 2016, v. 154, p. 69-80-
dc.identifier.urihttp://hdl.handle.net/10722/229596-
dc.description.abstractReduced short-term memory (STM) capacity has been reported for sign as compared to speech when items have to be recalled in a specific order. This difference has been attributed to a more precise and efficient serial position encoding in verbal STM (used for speech) than visuo-spatial STM (used for sign). We tested in the present investigation whether the reduced STM capacity with signs stems from a lack of positional encoding available in verbal STM. Error analyses reported in prior studies have revealed that positions are defined in verbal STM by distance from both the start and the end of the sequence (both-edges positional encoding scheme). Our analyses of the errors made by deaf participants with finger-spelled letters revealed that the both-edges positional encoding scheme underlies the STM representation of signs. These results indicate that the cause of the STM disadvantage is not the type of positional encoding but rather the difficulties in binding an item in visuo-spatial STM to its specific position in the sequence. Both-edges positional encoding scheme could be specific of sign, since it has not been found in visuo-spatial STM tasks conducted with hearing participants.-
dc.languageeng-
dc.publisherElsevier. The Journal's web site is located at http://www.elsevier.com/locate/cognit-
dc.relation.ispartofCognition-
dc.rightsPosting accepted manuscript (postprint): © <year>. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/-
dc.titleSerial position encoding of signs-
dc.typeArticle-
dc.identifier.emailPetrova, A: petrova@hku.hk-
dc.identifier.doidoi:10.1016/j.cognition.2016.05.008-
dc.identifier.hkuros262082-
dc.identifier.volume154-
dc.identifier.spage69-
dc.identifier.epage80-

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