Orthographic/Phonological Facilitation of Naming Responses in the Picture–Word Task: An Event-Related fMRI Study Using Overt Vocal Responding

doi:10.1006/nimg.2002.1135

NeuroImage

Volume 16, Issue 4, August 2002, Pages 1084-1093

https://doi.org/10.1006/nimg.2002.1135 Get rights and content

Abstract

In the picture–word interference task, naming responses are facilitated when a distractor word is orthographically and phonologically related to the depicted object as compared to an unrelated word. We used event-related functional magnetic resonance imaging (fMRI) to investigate the cerebral hemodynamic responses associated with this priming effect. Serial (or independent-stage) and interactive models of word production that explicitly account for picture–word interference effects assume that the locus of the effect is at the level of retrieving phonological codes, a role attributed recently to the left posterior superior temporal cortex (Wernicke's area). This assumption was tested by randomly presenting participants with trials from orthographically related and unrelated distractor conditions and acquiring image volumes coincident with the estimated peak hemodynamic response for each trial. Overt naming responses occurred in the absence of scanner noise, allowing reaction time data to be recorded. Analysis of this data confirmed the priming effect. Analysis of the fMRI data revealed blood oxygen level-dependent signal decreases in Wernicke's area and the right anterior temporal cortex, whereas signal increases were observed in the anterior cingulate, the right orbitomedial prefrontal, somatosensory, and inferior parietal cortices, and the occipital lobe. The results are interpreted as supporting the locus for the facilitation effect as assumed by both classes of theoretical model of word production. In addition, our results raise the possibilities that, counterintuitively, picture–word interference might be increased by the presentation of orthographically related distractors, due to competition introduced by activation of phonologically related word forms, and that this competition requires inhibitory processes to be resolved. The priming effect is therefore viewed as being sufficient to offset the increased interference. We conclude that information from functional imaging studies might be useful for constraining theoretical models of word production.

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Regular ArticleOrthographic/Phonological Facilitation of Naming Responses in the Picture–Word Task: An Event-Related fMRI Study Using Overt Vocal Responding

Abstract

NeuroImage

NeuroImage

NeuroImage

Neuropsychologia

NeuroImage

J. Mem. Lang.

NeuroImage

NeuroImage

Trends Cogn. Sci.

J. Mem. Lang.

Biol. Psych.

Brain Cogn.

Brain Lang.

J. Mem. Lang.

J. Mem. Lang.

NeuroImage

Nonlinear spatial normalization using basis functions

Hum. Brain Mapp.

Anterior cingulate and the monitoring of response conflict: Evidence from an fMRI study of overt verb generation

J. Cogn. Neurol.

The role of inhibition in a spreading-activation model of language production. I. The psycholinguistic perspective

J. Psycholinguist Res.

The role of inhibition in a spreading-activation model of language production. II. The simulational perspective

J. Psycholinguist Res.

Methodological issues confronting PET and fMRI studies of cognitive function

Cogn. Neuropsychol.

How many levels of processing are there in lexical access?

Cogn. Neuropsychol.

Parsing executive processes: Strategic vs. evaluative functions of the anterior cingulate cortex

Proc. Natl. Acad. Sci. USA

The MRC Psycholinguistic Database

Q. J. Exp. Psychol.

Semantic and phonological codes interact in single word production

J. Exp. Psychol. Learn. Mem. Cogn.

Interference from related items in object identification

J. Exp. Psychol. Learn. Mem. Cogn.

The semantic interference effect in the picture–word paradigm: An event-related fMRI study employing overt responses

Hum. Brain Mapp.

Utilizing hemodynamic delay and dispersion to detect fMRI signal change without auditory interference: The behavior interleaved gradients technique

Magn. Reson. Med.

The effect of scanner sound in visual, motor, and auditory functional MRI

Magn. Reson. Med.

Regular Article
Orthographic/Phonological Facilitation of Naming Responses in the Picture–Word Task: An Event-Related fMRI Study Using Overt Vocal Responding