The dorsolateral prefrontal cortex in idiom interpretation:: An rTMS study

Silvia Rizzo; Marco Sandrini; Costanza Papagno

doi:10.1016/j.brainresbull.2006.11.006

The dorsolateral prefrontal cortex in idiom interpretation: An rTMS study

Silvia Rizzo, Marco Sandrini, Costanza Papagno

School of Psychology

Research output: Contribution to journal › Article › peer-review

Abstract

Neuropsychological studies have suggested that a prefrontal lesion can impair idiom comprehension. We tested the role of the dorsolateral prefrontal cortex (DLPFC) in idiom processing by using repetitive transcranial magnetic stimulation (rTMS) in normal participants. Each subject was presented with a written (idiomatic or literal) sentence followed by four pictures. rTMS was applied over left or right DLPFC or in a sham condition after picture presentation. Reaction times (RTs) decreased for the two types of sentence during rTMS, but accuracy was affected only in the case of idioms. The results show that both left and right DLPFC are involved in monitoring the idiomatic response, thus complementing neuropsychological studies.

Original language	English
Pages (from-to)	523-8
Number of pages	6
Journal	BRAIN RESEARCH BULLETIN
Volume	71
Issue number	5
DOIs	https://doi.org/10.1016/j.brainresbull.2006.11.006
Publication status	Published - 15 Mar 2007

Keywords

Adult
Analysis of Variance
Brain Mapping
Electric Stimulation
Female
Humans
Male
Photic Stimulation
Prefrontal Cortex
Semantics
Transcranial Magnetic Stimulation

Access to Document

10.1016/j.brainresbull.2006.11.006

Cite this

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title = "The dorsolateral prefrontal cortex in idiom interpretation:: An rTMS study",

abstract = "Neuropsychological studies have suggested that a prefrontal lesion can impair idiom comprehension. We tested the role of the dorsolateral prefrontal cortex (DLPFC) in idiom processing by using repetitive transcranial magnetic stimulation (rTMS) in normal participants. Each subject was presented with a written (idiomatic or literal) sentence followed by four pictures. rTMS was applied over left or right DLPFC or in a sham condition after picture presentation. Reaction times (RTs) decreased for the two types of sentence during rTMS, but accuracy was affected only in the case of idioms. The results show that both left and right DLPFC are involved in monitoring the idiomatic response, thus complementing neuropsychological studies.",

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AU - Sandrini, Marco

AU - Papagno, Costanza

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AB - Neuropsychological studies have suggested that a prefrontal lesion can impair idiom comprehension. We tested the role of the dorsolateral prefrontal cortex (DLPFC) in idiom processing by using repetitive transcranial magnetic stimulation (rTMS) in normal participants. Each subject was presented with a written (idiomatic or literal) sentence followed by four pictures. rTMS was applied over left or right DLPFC or in a sham condition after picture presentation. Reaction times (RTs) decreased for the two types of sentence during rTMS, but accuracy was affected only in the case of idioms. The results show that both left and right DLPFC are involved in monitoring the idiomatic response, thus complementing neuropsychological studies.

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KW - Electric Stimulation

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