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Electrophysiological Changes Related to Childhood Trauma in Patients with Major Depressive Disorder: An Event-related Potential Study

Heo IS, Kwon YJ, Lee HY, Lee HS, Yoon HJ, Shim SH, Kim JS

Objective: Childhood trauma is the most important environmental factor for several psychiatric disorders. Depressed patients with childhood trauma appear to have severe symptoms that frequently recur. This study investigated whether...
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What Event-Related Potential Tells Us about Brain Function: Child-Adolescent Psychiatric Perspectives

Kim JS, Lee YJ, Shim SH

Electroencephalography (EEG) measures neural activation due to various cognitive processes. EEG and event-related potentials (ERPs) are widely used in studies investigating psychopathology and neural substrates of psychiatric diseases in children...
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Association of Circulating Brain-Derived Neurotrophic Factor with Cognition among Adult Obese Population

Katuri RB, Gaur GS, Sahoo JP, Bobby Z, Shanmugavel K

Background: Obesity has a strong association with the risk of developing cognitive impairment and dementia at a later age. Brain-derived neurotrophic factor (BDNF) and its receptor appear to be important...
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Auditory Function Testing for Types of Dementia: Systematic Reviews and Meta-Analysis

Park S, Han W, Kong TH, Seo YJ, Han J, Kim TH

It is acknowledged that there is a negative relationship between dementia and auditory function in older adults. This study conducted a systematic review and meta-analysis based on the data of...
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Inattention in Bipolar and Unipolar Depression: Event-Related Potentials Associated with Performing a GoNogo Task

Lee YS, Kwon YJ, Lee HY, Kim JS, Shim SH

Background: This study aimed to examine the changes in Nogo N2 and P3 amplitudes in patients with bipolar affective disorder (BD) or major depressive disorder (MDD) and in healthy controls...
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Electroencephalography and Schizophrenia

Lee SH

Electroencephalography (EEG) and event-related potentials (ERPs) are useful measures of information processing that are believed to reflect the cognitive processing of the brain. Recently, these electrophysiological markers have been studied...
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An Event-related Potential Study of Error-monitoring Deficits in Female College Students Who Participate in Binge Drinking

Kim EH, Kim MS

OBJECTIVE: This study investigated error-monitoring deficits in female college students with binge drinking (BD) using event-related potentials (ERPs) and the modified Flanker task. METHODS: Participants were categorized into BD (n=25) and...
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The Assessment of Eyewitness Memory Using Electroencephalogram: Application of Machine Learning Algorithm

Ham K, Kim KP, Jeong H, Yoo SH

This study was conducted to investigate whether memory accuracy can be assessed by analyzing electrophysiological responses (i.e., electroencephalography [EEG]) for retrieval cues related to the witnessed scene. Specifically, we examined...
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Deficits in Verbal Working Memory among College Students with Attention-Deficit/Hyperactivity Disorder Traits: An Event-related Potential Study

Kim S, Kim MS

OBJECTIVE: This study investigated verbal working memory in college students with traits of attention-deficit/hyperactivity disorder (ADHD) using event-related potentials and the 2-back task. METHODS: Based on scores on the Adult ADHD...
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Estimation of Eyewitness Identification Accuracy by Event-Related Potentials

Ham K, Pyo C, Jang T, Yoo SH

We investigated event-related potentials (ERPs) to estimate the accuracy of eyewitness memories. Participants watched videos of vehicles being driven dangerously, from an anti-impaired driving initiative. The four-letter license plates of...
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Experimental Set Up of P300 Based Brain Computer Interface Using a Bioamplifier and BCI2000 System for Patients with Spinal Cord Injury

Jeon H, Shin DA

OBJECTIVE: Brain computer interface (BCI) is one of the most promising technologies for helping people with neurological disorders. Most current BCI systems are relatively expensive and difficult to set up....
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Contingent Negative Variation Is Associated with Cognitive Dysfunction and Secondary Progressive Disease Course in Multiple Sclerosis

