Evidence map›Paper›PMID 40637927›Full record

ArticleCerebellum (London, England)2025

Revisiting the Cerebellum's Linguistic Role: Evidence for Cerebellar Involvement in Expressive Syntax.

Melanie Esver, Caitlin Cloud, Allison Hilger, Christine Brennan

Abstract read
In one paragraph

Article in Cerebellum (London, England), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–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

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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

1 citing paper in PubMed.

  1. Article
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

4 authors.

Melanie EsverUniversity of Colorado Boulder, 2501 Kittredge Loop Drive, Boulder, CO, 80039, USA.
Caitlin CloudUniversity of Colorado Boulder, 2501 Kittredge Loop Drive, Boulder, CO, 80039, USA.
Allison HilgerUniversity of Colorado Boulder, 2501 Kittredge Loop Drive, Boulder, CO, 80039, USA. allison.hilger@colorado.edu.
Christine BrennanUniversity of Colorado Boulder, 2501 Kittredge Loop Drive, Boulder, CO, 80039, USA.

Funding

Impaired sensorimotor integration for prosodic production in Ataxic DysarthriaF31DC017877 · NIDCD · NORTHWESTERN UNIVERSITY · PI HILGER, ALLISON I · 2019 to 2019
$30k
NIDCD NIH HHS F31 DC017877NIDCD NIH HHS F31 DC017877-01A1
6 · The paper itself

Abstract

The cerebellum's role in language remains unclear, though cerebellar damage may influence expressive language via neurological or compensatory mechanisms. This study investigated the syntactic complexity of spoken language in individuals with dysarthria due to cerebellar ataxia. Speech samples were collected via a picture description task from 26 individuals with cerebellar ataxia and 28 age- and sex-matched controls. Two complete sentences from each participant's picture description were selected for analysis and categorized by the presence of dependent clauses. A novel syntactic complexity scoring system, based on the developmental acquisition of parts of speech and validated against Systematic Analysis of Language Transcripts (SALT) scoring, was used to analyze a total of 108 utterances. The novel complexity scores showed high correlation with SALT scores, supporting validity. While overall syntactic complexity was higher in control participants (Cohen's d = 0.39), the difference was not statistically significant (p = 0.057). However, when analyzed by clause type, controls produced significantly more complex utterances for both independent and dependent clauses. Individuals with ataxia also produced fewer dependent clauses overall. Within the ataxia group, syntactic complexity was not associated with dysarthria severity, naturalness ratings, dysarthria impact, age, or sex. This study suggests a potential contribution of cerebellar dysfunction to reduced expressive syntactic complexity, based on significant group differences observed in specific clause types. Although the overall group difference in syntactic complexity did not reach statistical significance, the results highlight patterns consistent with a cerebellar role in language formulation. This work also introduces and validates a new tool for quantifying syntactic complexity in connected speech, which may support future research in disordered language production.

Indexed as

Cerebellar AtaxiaCerebellumDysarthriaLanguageLinguisticsSpeechAdultAgedFemaleHumansMaleMiddle AgedCerebellar physiologyDysarthriaSpeech-language pathologySyntax

Identifiers

PMID40637927
PMCPMC12245948

What OpenQuestion holds

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Registered trials

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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.