Evidence map›Paper›PMID 21518920›Full record

ArticleSchizophrenia bulletin2012

Phase-specific brain change of spatial working memory processing in genetic and ultra-high risk groups of schizophrenia.

Jung-Seok Choi, Ji-Young Park, Myung Hun Jung, Joon Hwan Jang, Do-Hyung Kang, Wi Hoon Jung, Ji Yeon Han, Chi-Hoon Choi, Kyung Sue Hong, Jun Soo Kwon

Open access · bronzeAbstract read
In one paragraph

Article in Schizophrenia bulletin, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed, 3 pooled it
3.0field-weighted citation impact, top 9% 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.

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

33 citing papers in PubMed, 3 syntheses or guidelines pooled it, 66 citations in OpenAlex.

  1. Pooled it
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  4. Review
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  6. Article
  7. Illness Phase as a Key Assessment and Intervention Window for Psychosis.Biological psychiatry global open science · 2023
    Review
  8. A Review of Potential Neuroimaging Biomarkers of Schizophrenia-Risk.Journal of psychiatry and brain science · 2023
    Article
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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

10 authors at 3 institutions in 2 countries.

Jung-Seok ChoiDepartment of Psychiatry, Seoul National University College of Medicine, 101 Daehak-no, Chongno-gu, Seoul 110-744, Korea.
Ji-Young Park
Myung Hun Jung
Joon Hwan Jang
Do-Hyung Kang
Wi Hoon Jung
Ji Yeon Han
Chi-Hoon Choi
Kyung Sue Hong
Jun Soo Kwon
Seoul National University · KRNational Medical Center · KRSamsung Medical Center · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Spatial working memory (WM) processing has 3 distinct phases: encoding, maintenance, and retrieval and its dysfunction is a core feature in schizophrenia. We examined phase-specific brain activations associated with spatial WM in first-degree relatives of schizophrenia (genetic high risk, GHR), ultra-high risk (UHR) subjects, patients with schizophrenia, and healthy controls. We used an event-related functional magnetic resonance imaging in 17 GHR subjects, 21 UHR subjects, 15 clinically stable patients with schizophrenia and 16 healthy controls, while subjects were performing a spatial delayed-response task. During the encoding phase, the GHR group showed increased activation in the fronto-parietal regions, whereas the UHR and schizophrenia groups showed significantly less activation in these regions than did the healthy control group. Especially, frontal activation was strongest in GHR subjects, followed by healthy controls, and occurred to a lesser degree in the UHR group, with the least activation occurring in the schizophrenia group. During the maintenance phase, the thalamus showed a differential activation, similar to frontal activation pattern during the encoding phase. During the retrieval phase, no prominent differential activations were found. Increased activations were observed in the superior temporal gyrus during the encoding and maintenance phases in the GHR, UHR, and schizophrenia groups relative to healthy controls. Our findings suggest that functional deficits associated with spatial WM processing emerge in the UHR before the onset of schizophrenia and compensatory neural processes exist in the GHR with genetic liability to schizophrenia.

Indexed as

Memory, Short-TermAdolescentAdultBrainBrain MappingCase-Control StudiesFamilyFemaleFrontal LobeFunctional NeuroimagingHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleMemory DisordersParietal Lobe

Identifiers

PMID21518920
PMCPMC3494057
OpenAlexW2139977289

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.