Evidence map›Paper›PMID 30475831›Full record

Trial reportPloS one2018

Investigating speech and language impairments in delirium: A preliminary case-control study.

Samantha Green, Satu Reivonen, Lisa-Marie Rutter, Eva Nouzova, Nikki Duncan, Caoimhe Clarke, Alasdair M J MacLullich, Zoë Tieges

Registry-linked trialOpen access · goldAbstract readClinical Trial
In one paragraph

Trial report in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06081569 (Multimodal Deep Learning for the Diagnosis and Assessment of Alzheimer's Disease), which is not on this map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
1.5field-weighted citation impact, top 18% of its field
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.

NCT06081569 not yet recruitingnot on this mapstarted 2023, after this paper: background citation

Multimodal Deep Learning for the Diagnosis and Assessment of Alzheimer's Disease

TypeobservationalSponsorFirst Hospital of China Medical UniversityRan2023 to 2026Enrolled300ConditionsAlzheimer Disease, Mild Cognitive ImpairmentArmsgait video, speech video, facial expression video
3 · Its place in the literature

Who cites it

13 citing papers in PubMed, 27 citations in OpenAlex.

  1. Cerebral metabolic covariance in delirium: pattern response to symptomatic changes.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025
    Article
  2. Article
  3. Review
  4. A Clinician's View of Wernicke-Korsakoff Syndrome.Journal of clinical medicine · 2022
    Review
  5. Article
  6. Identifying Delirium in Persons With Moderate or Severe Dementia: Review of Challenges and an Illustrative Approach.The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry · 2022
    Review
  7. Article
  8. Lost in another language: a case report.Journal of medical case reports · 2022
    Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. 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

8 authors at 2 institutions in 1 country.

Samantha GreenDepartment of Psychology, University of Edinburgh, Edinburgh, Scotland, United Kingdom.
Satu ReivonenDepartment of Psychology, University of Edinburgh, Edinburgh, Scotland, United Kingdom.
Lisa-Marie RutterEdinburgh Delirium Research Group, University of Edinburgh, Edinburgh, Scotland, United Kingdom.
Eva NouzovaEdinburgh Delirium Research Group, University of Edinburgh, Edinburgh, Scotland, United Kingdom.
Nikki DuncanEdinburgh Delirium Research Group, University of Edinburgh, Edinburgh, Scotland, United Kingdom.
Caoimhe ClarkeEdinburgh Delirium Research Group, University of Edinburgh, Edinburgh, Scotland, United Kingdom.
Alasdair M J MacLullichEdinburgh Delirium Research Group, University of Edinburgh, Edinburgh, Scotland, United Kingdom.ORCID 0000-0003-3159-9370
Zoë TiegesEdinburgh Delirium Research Group, University of Edinburgh, Edinburgh, Scotland, United Kingdom.ORCID 0000-0002-3820-3917
University of Edinburgh · GBUniversity of Glasgow · GB

Funding

Biotechnology and Biological Sciences Research CouncilDepartment of Health 11/143/01Medical Research Council G108/646Medical Research Council MR/K026992/1Medical Research Council MR/L023210/1
6 · The paper itself

Abstract

introductionLanguage impairment is recognized as as part of the delirium syndrome, yet there is little neuropsychological research on the nature of this dysfunction. Here we hypothesized that patients with delirium show impairments in language formation, coherence and comprehension.

methodsThis was a case-control study in 45 hospitalized patients (aged 65-97 years) with delirium, dementia without delirium, or no cognitive impairment (N = 15 per group). DSM-5 criteria were used for delirium. Speech was elicited during (1) structured conversational questioning, and (2) the "Cookie Theft" picture description task. Language comprehension was assessed through standardized verbal and written commands. Interviews were audio-recorded and transcribed.

resultsDelirium and dementia groups scored lower on the conversational assessment than the control group (p<0.01, moderate effect sizes (r) of 0.48 and 0.51, resp.). In the Cookie Theft task, the average length of utterances (i.e. unit of speech), indicating language productivity and fluency, distinguished patients with delirium from those with dementia (p<0.01, r = 0.50) and no cognitive impairment (p<0.01, r = 0.55). Patients with delirium performed worse on written comprehension tests compared to cognitively unimpaired patients (p<0.01, r = 0.63), but not compared to the dementia group.

conclusionsProduction of spontaneous speech, word quantity, speech content and verbal and written language comprehension are impaired in delirious patients compared to cognitively unimpaired patients. Additionally, patients with delirium produced significantly less fluent speech than those with dementia. These findings have implications for how speech and language are evaluated in delirium assessments, and also for communication with patients with delirium. A study limitation was that the delirium group included patients with co-morbid dementia, which precludes drawing conclusions about the specific language profile of delirium.

Indexed as

Speech PerceptionAgedAged, 80 and overCase-Control StudiesCognitive DysfunctionDementiaDyslexiaFemaleHumansMaleMiddle AgedPattern Recognition, VisualSpeech Disorders

Identifiers

PMID30475831
PMCPMC6261049
OpenAlexW2950898206

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

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.