• 제목/요약/키워드: Behavioral sciences

검색결과 554건 처리시간 0.033초

Antinociceptive and anti-inflammatory activities of Pandanus fascicularis Lamk. leaves in animal models

  • Panda, Prabhudutta;Panda, DP;Panda, PK;Nayak, SS
    • Advances in Traditional Medicine
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    • 제7권5호
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    • pp.485-493
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    • 2008
  • The present study was carried out to elucidate the potential of, chloroform extract of Pandanus (P.) fascicularis Lamk (Family-Pandanaceae) leaves on antinociceptive, behavioral study and anti-inflammatory effects using various animal models The dried, powdered leaves of, P. fascicularis were extracted successively with petroleum ether ($60\;-\;80^{\circ}C$) and chloroform in soxhlet apparatus. The chloroform extract (yield 21.6% w/w with respected to dry powdered plant material) was selected for all experimental procedure. Two models were employed to investigate the effects on nociception, the tail immersion and hot plate method in Swiss albino mice and anti inflammatory effect were investigated by employing the carrageenan induced rat paw edema test in. adult Wister albino rats. Behavioral study was investigated by elevated plus maze method in Swiss albino mice. Results were revealed that the PFCE was found significant antinociceptive effect (P < 0.001) at the dose levels of 100, 200 and 400 mg/kg, orally in mice and produced remarkable antiinflammatory effect (P < 0.001) at the same dose levels used in the rats. Behavioral study of the PFCE has no significant anxiolysis effect when used orally. It concludes that, PFCE possessed remarkable antinociceptive effect and anti-inflammatory effect but no anxiolytic effect on animal models.

BE(2)-M17 및 BE(2)-C 신경모세포종에서 Corticotropin-Releasing Factor에 대한 신호전달자극들의 효과 (Effects of Various Stimuli on Corticotropin-Releasing Factor in the Human Neuroblastoma Clones)

  • 한진희;;이성필
    • 생물정신의학
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    • 제2권2호
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    • pp.252-256
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    • 1995
  • Corticotropin-releasing factor(CRF)를 분비하는 배양세포주는 CRF의 세포내 조절을 연구하는데 있어 훌륭한 체계가 된다. BE(2)-M17 및 BE(2)-C 세포주는 CRF를 생산하고 분비하며 forskolin 처치에 반응하는 것으로 알려져 있다. 저자들은 이들 세포주에 phorbol 에스테르, 즉 phorbol 12-myristate 13-acetate(TPA) 0.8, 4, 10, 20 nM, 및 nitric oxide(NO)의 신호전달 경로의 자극제(1-${\mu}M$ nitroprusside)와 차단제($1{\mu}M$ nitroprusside+$300{\mu}M$ $N^G$-methyl-D-arginine), 그리고 interleukin-$1{\alpha}$ (IL $1{\alpha}$ ; 4, 20, 100, 500 pM)를 처치하여 CRF를 의미있게 증가시켰으나 세포외 분비는 C 세포에서만 변화되었다. NOS계의 자극제와 차단제는 C 세포의 forskolin 효과를 의미있게 변화시켰다. IL$1{\alpha}$는 두 세포주에 대한 영향이 없었다. 상기 제제들에 대한 이들 세포의 반응이 중추신경계 CRF 신경들과 관련하여 논의되었다.

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Social Isolation Selectively Increases Anxiety in Mice without Affecting Depression-like Behavior

  • Kwak, Chul-Jung;Lee, Sue-Hyun;Kaang, Bong-Kiun
    • The Korean Journal of Physiology and Pharmacology
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    • 제13권5호
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    • pp.357-360
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    • 2009
  • It is hypothesized that a number of environmental factors affect animals' behavior. Without controlling these variables, it is very hard for researchers to get not only reliable, but replicable data from various behavioral experiments testing animals' cognitive as well as emotional functions. For example, laboratory mice which had restricted environment showed different synaptic potentiation properties with wild mice (Zhao MG et al., 2009). While performing behavioral experiments, however, it is sometimes inevitable that the researcher changes the animals' environments, as by switching the cages in which experimental animals are housed and separating animals raised together into small experimental groups. In this study, we investigated the effect of environmental changes on mice's emotional behaviors by socially isolating them or reducing the size of their cage. We found that social isolation selectively increases the animals' levels of anxiety, while leaving depression-like behaviors unchanged. On the other hand, alteration of the housing dimensions affected neither their anxiety levels nor their depression-like behaviors. These results suggest that environmental variables may have a prominent impact on experimental animals' emotional behaviors and possibly their psychological states, leading to bias in the behavioral data produced from experiments.

