Evidence map›Paper›PMID 37683728›Full record

ArticleBiological psychiatry. Cognitive neuroscience and neuroimaging2024

Effects of Memantine on the Auditory Steady-State and Harmonic Responses to 40 Hz Stimulation Across Species.

Neal R Swerdlow, Christopher E Gonzalez, Muhammad Ummear Raza, Deepshila Gautam, Makoto Miyakoshi, Peter E Clayson, Yash B Joshi, Juan L Molina, Jo Talledo, Michael L Thomas and 2 more

Open access · greenAbstract read
In one paragraph

Article in Biological psychiatry. Cognitive neuroscience and neuroimaging, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed, 1 pooled it
1.2field-weighted citation impact, top 22% 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

7 citing papers in PubMed, 1 synthesis or guideline pooled it, 7 citations in OpenAlex.

  1. Glutamatergic Modulation of Brain Function in Psychosis: A Systematic Review of Neuroimaging Studies.Biological psychiatry. Cognitive neuroscience and neuroimaging · 2025
    Pooled it
  2. Altered Auditory Maturation in Fragile X Syndrome and Its Involvement in Audiogenic Seizure Susceptibility.Autism research : official journal of the International Society for Autism Research · 2026
    Article
  3. Article
  4. Article
  5. Article
  6. Review
  7. Challenges and Approaches in the Study of Neural Entrainment.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024
    Review
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

12 authors at 6 institutions in 1 country.

Neal R SwerdlowDepartment of Psychiatry, University of California San Diego School of Medicine, La Jolla, California; VISN 22 Mental Illness Research, Education, and Clinical Center, San Diego Veterans Administration Health System, La Jolla, California. Electronic address: nswerdlow@ucsd.edu.
Christopher E GonzalezDepartment of Psychiatry, University of California San Diego School of Medicine, La Jolla, California; VISN 22 Mental Illness Research, Education, and Clinical Center, San Diego Veterans Administration Health System, La Jolla, California.
Muhammad Ummear RazaPharmaceutical Sciences, Bill Gatton College of Pharmacy, East Tennessee State University, Johnson City, Tennessee.
Deepshila GautamPharmaceutical Sciences, Bill Gatton College of Pharmacy, East Tennessee State University, Johnson City, Tennessee.
Makoto MiyakoshiDivision of Child and Adolescent Psychiatry, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; Department of Psychiatry, University of Cincinnati College of Medicine, Cincinnati, Ohio.
Peter E ClaysonDepartment of Psychology, University of South Florida, Tampa, Florida.
Yash B JoshiDepartment of Psychiatry, University of California San Diego School of Medicine, La Jolla, California; VISN 22 Mental Illness Research, Education, and Clinical Center, San Diego Veterans Administration Health System, La Jolla, California.
Juan L MolinaDepartment of Psychiatry, University of California San Diego School of Medicine, La Jolla, California; VISN 22 Mental Illness Research, Education, and Clinical Center, San Diego Veterans Administration Health System, La Jolla, California.
Jo TalledoDepartment of Psychiatry, University of California San Diego School of Medicine, La Jolla, California.
Michael L ThomasDepartment of Psychology, Colorado State University, Fort Collins, Colorado.
Gregory A LightDepartment of Psychiatry, University of California San Diego School of Medicine, La Jolla, California; VISN 22 Mental Illness Research, Education, and Clinical Center, San Diego Veterans Administration Health System, La Jolla, California. Electronic address: glight@ucsd.edu.
Digavalli V SivaraoPharmaceutical Sciences, Bill Gatton College of Pharmacy, East Tennessee State University, Johnson City, Tennessee.
University of California San Diego · USEast Tennessee State University · USUC San Diego Health System · USCincinnati Children's Hospital Medical Center · USColorado State University · USUniversity of South Florida · US

Funding

EEGLAB: Software for Analysis of Human Brain DynamicsR01NS047293 · NINDS · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI Arnaud Delorme, Scott Makeig · 2004 to 2026
$10.2M
Psychiatry Research Residency Training TrackR25MH101072 · NIMH · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI NEAL R SWERDLOW · 2013 to 2026
$2.8M
Memantine effects on sensorimotor gating and neurocognition in schizophreniaR01MH094320 · NIMH · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI SWERDLOW, NEAL R · 2012 to 2020
$2.6M
Memantine augmentation of cognitive training in schizophreniaR33MH125114 · NIMH · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI LIGHT, GREGORY A · 2021 to 2023
$2.2M
NIMH NIH HHS R01 MH094320NIMH NIH HHS R25 MH101072NIMH NIH HHS R33 MH125114NINDS NIH HHS R01 NS047293RRD VA IK1 RX003683RRD VA IK2 RX003395RRD VA IK2 RX004570
6 · The paper itself

Abstract

backgroundClick trains elicit an auditory steady-state response (ASSR) at the driving frequency (1F) and its integer multiple frequencies (2F, 3F, etc.) called harmonics; we call this harmonic response the steady-state harmonic response (SSHR). We describe the 40 Hz ASSR (1F) and 80 Hz SSHR (2F) in humans and rats and their sensitivity to the uncompetitive NMDA antagonist memantine.

methodsIn humans (healthy control participants, n = 25; patients with schizophrenia, n = 28), electroencephalography was recorded after placebo or 20 mg memantine in a within-participant crossover design. ASSR used 1 ms, 85-dB clicks presented in 250 40/s 500-ms trains. In freely moving rats (n = 9), electroencephalography was acquired after memantine (0, 0.3, 1, 3 mg/kg) in a within-participant crossover design; 65-dB click trains used 5-mV monophasic, 1-ms square waves (40/s).

resultsAcross species, ASSR at 1F generated greater evoked power (EP) than the 2F SSHR. 1F > 2F intertrial coherence (ITC) was also detected in humans, but the opposite relationship (ITC: 2F > 1F) was seen in rats. EP and ITC at 1F were deficient in patients and were enhanced by memantine across species. EP and ITC at 2F were deficient in patients. Measures at 2F were generally insensitive to memantine across species, although in humans the ITC harmonic ratio (1F:2F) was modestly enhanced by memantine, and in rats, both the EP and ITC harmonic ratios were significantly enhanced by memantine.

conclusionsASSR and SSHR are robust, nonredundant electroencephalography signals that are suitable for cross-species analyses that reveal potentially meaningful differences across species, diagnoses, and drugs.

Indexed as

MemantineSchizophreniaAcoustic StimulationAnimalsElectroencephalographyEvoked Potentials, AuditoryHumansRatsMemantineAuditory steady-state responseHarmonicsMemantineSchizophreniaSteady-state harmonic response

Identifiers

PMID37683728
PMCPMC12045617
OpenAlexW4386492395

What OpenQuestion holds

Textmetadata
LicenceTDM
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.