Processing of metaphoric and non-metaphoric alternative meanings of words after right- and left-hemispheric lesion  

Oleh:

Gagnon, Louise ; Goulet, Pierre ; Giroux, Francine ; JOANETTE, YVES

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 87 no. 2 (2003), page 217-226.
Topik: Right hemisphere; Metaphor; Brain-damaged
Fulltext: 87_02_Gagnon.pdf (146.45KB)

Isi artikel

This study examines the specificity of the contribution of the right hemisphere to the processing of metaphoric meaning of words. Ten right- and 10 left-hemisphere-damaged subjects, and 20 normal control subjects were submitted to: (1) a word-triad task where they had to associate alternative metaphoric and non-metaphoric words to a target word, and to (2) a word-dyad task where they had to decide whether or not there was a semantic relationship between two words. The two tasks aimed at differentiating between the subjects' preference for a given semantic meaning versus a genuine semantic deficit for a particular meaning. Results revealed that both right- and left-hemisphere-damaged groups presented a genuine semantic deficit for the processing of metaphoric meaning. The absence of a double dissociation between the two brain-damaged groups does not support the hypothesis of a specific contribution of the right-hemisphere to the processing of metaphoric meaning of words.

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