인지행동적 집단상담이 집단따돌림 피해학생의 자아존중감과 대인기술에 미치는 효과 (Effects of Cognitive-behavioral Group Counselling on the Self-esteem and Interpersonal Skills of School Bullying Victims)

  • 권효진;강영심;김재은
    • 수산해양교육연구
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    • 제20권1호
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    • pp.46-57
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    • 2008
  • In an attempt to help improve school bullying victims' self-esteem and interpersonal skills, this study explored the effects of a cognitive-behavioral group counselling program on the victims. The subjects of this study were six middle school female students who were identified as bullying victims by their teachers. They had T-scores of 65 or more on one or more scales in the MMPI-A. The cognitive-behavioral group counselling program was developed to improve their self-esteem and interpersonal skills and was administered twice a week from November 28 to December 30, 2005, totalling ten occasions. Major findings of the study include the following: First, there was a significant difference in self-esteem between pre- and post-tests. All the scores on six tests given on a period-by-period basis showed significant changes at the significance level of 0.1%. Secondly, there was a significant difference in interpersonal skills between pre- and post-tests at the level of 5%. All the scores on six tests given on a period-by-period basis also showed significant changes at the significance level of 0.1%. These findings demonstrate that cognitive-behavioral group counselling is effective in improving school bullying victims' self-esteem and interpersonal skills.

소방공무원에서 탄력성이 외상후스트레스 증상과 해리에 미치는 영향 : 우울의 매개 효과 (Depression as a Mediator of the Relationship Between Resilience and Posttraumatic Stress Symptoms and Dissociation in Firefighters)

  • 권태훈;현소연;정영기;임기영;노재성;강대용;하귀염;김남희
    • 정신신체의학
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    • 제24권1호
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    • pp.109-116
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    • 2016
  • 연구목적 본 연구는 소방공무원에서 탄력성이 외상후스트레스 증상 및 해리에 미치는 영향과 함께, 탄력성과 각 외상후스트레스 증상 및 해리의 관계에서 우울의 매개효과에 대해서 알아보고자 하였다. 방 법 총 115명의 소방공무원을 대상으로, 생활사건 체크리스트, 사건충격척도-개정판, 해리경험척도, 벡 우울척도, 코너-데이비슨 탄력성 척도를 시행하였다. 탄력성이 외상후스트레스 증상과 해리에 미치는 영향 및 우울의 매개효과를 확인하기 위해 구조방정식모형(Structural equation modeling)과 경로분석(path analysis)을 실시하였다. 결 과 탄력성이 높을수록 낮은 외상후스트레스 증상과 낮은 해리를 보였으며, 각 탄력성과 외상후스트레스 증상 및 해리의 관계는 우울이 완전 매개를 하는 것으로 나타났다. 즉, 탄력성이 외상후스트레스 증상 및 해리에 대해 직접적인 영향이 아닌 우울을 통해 간접적으로 각 증상을 감소시킴을 보여주었다. 결 론 본 연구는 소방공무원에서 외상후스트레스 증상 및 해리의 예방과 치료에 있어 탄력성 강화와 우울 증상 감소를 목표로 한 임상적 개입이 중요함을 시사한다.

Effect of Education on Knowledge, Attitude and Behavioral Intention in Family Relative with Colorectal Cancer Patients Based on Theory of Planned Behavior

  • Baghianimoghadam, Mohammad Hosein;Ardakani, Mojtaba Fattahi;Akhoundi, Mohsen;Mortazavizadeh, Mohammad Reza;Fallahzadeh, Mohammad Hosein;Baghianimoghadam, Behnam
    • Asian Pacific Journal of Cancer Prevention
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    • 제13권12호
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    • pp.5995-5998
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    • 2012
  • Background: Colorectal cancer is one of most common cancers in women and men and one of the major causes of death due to neoplasia. Colonoscopy is considered as the most accurate diagnostic procedure to detect colorectal cancer at the earlier stages. Objectives: The current study aimed to evaluate the effects of an education program using the Theory of Planned Behavior on promoting behavioral intention among first degree relatives of colorectal cancer patients. Materials and Methods: A quasi-experimental study conducted to evaluate the effectiveness of an educational program to promote attitudinal factors associated with early detection of colorectal cancer in 99 first degree relatives of colorectal cancer patients aged more than 20 years in Yazd city, Iran. A researcher made questionnaire forwhich validity and reliability were confirmed by expert point of view and pilot testing was employed for data collection. Questionnaires were filled in before and after educational intervention. The registered data were transferred to SPSS 19 and analyzed by paired T-test, Man-Whitney and Wilcaxon. Results: Mean scores of knowledge, attitude, perceived behavioral control and intention regarding colorectal cancer increased after education significantly (P<0.05). Conclusions: Application of the Theory of Planned Behavior has positive influence on promoting intention behavior. It is therefore recommended to apply educational programs to promote behavioral intention.

