자료유형
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본문검색 결과만 보기
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Predicting Working Memory Capacity in Older Subjects Using Quantitative Electroencephalography
Jae Hyuk Shin, Kyungun Jhung, Jae Seok Heo, Suk Kyoon An, Jin Young Park 대한신경정신의학회 Psychiatry Investigation 6 Pages
대한신경정신의학회 Psychiatry Investigation 2018, 제 15권 제 8호 7 790-795 (6 pages)
with presenile and senile dementia of the Alzheimer type. Ann Neu- rol1984;16:439-448. 24. Nobili F, Copello F, Vitali P, Prastaro T, Carozzo S, Perego G, et al. Timing of disease progression by quantitative EEG in Alzheimer’s pa- tients. J ClinNeurophysiol 1999;16:566-573. 25. Soininen H, Partanen V, Helkala EL, Riekkinen P. EEG fndings in se- nile dementia and normal aging. Acta Neurol Scand... of the Support Vector Machine was evaluated using a 5-fold cross-validation and area under the curve values of 70.15% and 74.06% were achieved for the letter numbering task and the spatial span task. Conclusion_In this study, reliable results for classification accuracy and specificity were achieved. These findings provide an example of a novel method for parameter analysis, feature extraction, training, and testing the cognitive function of elderly subjects based on a quantitative EEG signal. -
Microglial involvement in the development of olfactory dysfunction
Yoojin Seo, Hyung-Sik Kim, Kyung-Sun Kang 대한수의학회 Journal of Veterinary Science 12 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 3호 1 319-330 (12 pages)
neurons [40,88]. Autopsy and brain imaging have revealed gradual atrophy of the OB accompanied by the loss of olfactory nerve fibers with aging [17,25]. Similarly, functional MRI and electroencephalography recordings have demonstrated a neurodegeneration-associated decline in olfactory responsiveness with decreased neural activity in patients [13,27,28,69,99]. Some researchers have suggested... Olfactory impairment is the most common clinical manifestation among the elderly, and its prevalence increases sharply with age. Notably, growing evidence has shown that olfactory dysfunction is the first sign of neurodegeneration, indicating the importance of olfactory assessment an early marker in the diagnosis of neurological disorders. In this review, we describe the nature of olfactory dysfunction and the advantage of using animal models in olfaction study, and we include a brief... -
완전정맥마취와 휘발성유도/유지마취에서 정량적 뇌파를 이용한 마취심도의 감시
이수한, 노규정, 정병현 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 9 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2006, 제 46권 제 1호 8 47-55 (9 pages)
and Therapeutics, Asan Medical Center, University of Ulsan College of Medicine, Seoul 138-736, Korea (Accepted: January 3, 2006) Abstract :To evaluate method for monitoring anesthetic depth with quantitative electroencephalography (q-EEG), we recorded processed EEG (raw EEG) and pain score till 100 minutes in beagle dogs anesthetized for 60 minutes with propofol (n = 5, PRO group), isoflurane (n =... -
The Effects of Tramadol on Electroencephalographic Spectral Parameters and Analgesia in Rats
Hwan-SooJang, Il-SungJang, Maan-GeeLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2010, Vol.14 No.3 12 191-198 (8 pages)
Vet J. 2007;55:152-157. 33. Itamoto K, Taura Y, Wada N, Takuma T, Une S, Nakaichi M, Hikasa Y. Quantitative electroencephalography of medetomidine, medetomidine-midazolam and medetomidine-midazolam-butor- phanol in dogs. J Vet Med A Physiol Pathol Clin Med. 2002; 49:169-172. 34. Haga HA, Dolvik NI. Electroencephalographic and cardiova- scular variables as nociceptive indicators in isoflurane-... The effects of different doses of tramadol on analgesia and electroencephalographic (EEG) spectral parameters were compared in rats. Saline or tramadol 5, 10, 20 or 40 mg/kg was administered. The degree of analgesia was evaluated by tail-flick latency, and the degree of seizure was measured using numerical seizure score (NSS). Additionally, band powers, median power frequency and spectral edge frequency 95 were measured to quantify the EEG response. All doses of tramadol produced spike-wave... -
Differential Effects of Typical and Atypical Antipsychotics on MK- 801-induced EEG Changes in Rats
JeeSookKwon, KiMinKim, SuMinChang, Choong-YoungKim, TaiHoChung, Byung-JuChoi, MaanGeeLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.1 3 17-22 (6 pages)
brain struc- tures in the immobilized rat (stereo-EEG). Neuropsychobiology 14: 157-164, 1985 Dimpfel W, Spuler M, Wessel K. Different neuroleptics show common dose and time dependent effects in quantitative field potential analysis in freely moving rats. Psychopharmacology (Berl) 107: 195-202, 1992 Goudie AJ, Smith JA. Discriminative stimulus properties of anti- psychotics. Pharmacol Biochem... We examined whether the abnormal EEG state by NMDA receptor blocker MK-801 can be reversed by typical and atypical antipsychotics differentially by comparing their spectral profiles after drug treatment in rats. The spectral profiles produced by typical antipsychotics chlorpromazine (5 mg/kg, i.p.) and haloperidol (0.5 mg/kg, i.p.) were differ from that by atypical antipsychotic clozapine (5 mg/kg, i.p.) in the rats treated with or without MK-801 treatment (0.2 mg/kg, i.p.) which produce... -
Electroencephalographic Correlation Dimension Changes with Depth of Halothane
MaanGeeLee, EunJuPark, JungMeeChoi, MoonHanYoon 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.5 5 491-499 (9 pages)
Closed-loop feed back control of methohexital anesthesia by quatitative EEG analysis in humans. Anesthιsiology 67: 341-347， 1987 Sidi A， Halimi P， Cotev S. Estimating anesthetic depth by electroencephalography during anesthetic induction and intubation in patients undergoing cardiac surgery J Cun Anesth 2: 101-107， 1990 Skarda CA， Freeman W J. How brains make chaos in order to make... This study was designed to evaluate the efficacy of dynamic parameters, such as correlation dimension D2, by comparing spectral electroencephalographic (EEG) parameters. These parameters are used to estimate the depth of halothane anesthesia as defined by the presence of body movement in response to a tail clamp. Six rats were used and each of them was exposed to halothane sequentially at the concentrations of 0%, 0.5%, 1.0% and 1.5% for 30 min. A tail clamp was applied every five min and the... -
Electroencephalographic Effects of Chlorpromazine in Rats
JeongEYunMaanGeeLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.3 2 245-250 (6 pages)
Then， the authors discussed whether the EEG effects produced by a drug are associated with the accompanying behavioral changes specifically. Key Words: Antipsychotic， Chlorpromazine， Electroencephalography， EEG， Power， Spectrum， Rat INTRODUCTION The beginnings of quantitative evaluations of the EEG in the human date back the 1930s， but com parable animal studies have been rare.... The effects of an antipsychotic, chlorpromazine, on the electroencephalogram (EEG) were observed while rats were awake but immobile. The time course and the dose-dependency of the EEG changes were examined. The method of the power spectrum analysis was used to examine the EEG changes by the drug. The bands were divided into delta (1∼3.5 Hz), theta (3.5∼8 Hz), alpha (8∼13 Hz), beta1 (13∼21 Hz), beta2 (21∼30 Hz) and gamma (30∼50 Hz). In rats, the low dose of chlropromazine (1 mg/kg, i.p.)...