Evidence map›Paper›PMID 24053039›Full record

ArticleSupplements to Clinical neurophysiology2013

Converging evidence for gamma synchrony deficits in schizophrenia.

B J Roach, J M Ford, R E Hoffman, D H Mathalon

Abstract read
In one paragraph

Article in Supplements to Clinical neurophysiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing 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

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

24 citing papers in PubMed.

  1. Trial
  2. Trial
  3. Δ9-THC Disrupts Gamma (γ)-Band Neural Oscillations in Humans.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2015
    Trial
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  6. Discovery of VU6024578/BI02982816: An mGluJournal of medicinal chemistry · 2024
    Article
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  10. Review
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  19. MEG and EEG demonstrate similar test-retest reliability of the 40Hz auditory steady-state response.International journal of psychophysiology : official journal of the International Organization of Psychophysiology · 2017
    Article
  20. 40 Hz Auditory Steady-State Response Is a Pharmacodynamic Biomarker for Cortical NMDA Receptors.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2016
    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.

B J RoachNorthern California Institute for Research and Education, San Francisco, CA 94121, USA.
J M Ford
R E Hoffman
D H Mathalon

Funding

Predictive Coding Abnormalities in Psychosis: EEG and fMRIR01MH058262 · NIMH · YALE UNIVERSITY · PI FORD, JUDITH M · 1998 to 2018
$6.4M
NIMH NIH HHS R01 MH058262
6 · The paper itself

Abstract

backgroundIn electroencephalogram (EEG) studies of auditory steady-state responses (ASSRs), patients with schizophrenia show a deficit in power and/or phase-locking, particularly at the 40 Hz frequency where these responses resonate. In addition, studies of the transient gamma-band response (GBR) elicited by single tones have revealed deficits in gamma power and phase-locking in schizophrenia. We examined the degree to which the 40 Hz ASSR and the transient GBR to single tones are correlated and whether they assess overlapping or distinct gamma-band abnormalities in schizophrenia.

methodsEEG was recorded during 40 Hz ASSR and auditory oddball paradigms from 28 patients with schizophrenia or schizoaffective disorder (SZ) and 25 age- and gender-matched healthy controls (HC). The ASSR was elicited by 500 ms click trains, and the transient GBR was elicited by the standard tones from the oddball paradigm. Gamma phase and magnitude values, calculated using Morlet wavelet transformations, were used to derive total power and phase-locking measures.

resultsRelative to HC, SZ patients had significant deficits in total gamma power and phase-locking for both ASSR- and GBR-based measures. Within both groups, the 40 Hz ASSR and GBR phase-locking measures were significantly correlated, with a similar trend evident for the total power measures. Moreover, co-varying for GBR substantially reduced 40 Hz ASSR power and phase-locking differences between the groups.

conclusions40 Hz ASSR and transient GBR measures provide very similar information about auditory gamma abnormalities in schizophrenia, despite the overall enhancement of 40 Hz ASSR total power and phase-locking values relative to the corresponding GBR values.

Indexed as

Brain MappingAcoustic StimulationAdultAnalysis of VarianceAuditory Perceptual DisordersBrain WavesCase-Control StudiesElectroencephalographyEvoked Potentials, AuditoryFemaleHumansMaleMiddle AgedPsychiatric Status Rating ScalesPsychoacousticsReaction Time

Identifiers

PMID24053039
PMCPMC4165558

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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.