Qualitative Hemispheric Differences in Semantic Category Matching  

Oleh:

Taylor, Kirsten I. ; Brugger, Peter ; Weniger, Dorothea ; Regard, Marianne

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 70 no. 1 (1999), page 119-131.
Fulltext: 70_01_Taylor.pdf (65.5KB)

Isi artikel

A unilateral category matching task with words as stimuli was employed to investigate semantic processing in the right and left hemispheres (RH, LH). An overall right visual field (RVF)/LH dominance was observed and performances were better than chance, also in the left visual field (LVF)/RH. A qualitative analysis of reaction times with individual differences multidimensional scaling (INDSCAL) revealed that LVF/RH INDSCAL solutions were significantly more differentiated in structure than RVF/LH solutions in terms of number and size of dimensions. These findings support a depth of activation hypothesis of hemispheric processing, with the LH rapidly and focally and the RH slowly and diffusely activating the semantic network.

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