The role of diuretic hormones (DHs) and their receptors in Drosophila

  • Gahbien Lee;Heejin Jang;Yangkyun Oh
    • BMB Reports
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    • 제56권4호
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    • pp.209-215
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    • 2023
  • Maintaining internal homeostasis and regulating innate behaviors are essential for animal survival. In various animal species, a highly conserved neuroendocrine system integrates sensory inputs and regulates physiological responses to environmental and internal changes. Diuretic hormones 44 and 31, which are homologs of mammalian corticotropin-releasing factor (CRF) and calcitonin gene-related peptide (CGRP), respectively, control body fluid secretion in Drosophila. These neuropeptides and their receptors have multiple physiological roles, including the regulation of body-fluid secretion, sleep:wake cycle, internal nutrient-sensing, and CO2-dependent response. This review discusses the physiological and behavioral roles of DH44 and DH31 signaling pathways, consisting of neuroendocrine cells that secrete DH44 or DH31 peptides and their receptor-expressing organs. Further research is needed to understand the regulatory mechanisms of the behavioral processes mediated by these neuroendocrine systems.

정신약리학(精神藥理學)의 연구방법(硏究方法)의 제문제(諸問題) (Methodological Issues in Psychopharmacology)

  • 장현갑
    • 생약학회지
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    • 제8권4호
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    • pp.139-148
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    • 1977
  • It is the purpose of this article to present a brief and systematical behavioral methods in recent developed behavioral pharmacology. Specifically, the present review has been organized around three major topics reflecting both current research emphasis in behavioral pharmacology and methodological applications to the study of psychopharmacological actions of crude drug or herb medicine. The first major topic focuses upon the appropriate experimental design especially in the study of psychopharmacology. A large number of factors should be controlled to have a bearing on design of studies reflecting to psychological effects of drugs. The second section presents several recent methodological developments in behavioral pharmacology involving Turner's screening methods and several types of conditioning techniques. The last section calls specific attention to the observation of behavioral development processes in relation to the activity of pharmacological agents and emphasizes critical period of drug treatment.

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환청에 대한 인지행동반응 (Cognitive-Behavioral Response to Auditory Hallucinations)

  • 정영철;은홍배;황익근;정상근;김영현
    • 생물정신의학
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    • 제3권2호
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    • pp.295-301
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    • 1996
  • 환청을 보이는 정신분열증 환자 27명을 대상으로 환청의 특성(주체, 내용, 환청에 대한 이해, 환청의 심한 정도), 환청에 대한 인지행동반응의 내용 및 그 빈도, good/fair copers와 poor copers의 환청의 특성 및 인지행동반응의 비교, 세가지 변인에 따른 인지행동반응의 차이를 살펴봄으로서 다음과 같은 결과를 얻었다. 1) 환청의 주체는 모르는 사람, 내용은 박해적인 것, 감정반응은 부정적인 것과 혼합된 것, 그리고 환청에 대한 이해는 정신역동적인 것이 가장 많았다. 2) 환청에 대한 반응중 가장 많이 사용된 인지반응은 억압, 무시와 같은 건강한 반응이었으며 가장 많이 사용된 행동반응은 생리적 각성을 증가시키는 반응이었다. 3) Good/fair copers 의 특징은 poor copers에 비하여 환청의 정도가 경하고 또 환청에 대한 병식이 있는 사람들이 많다는 것이었으며 인지행동반응에 있어서도 무반응이나 몰두와 같은 건강치 못한 인지반응과 탐닉이나 증상적 행동과 같은 건강치 못한 행동반응은 훨씬 적게, 그리고 생리적 각성을 증가시키는 건강한 행동반응은 훨씬 많이 사용하고 있었다. 4) 세가지 변인 중에서 환청에 대한 병식유무가 인지행동반응의 차이를 결정 짖는 가장 중요한 요인임을 시사 받을 수 있었다. 상기 결과는 환청을 경험하는 정신분열증 환자들이 단순히 피해자로서 수동적으로 머물러 있는 것이 아니라 이질적이고 침투적인 현상을 나름대로 받아들이고 극복하기 위하여 다양한 대응방식을 보이게 되며 이와 같은 대응방식의 형태 및 그 빈도를 결정짖는 중요한 요인이 환청에 대한 이해일 수 있음을 시사해 주고 있다.

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