Evidence map›Paper›PMID 25968910›Full record

ArticleNeuroreport2015

Impaired discrimination learning in interneuronal NMDAR-GluN2B mutant mice.

Jonathan L Brigman, Rachel A Daut, Lisa Saksida, Timothy J Bussey, Kazu Nakazawa, Andrew Holmes

Abstract read
In one paragraph

Article in Neuroreport, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
0.4field-weighted citation impact, top 41% 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

13 citing papers in PubMed, 15 citations in OpenAlex.

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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 at 4 institutions in 2 countries.

Jonathan L BrigmanaDepartment of Neurosciences, University of New Mexico School of Medicine, Albuquerque, New Mexico bLaboratory of Behavioral and Genomic Neuroscience, NIAAA, NIH Rockville, Maryland cDepartment of Psychiatry, University of Alabama School of Medicine, Birmingham, Alabama, USA dDepartment of Experimental Psychology, Medical Research Council and Wellcome Trust Behavioral and Clinical Neuroscience Institute, University of Cambridge, Cambridge, UK.
Rachel A Daut
Lisa Saksida
Timothy J Bussey
Kazu Nakazawa
Andrew Holmes
Medical Research Council · GBNational Institute on Alcohol Abuse and Alcoholism · USUniversity of Alabama at Birmingham · USUniversity of New Mexico · US

Funding

Mouse models of stress disorders and addictionZIAAA000411 · NIAAA · NATIONAL INSTITUTE ON ALCOHOL ABUSE AND ALCOHOLISM · PI HOLMES, ANDREW · 2009 to 2025
$37.7M
Delineating NMDA Receptor Hypofunctions Role in Schizophrenia PathophysiologyK22MH099164 · NIMH · UNIVERSITY OF ALABAMA AT BIRMINGHAM · PI NAKAZAWA, KAZUTOSHI · 2013 to 2015
$892k
Corticostriatal networks and NMDAR mediation of habitual and flexible actionK22AA020303 · NIAAA · UNIVERSITY OF NEW MEXICO HEALTH SCIS CTR · PI BRIGMAN, JONATHAN L · 2011 to 2013
$486k
NIAAA NIH HHS 1K22AA020303-01NIAAA NIH HHS K22 AA020303NIMH NIH HHS K22 MH099164
6 · The paper itself

Abstract

Previous studies have established a role for N-methyl-D-aspartate receptor (NMDAR) containing the GluN2B subunit in efficient learning behavior on a variety of tasks. Recent findings have suggested that NMDAR on GABAergic interneurons may underlie the modulation of striatal function necessary to balance efficient action with cortical excitatory input. Here we investigated how loss of GluN2B-containing NMDAR on GABAergic interneurons altered corticostriatal-mediated associative learning. Mutant mice (floxed-GluN2B×Ppp1r2-Cre) were generated to produce loss of GluN2B on forebrain interneurons and phenotyped on a touchscreen-based pairwise visual learning paradigm. We found that the mutants showed normal performance during Pavlovian and instrumental pretraining, but were significantly impaired on a discrimination learning task. Detailed analysis of the microstructure of discrimination performance revealed reduced win→stay behavior in the mutants. These results further support the role of NMDAR, and GluN2B in particular, on modulation of striatal function necessary for efficient choice behavior and suggest that NMDAR on interneurons may play a critical role in associative learning.

Indexed as

AnimalsDiscrimination LearningFemaleGABAergic NeuronsInterneuronsMaleMiceMice, Inbred C57BLMice, KnockoutProsencephalonReceptors, N-Methyl-D-AspartateNR2B NMDA receptorReceptors, N-Methyl-D-Aspartate

Identifiers

PMID25968910
PMCPMC4446170
OpenAlexW2406009463

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.