Evidence map›Paper›PMID 28824849›Full record

ArticleSchizophrenia research. Cognition2017

Speed and capacity of working memory and executive function in schizophrenia compared to unipolar depression.

Wolfgang Trapp, Simone Dotterweich, Lena Hintner, Hannah Wollny, Stefan Lautenbacher, Göran Hajak

Abstract read
In one paragraph

Article in Schizophrenia research. Cognition, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed, 1 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

12 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Trial
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  7. Review
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  11. What cognitive processes are "sluggish" in sluggish cognitive tempo?Journal of consulting and clinical psychology · 2019
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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

6 authors.

Wolfgang TrappDepartment of Psychiatry, Sozialstiftung Bamberg, St-.Getreu-Straße 18, 96049 Bamberg, Germany.
Simone DotterweichDepartment of Psychiatry, Sozialstiftung Bamberg, St-.Getreu-Straße 18, 96049 Bamberg, Germany.
Lena HintnerDepartment of Psychiatry, Sozialstiftung Bamberg, St-.Getreu-Straße 18, 96049 Bamberg, Germany.
Hannah WollnyDepartment of Psychiatry, Sozialstiftung Bamberg, St-.Getreu-Straße 18, 96049 Bamberg, Germany.
Stefan LautenbacherDepartment of Physiological Psychology, Otto-Friedrich University Bamberg, Markusplatz 3, 96045 Bamberg, Germany.
Göran HajakDepartment of Psychiatry, Sozialstiftung Bamberg, St-.Getreu-Straße 18, 96049 Bamberg, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Schizophrenia is associated with deficits in working memory (WM) and executive functioning (EF) that are present from prodrome to chronic stages of the disease and are related to social and occupational functioning. Recent empirical findings suggest that schizophrenia patients might suffer from a specific speed deficit regarding WM operations that also affects EF. To test this hypothesis, executive functioning (EF) and working memory (WM) performance of 20 schizophrenia (SC) patients, 20 patients suffering from Major Depressive Disorder (MDD) and 40 healthy control (HC) subjects were compared. While schizophrenia patients performed worse in the measure of EF, no difference between the SC and the MDD patients was found regarding WM capacity. However, the SC group was shown to have an impaired speed in encoding, retrieval and manipulation of WM contents compared to the HC group whereas the MDD group showed no such deficit. Furthermore, while in the MDD group only WM capacity was linked to EF performance, in the SC group EF was determined by both WM capacity and WM speed. Hence, increasing the speed of WM operations might be a fruitful target for future therapeutic interventions, and assessing not only the capacity but also the speed of WM might be helpful in identifying candidates for endophenotypic cognitive markers of SC.

Indexed as

DepressionExecutive functioningProcessing speedSchizophreniaWorking memory

Identifiers

PMID28824849
PMCPMC5537445

What OpenQuestion holds

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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.