2024
Early adversity causes sex-specific deficits in perforant pathway connectivity and contextual memory in adolescent mice
Islam R, White J, Arefin T, Mehta S, Liu X, Polis B, Giuliano L, Ahmed S, Bowers C, Zhang J, Kaffman A. Early adversity causes sex-specific deficits in perforant pathway connectivity and contextual memory in adolescent mice. Biology Of Sex Differences 2024, 15: 39. PMID: 38715106, PMCID: PMC11075329, DOI: 10.1186/s13293-024-00616-0.Peer-Reviewed Original ResearchConceptsLateral entorhinal cortexContextual fear conditioningDorsal hippocampusHippocampal developmentSex differencesFear conditioningEarly adversityLimited beddingSevere deficitsModel of early adversitySex-specific deficitsReelin-positive neuronsPerforant pathwayReelin-positive cellsDiffusion magnetic resonance imagingEx vivo diffusion magnetic resonance imagingContextual freezingContextual memoryAdolescent miceHippocampal functionLife adversityEntorhinal cortexHippocampusDeficitsAdolescent males
2023
Acute Stress Enhances Memory and Preference for Smoking-Related Associations in Smokers
Lee J, Kang S, Maier S, Lee S, Goldfarb E, Ahn W. Acute Stress Enhances Memory and Preference for Smoking-Related Associations in Smokers. Nicotine & Tobacco Research 2023, 26: 333-341. PMID: 37589502, DOI: 10.1093/ntr/ntad152.Peer-Reviewed Original ResearchSmoking-related itemsMemory biasesAcute stressNicotine dependenceAccuracy of memoryStress-induced relapseLaboratory-based stressorRole of stressMemory biasMemory recognitionContext memoryLaboratory paradigmContextual memoryVisual stimuliNicotine seekingAssociative memorySevere nicotine dependenceRewarding memoryMemoryControl conditionRelated contextGreater preferenceCurrent studyPotential interventionsItems
2020
Hippocampal knockdown of α2 nicotinic or M1 muscarinic acetylcholine receptors in C57BL/6J male mice impairs cued fear conditioning
Mineur YS, Ernstsen C, Islam A, Maibom KL, Picciotto MR. Hippocampal knockdown of α2 nicotinic or M1 muscarinic acetylcholine receptors in C57BL/6J male mice impairs cued fear conditioning. Genes Brain & Behavior 2020, 19: e12677. PMID: 32447811, PMCID: PMC8018799, DOI: 10.1111/gbb.12677.Peer-Reviewed Original ResearchConceptsFear learningShort-term learningNumber of paradigmsCued fearLight/dark boxFear conditioningContextual memoryStress-related behaviorsStress-induced reactivityTerm learningBrain circuitsRobust effectM1 mAChRHippocampal acetylcholineM1 muscarinic ACh receptorsNovelty-suppressed feeding testLearningMemoryDark boxHippocampus of malesM1 muscarinic acetylcholine receptorHippocampal knockdownFearMuscarinic ACh receptorsGroups of mice
2019
Punishment-related memory-guided attention: Neural dynamics of perceptual modulation
Suárez-Suárez S, Holguín S, Cadaveira F, Nobre A, Doallo S. Punishment-related memory-guided attention: Neural dynamics of perceptual modulation. Cortex 2019, 115: 231-245. PMID: 30852377, PMCID: PMC6525146, DOI: 10.1016/j.cortex.2019.01.029.Peer-Reviewed Original ResearchConceptsContextual memoryAttentional biasPunishment avoidanceMemory-based attentional biasesMemory-driven attentional biasPositive reward valueAvoidance of punishmentEvent-related potentialsOptimal perceptual decisionsResponses to targetsEarly visual processingVisual search processAssociated with successful avoidanceAvoidance associationsReward valueNeural signaturesAttention taskMotivational valueSuccessful avoidanceTarget stimuliPerceptual decisionsVisual processingPerceptual modulesNeural dynamicsElectrophysiological measurementsThe Functional Consequences of Social Attention for Memory-guided Attention Orienting and Anticipatory Neural Dynamics
Doherty B, van Ede F, Fraser A, Patai E, Nobre A, Scerif G. The Functional Consequences of Social Attention for Memory-guided Attention Orienting and Anticipatory Neural Dynamics. Journal Of Cognitive Neuroscience 2019, 31: 686-698. PMID: 30726182, DOI: 10.1162/jocn_a_01379.Peer-Reviewed Original ResearchConceptsAttentional orientingAlpha-band oscillationsSocial distractorsMemory precisionMemory performanceSocial attentionPoorer memory performanceAttentional biasHealthy human adultsContextual memoryValidity effectDistractor typeEffect of social processesSocial scenesDistractorsNeural dynamicsAnticipatory dynamicsHuman adultsYoung adultsMemoryBidirectional chainFunctional consequencesTarget locationSocial processesAdults