Uysal U, Idiman F, Idiman E, Ozakbas S, Karakas S, Bruce J

BACKGROUND AND PURPOSE: The relationship between contingent negative variation (CNV), which is an event-related potential, and cognition in multiple sclerosis (MS) has not been examined previously. The primary objective of...
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The Assessment of Reliability of Cognitive Evoked Potential in Normal Person

Hong JS, Lee JH, Yoon YH, Choi JH, Shin JE, Kim SM, Park YG

OBJECTIVE: To evaluate intra-tester reliability of P300 more precisely, this study was designed. Event-related potential (ERP) is the result of endogenous brain response following cognitive stimulus. The P300 component of...
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Reduced Frontal P3a Amplitude in Migraine Patients during the Pain-Free Period

Koo YS, Ko D, Lee GT, Oh K, Kim MS, Kim KH, Im CH, Jung KY

BACKGROUND AND PURPOSE: Neuropsychological and neuroimaging studies both suggest that frontal lobe dysfunction is present in migraineurs. Since P3a abnormalities manifest in other diseases associated with attention problems, such as...
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Event-Related Potentials During the Visual Go/NoGo Task in Drug-Naive Boys with Attention-Deficit/Hyperactivity Disorder

Kim K, Lee J, Park S, Hong JP, Kim SY, Yoo HK

  • KMID: 2291712
  • J Korean Acad Child Adolesc Psychiatry.
  • 2009 Jun;20(2):61-67.
OBJECTIVES: The purpose of this study was to examine the performance and electrophysiological characteristics of drug-naive children with attention-deficit/hyperactivity disorder (ADHD) during the Go/NoGo task. METHODS: Twenty-three boys with ADHD and...
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Cognitive Dysfunctions in Patients With Severe Obstructive Sleep Apnea Syndrome: Neuropsychological Test and Event-Related Potential Study

Lee DK, Park HJ, Kim SH, Cho JW, Joo EY, Jung KY, Hong SB

  • KMID: 2343327
  • J Korean Neurol Assoc.
  • 2008 Nov;26(4):333-340.
BACKGROUND: Patients with obstructive sleep apnea syndrome (OSAS) show variety of dysfunctions in cognitions including general cognitive function, attention, and frontal lobe and executive function. However, there is no consensus...
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Psychiatric Implications of Error-Related Negativity: Focused on Symptom Severity and Medication Response

Kim EY, Lee SH

  • KMID: 2287436
  • Korean J Psychopharmacol.
  • 2008 Jan;19(1):19-28.
Error-related negativity (ERN) is a wave, called a component that occurs in an EEG recording when a person detects an error. More specifically, ERN is an average response that follows...
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Contingent Negative Variation of Pre- and Post-Hemodialysis in Patient with End Stage Renal Disease

Bae JS, Yoon SJ, Kim BJ, Bae JC, Go SM, Park SS, Ahn JY, Kim MK

  • KMID: 1636110
  • J Korean Neurol Assoc.
  • 2006 Dec;24(6):550-556.
BACKGROUND: The contingent negative variation (CNV) reflects neuronal activities related to sensorimotor integration and motor planning or execution and is probably originated from the frontal-subcortical circuit. The aim of this...
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Auditory P300 Event-Related Potentials in Fibromyalgia Patients

Yoldas T, Ozgocmen S, Yildizhan , Yigiter R, Ulvi H, Ardicoglu

This study assessed the cognitive brain function measured by the cognitive P300 auditory event-related potentials (ERPs) in female fibromyalgia (FM) patients and compared the results with those from healthy age...
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Effect of Antiepileptic Drugs on Cognitive Evoked Potentials in Epileptic Patients

Kim KS, Yoo BG, Yoo KM

  • KMID: 2333379
  • J Korean Epilepsy Soc.
  • 2002 Jun;6(1):27-31.
BACKGROUND: Epilepsy and antiepileptic drugs may be associated with cognitive dysfunction. P300 event-related potentials have been used to assess cognitive function. In this study we investigated the effect of antiepileptic...
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