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Spatial Learning and Memory Using a Radial Arm Maze with a Head-Mounted Display

Kim H, Park JY, Kim K(

OBJECTIVE: A radial arm maze (RAM) is an essential tool for assessing spatial learning and memory. Although this tool is widely used to study deficits in spatial memory in animal...
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Identification of Vestibular Organ Originated Information on Spatial Memory in Mice

Han GC, Kim M, Kim MJ

OBJECTIVES: We aimed to study the role of vestibular input on spatial memory performance in mice that had undergone bilateral surgical labyrinthectomy, semicircular canal (SCC) occlusion and 4G hypergravity exposure. METHODS:...
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Linalool Ameliorates Memory Loss and Behavioral Impairment Induced by REM-Sleep Deprivation through the Serotonergic Pathway

Lee BK, Jung AN, Jung YS

Rapid eye movement (REM) sleep has an essential role in the process of learning and memory in the hippocampus. It has been reported that linalool, a major component of Lavandula...
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Effects of (−)-Sesamin on Memory Deficits in MPTP-lesioned Mouse Model of Parkinson's Disease

Zhao TT, Shin KS, Lee MK

This study investigated the effects of (−)-sesamin on memory deficits in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-lesioned mouse model of Parkinson's disease (PD). MPTP lesion (30 mg/kg/day, 5 days) in mice showed memory deficits...
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Differential Effects of Pentoxifylline on Learning and Memory Impairment Induced by Hypoxic-ischemic Brain Injury in Rats

Halis H, Bitiktaş , Baştuğ O, Tan B, Kavraal S, Güneş T, Süer C

OBJECTIVE: Hypoxic-ischemic (HI) brain injury in the human perinatal period often leads to significant long-term neurobehavioral dysfunction in the cognitive and sensory-motor domains. Using a neonatal HI injury model (unilateral...
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Effect of Ghrelin on Memory Impairment in a Rat Model of Vascular Dementia

Park JM, Kim YJ

PURPOSE: The purpose of this study was to identify the effect of ghrelin on memory impairment in a rat model of vascular dementia induced by chronic cerebral hypoperfusion. METHODS: Randomized controlled...
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Effects of Chronic and Acute Lithium Treatment on the Long-term Potentiation and Spatial Memory in Adult Rats

Yousef M, Kavraal Å, Artış AS, Süer C

OBJECTIVE: Although, accumulating evidence is delineating a neuroprotective and neurotrophic role for lithium (Li), inconsistent findings have also been reported in human studies especially. Moreover, the effects of Li infusion...
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Pre-Mild Cognitive Impairment: Can Visual Memory Predict Who Rapidly Convert to Mild Cognitive Impairment?

Seo EH, Kim H, Choi KY, Lee KH, Choo IH

OBJECTIVE: Little is known about the natural course of pre-mild cognitive impairment (pre-MCI) and predictors to MCI. We followed-up individuals with pre-MCI and cognitively normal (CN) elders to identify neuropsychological...
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Segregated Cell Populations Enable Distinct Parallel Encoding within the Radial Axis of the CA1 Pyramidal Layer

Geiller T, Royer S, Choi JS

Numerous studies have implicated the hippocampus in the encoding and storage of declarative and spatial memories. Several models have considered the hippocampus and its distinct subfields to contain homogeneous pyramidal...
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Long-term Surgical and Chemical Castration Deteriorates Memory Function Through Downregulation of PKA/CREB/BDNF and c-Raf/MEK/ERK Pathways in Hippocampus

Shin MS, Kim TW, Park SS, Ko IG, Kim CJ, Kim M, Roh SY, Kim KT, Kim KH

PURPOSE: Goserelin is a drug used for chemical castration. In a rat model, we investigated whether surgical and chemical castration affected memory ability through the protein kinase A (PKA)/cyclic adenosine...
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Exploratory, cognitive, and depressive-like behaviors in adult and pediatric mice exposed to controlled cortical impact

Lee SW, Jang MS, Jeong SH, Kim H

OBJECTIVE: Sequelae of behavioral impairments associated with human traumatic brain injury (TBI) include neurobehavioral problems. We compared exploratory, cognitive, and depressive-like behaviors in pediatric and adult male mice exposed to...
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Differential Effects of Olanzapine and Haloperidol on MK-801-induced Memory Impairment in Mice

Song JC, Seo MK, Park SW, Lee JG, Kim YH

OBJECTIVE: We investigated the differential effects of the antipsychotic drugs olanzapine and haloperidol on MK-801-induced memory impairment and neurogenesis in mice. METHODS: MK-801 (0.1 mg/kg) was administered 20 minutes prior to...
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Dehydroevodiamine·HCl enhances cognitive function in memory-impaired rat models

Shin KY, Kim KY, Suh YH

Progressive memory impairment such as that associated with depression, stroke, and Alzheimer's disease (AD) can interfere with daily life. In particular, AD, which is a progressive neurodegenerative disorder, prominently features...
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Effect of Environmental Enrichment on Cognitive Impairment-induced by Ethanol Exposure in Adolescent Rat

Kim YJ, Park JM, Song MK, Seong HH, Kim YJ

PURPOSE: Adolescents who experienced the alcohol consumption have gradually increased. Adolescence is a critical period of the neural plasticity in the brain. Neural plasticity is mediated by neurotrophins and has...
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miR-34a Inhibitor May Effectively Protect against Sevoflurane-Induced Hippocampal Apoptosis through the Wnt/β-Catenin Pathway by Targeting Wnt1

Zhao X, Sun Y, Ding Y, Zhang J, Li K

PURPOSE: Research has shown that sevoflurane-induced toxicity causes neurodegeneration in the developing brain. miR-34a has been found to negatively regulate ketamine-induced hippocampal apoptosis and memory impairment. However, the role of...
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Theracurmin Ameliorates Cognitive Dysfunctions in 5XFAD Mice by Improving Synaptic Function and Mitigating Oxidative Stress

Kim J, Kim J, Huang Z, Goo N, Bae HJ, Jeong Y, Park HJ, Cai M, Cho K, Jung SY, Bae SK, Ryu JH

As the elderly population is increasing, Alzheimer's disease (AD) has become a global issue and many clinical trials have been conducted to evaluate treatments for AD. As these clinical trials...
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Histopathological and Neurobehavioral Characterization in Adult Mice Exposed to Traumatic Brain Injury

Oh KY, Choi DW, Jang MS, Lee JH, Kim SC, Park JS, Lee SW, Kim H

PURPOSE: Traumatic brain injury (TBI) is a significant cause of morbidity and mortality worldwide. Severity of the initial insult is one of the most significant factors affecting outcome following TBI....
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