Evidence map›Paper›PMID 25016092›Full record

SynthesisBrain and language2014

The role of the insula in speech and language processing.

Anna Oh, Emma G Duerden, Elizabeth W Pang

Abstract readMeta-Analysis
In one paragraph

Synthesis in Brain and language, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 109 papers, 10 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
109citing papers in PubMed, 10 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

109 citing papers in PubMed, 10 syntheses or guidelines pooled it.

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  15. Decreased BOLD Signal Variability in Middle-Aged and Older Adults on the Autism Spectrum.Autism research : official journal of the International Society for Autism Research · 2026
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49 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Anna OhNeurosciences and Mental Health, SickKids Research Institute, Toronto, Canada.
Emma G DuerdenNeurosciences and Mental Health, SickKids Research Institute, Toronto, Canada; Diagnostic Imaging, Hospital for Sick Children, Toronto, Canada; Department of Paediatrics, University of Toronto, Toronto, Canada.
Elizabeth W PangNeurosciences and Mental Health, SickKids Research Institute, Toronto, Canada; Neurology, Hospital for Sick Children, Toronto, Canada; Department of Paediatrics, University of Toronto, Toronto, Canada. Electronic address: elizabeth.pang@sickkids.ca.

Funding

CIHR 89961-1CIHR MOP-89961
6 · The paper itself

Abstract

Lesion and neuroimaging studies indicate that the insula mediates motor aspects of speech production, specifically, articulatory control. Although it has direct connections to Broca's area, the canonical speech production region, the insula is also broadly connected with other speech and language centres, and may play a role in coordinating higher-order cognitive aspects of speech and language production. The extent of the insula's involvement in speech and language processing was assessed using the Activation Likelihood Estimation (ALE) method. Meta-analyses of 42 fMRI studies with healthy adults were performed, comparing insula activation during performance of language (expressive and receptive) and speech (production and perception) tasks. Both tasks activated bilateral anterior insulae. However, speech perception tasks preferentially activated the left dorsal mid-insula, whereas expressive language tasks activated left ventral mid-insula. Results suggest distinct regions of the mid-insula play different roles in speech and language processing.

Indexed as

LanguageAdultBroca AreaCerebral CortexFemaleHumansLikelihood FunctionsMagnetic Resonance ImagingMaleNeuroimagingSpeechSpeech PerceptionActivation Likelihood Estimation (ALE)ArticulationExpressive languageFunctional magnetic resonance imaging (fMRI)InsulaReceptive languageSpeech production

Identifiers

PMID25016092
PMCPMC4885738

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.