Differences in task demands influence the hemispheric lateralization and neural correlates of metaphor

Fanpei Gloria Yang, Jennifer Edens, Claire Simpson, Daniel C. Krawczyk

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

This study investigated metaphor comprehension in the broader context of task-difference effects and manipulation of processing difficulty. We predicted that right hemisphere recruitment would show greater specificity to processing difficulty rather than metaphor comprehension. Previous metaphor processing studies have established that the left inferior frontal gyrus strongly correlates with metaphor comprehension but there has been controversy about whether right hemisphere (RH) involvement is specific for metaphor comprehension. Functional MRI data were recorded from healthy subjects who read novel metaphors, conventional metaphors, definition-like sentences, or literal sentences. We investigated metaphor processing in contexts where semantic judgment or imagery modulates linguistic judgment. Our findings support the position that the type of task rather than figurative language processing per se modulates the left inferior gyrus (LIFG). RH involvement was more influenced by processing difficulty and less by the novelty or figurativity of linguistic expressions. Our results suggest that figurative language processing depends upon the effects of task-type and processing difficulty on imaging results.

Original languageEnglish (US)
Pages (from-to)114-124
Number of pages11
JournalBrain and Language
Volume111
Issue number2
DOIs
StatePublished - Nov 2009

Fingerprint

Metaphor
metaphor
comprehension
Linguistics
Language
linguistics
Neural Correlates
Lateralization
Imagery (Psychotherapy)
language
Prefrontal Cortex
Semantics
manipulation
Healthy Volunteers
Metaphor Comprehension
semantics
Magnetic Resonance Imaging
Right Hemisphere

Keywords

  • fMRI
  • Language
  • Left inferior frontal gyrus
  • Processing difficulty
  • Semantic

ASJC Scopus subject areas

  • Linguistics and Language
  • Speech and Hearing
  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience

Cite this

Differences in task demands influence the hemispheric lateralization and neural correlates of metaphor. / Yang, Fanpei Gloria; Edens, Jennifer; Simpson, Claire; Krawczyk, Daniel C.

In: Brain and Language, Vol. 111, No. 2, 11.2009, p. 114-124.

Research output: Contribution to journalArticle

Yang, Fanpei Gloria ; Edens, Jennifer ; Simpson, Claire ; Krawczyk, Daniel C. / Differences in task demands influence the hemispheric lateralization and neural correlates of metaphor. In: Brain and Language. 2009 ; Vol. 111, No. 2. pp. 114-124.
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