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Title: ERP indexes of functional differences in brain activation during proper and common names retrieval
Authors: Proverbio, Alice Mado
Lilli, Stefania
Semenza, Carlo
Zani, Alberto
Keywords: ERPs
Memory retrieval
Lexical category
Left temporal lobe
Phonological decision
Issue Date: 2001
Abstract: Functional neuroimaging and neuropsychological findings suggest that memory retrieval of common and proper names is subserved by different neuro-functional systems but little is known about the topographic localization of neural generators. In the present study brain electrical activity was recorded with a high density electrode montage in healthy young volunteers during lexical retrieval upon written definition. ERPs spatio-temporal mapping showed on one side a strong activation of left anterior temporal and left central-frontal areas for proper names, and on the other side a greater involvement of occipital areas for common names retrieval. The specific pattern of bio-electrical activity recorded during proper names retrieval might index the activation of neural circuits for recalling names of high contextual complexity, poor of sensory–motor associations and dependent on precise spatio-temporal coordinates.
Appears in Collections:Linguistic research materials (restricted access)

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