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Electrophysiological evidence of a delay in the visual recognition process in young children

 

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Opened Access Electrophysiological evidence of a delay in the visual recognition process in young children
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Author: Barriga da Silva Paulino, Catarina Isabel
Rodríguez Martínez, Elena Isabel
Rojas Benjumea, María Ángeles
Gómez González, Carlos María
Department: Universidad de Sevilla. Departamento de Psicología Experimental
Date: 2015
Published in: Frontiers in Human Neuroscience, 9, 1-13.
Document type: Article
Abstract: The present study analyzes the development of the visual recognition processing of the relevant stimulus in a Delayed Match-To-Sample (DMS) task during the matching phase. To do so, Electroencephalograms of 170 subjects between 6 and 26 years old were recorded. Behavioral responses and Event Related Potentials (ERPs) induced by the stimuli were obtained. Reaction times and errors, mainly omissions, were inversely related to age. The ERPs analysis showed a parietal negativity in the P7 and P8 electrodes when the relevant stimulus was presented in the contralateral site. This negativity resulting from the recognition and selection of the relevant stimulus was present in all age groups. However, the youngest children showed an extended latency in the recognition process. The results suggest that children and adults use similar processes to recognize the item maintained in visual short-term memory (VSTM), but children need more time to successfully recognize the memorized item.
Cite: Barriga da Silva Paulino, C.I., Rodríguez Martínez, E.I., Rojas Benjumea, M.Á. y Gómez González, C.M. (2015). Electrophysiological evidence of a delay in the visual recognition process in young children. Frontiers in Human Neuroscience, 9, 1-13.
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URI: http://hdl.handle.net/11441/58557

DOI: 10.3389/fnhum.2015.00622

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