2015
Preserved memory-based orienting of attention with impaired explicit memory in healthy ageing
Salvato G, Patai E, Nobre A. Preserved memory-based orienting of attention with impaired explicit memory in healthy ageing. Cortex 2015, 74: 67-78. PMID: 26649914, PMCID: PMC4729287, DOI: 10.1016/j.cortex.2015.10.019.Peer-Reviewed Original ResearchConceptsLong-term memoryContextual long-term memoryOrienting of attentionContextual memoryExplicit memoryOlder participantsYounger participantsExplicit memory deficitsImpaired explicit memoryExplicit retrieval tasksMemory-guided attentionEncoding of eventsVisuo-spatial attentionTarget detection taskOrienting visual attentionHealthy agingMemory deficitsBehavioral performanceContextual associationsBehavioral benefitsNeural activityVisual attentionMemoryYoung adultsOlder adultsMemories reactivated under ketamine are subsequently stronger: A potential pre-clinical behavioral model of psychosis
Honsberger MJ, Taylor JR, Corlett PR. Memories reactivated under ketamine are subsequently stronger: A potential pre-clinical behavioral model of psychosis. Schizophrenia Research 2015, 164: 227-233. PMID: 25728834, PMCID: PMC4409515, DOI: 10.1016/j.schres.2015.02.009.Peer-Reviewed Original ResearchConceptsAberrant prediction errorsShort-term memoryMemory reactivationMemory reconsolidationMemory strengthRelated memoriesContextual memoryDelusional beliefsPrediction errorNMDA antagonist ketamineMemorySystemic ketamineSub-anesthetic dosesHuman subjectsBehavioral modelEnhanced destabilizationBeliefsReconsolidationRodent modelsDelusionsPsychosisSubjectsPrior inhibitionError
2013
Is Attention Based on Spatial Contextual Memory Preferentially Guided by Low Spatial Frequency Signals?
Patai E, Buckley A, Nobre A. Is Attention Based on Spatial Contextual Memory Preferentially Guided by Low Spatial Frequency Signals? PLOS ONE 2013, 8: e65601. PMID: 23776509, PMCID: PMC3679178, DOI: 10.1371/journal.pone.0065601.Peer-Reviewed Original ResearchConceptsLow-spatial frequenciesContextual memoryAttentional orienting taskMemory-guided attentionPerceptual discrimination taskOrienting of attentionVentral visual streamMedial temporal areasAmbiguous visual stimuliLower spatial frequency signalsFrequency versionBias attentionMemory cuesSpatial memoryPerceptual discriminationAttentional benefitsDiscrimination taskTarget stimuliDorsal streamOrientation taskVisual streamTemporal areaVisual stimuliFrequency cuesMemoryReward Associations Magnify Memory-based Biases on Perception
Doallo S, Patai E, Nobre A. Reward Associations Magnify Memory-based Biases on Perception. Journal Of Cognitive Neuroscience 2013, 25: 245-257. PMID: 23066690, DOI: 10.1162/jocn_a_00314.Peer-Reviewed Original ResearchConceptsReward outcomesNeural processesEarly perceptual stageMemory-guided attentionEffect of spatial memoryLocations of relevant objectsContextual memoryPerceptual stageSpatial memoryBehavioral measuresBrain activityRecordings of brain activityRewardOptimal perceptionMemoryImpact perceptionsRelevant objectsTarget objectPerceptionBiasComplex scenesDiscriminationOutcomesSource of predictabilityComplex environments
2003
Implicit, Long-Term Spatial Contextual Memory
Chun M, Jiang Y. Implicit, Long-Term Spatial Contextual Memory. Journal Of Experimental Psychology Learning Memory And Cognition 2003, 29: 224-234. PMID: 12696811, DOI: 10.1037/0278-7393.29.2.224.Peer-Reviewed Original ResearchConceptsContextual cuingMemory tracesMedial temporal lobe systemSpatial contextual memoryTemporal lobe systemNovel spatial configurationsSpatial contextConscious retrievalConscious memoryImplicit processesNeural substratesVisual searchRecognition testContextual memoryVisual contextExplicit instructionLearning taskExperiment 3Lobe systemExperiment 1Experiment 2Contextual learningCuingMemoryLearning
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