Integrative functions of recognition, emotion, memory, and behavior in the limbic system
边缘系统识别、情感、记忆和行为的综合功能
基本信息
- 批准号:11308033
- 负责人:
- 金额:$ 24.06万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (A)
- 财政年份:1999
- 资助国家:日本
- 起止时间:1999 至 2001
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
1.Neural mechanisms of emotion in the limbic systemNeuronal activity in the anterior cingulate cortex (AC), amygdala (AM), and posterior thalamus (PT) of rats was recorded during discrimination of conditioned sensory stimuli associated with and without reward aiid aversion. In the AC, differential conditioned stimulus-related neurons were located mainly in the rostral and ventral part of the AC. The other AC neurons responded mainly during ICSS and/or ingestion of sucrose (ingestion/ICSS-related neurons), and were located in a more posterior part of the AC. In the AM, most neurons had multimodal responsiveness, and were differential to the conditioned stimuli. These AM neurons were located mainly in the basolateral nucleus of the AM. The PT (nonprimary thalamic) neurons displayed 2 types of responses; the early phasic responses dependent on the sensory modality, and the late responses that gradually increased, and peaked just prior to reward delivery. The results suggest that single th … More alamic neurons can code for the acquired significance of sensory stimuli in the early responses (retrospective coding) and predict upcoming reward value in the late responses (prospective coding).2. Neural mechanisms of spatial navigationNneuronal activity was recorded from the lateral septal nuclei, hippocampal formation (HP), and nucleus of accumbens (NAC) of monkeys, rats, and mice while animals freely navigated in the experimental field to acquire reward. The results suggest that; 1) the lateral septal nuclei are involved in integration of space, inertial sensation and reward, 2) although activity in both the HF and NAC was correlated with spatial parameters, the NAC neurons were more likely to respond to reward, while the firing of the HF neurons was more closely tied to spatial parameters, 3) some pairs of HF neurons displayed task-dependent place fields where activity increased in specific area in the experimental field, and task-dependent cross-correlation.3. Neural mechanisms of recognition of a faceMore than 80 faces-responsive neurons were recorded from the anterior part of the monkey superior temporal sulcus (STS). The results show that; 1) many face-responsive neurons were tuned to 45-degree (or 3/4) views not only to frontal views and profiles, 2) some of the 45-degree-optimal neurons showed mirror-image response to the opposite 45-degree view, 3) 45-degree-optimal response were often synergistically enhanced by eye-contact gaze. The results suggest interactions of face and gaze directions in the neuronal responses of the anterior STS.4. Molecular and genetic bases of the limbic system1) D2 receptor knockout (D2R-KO) mice displayed increased anxiety and blunted circadian rhythms as well as reduced locomotor activity and slower acquisition of a place learning task. 2) D2R-KO eliminated the pre-reward anticipatory responses, and increased number of place-related activity of the NAC neurons, suggesting that the NAC D2R participates in coding for a specific type of neuronal response to incentive contingencies and partly in spatial learning. 3) ACh and vasopressin analogs ameliorated learning deficits of rats with hippocampal lesions. Less
1.边缘系统情绪的神经机制在区分与奖励厌恶有关和不与奖励厌恶有关的条件性感觉刺激时,记录大鼠前扣带皮层(AC)、杏仁核(AM)和后丘脑(PT)的神经活动。在 AC 中,差异条件刺激相关神经元主要位于 AC 的喙部和腹侧部分。其他 AC 神经元主要在 ICSS 和/或摄入蔗糖期间做出反应(摄入/ICSS 相关神经元),并且位于 AC 的后部。在 AM 中,大多数神经元具有多模式反应性,并且对条件刺激有差异。这些 AM 神经元主要位于 AM 的基底外侧核中。 PT(非初级丘脑)神经元表现出两种类型的反应:早期的阶段性反应取决于感觉方式,而晚期的反应逐渐增加,并在奖励交付之前达到顶峰。结果表明,单个阿拉米神经元可以对早期反应中感觉刺激的获得性意义进行编码(回顾性编码),并在后期反应中预测即将到来的奖励值(前瞻性编码)。 2.空间导航的神经机制当动物在实验场中自由导航以获得奖励时,记录了猴子、大鼠和小鼠的侧隔核、海马结构(HP)和伏隔核(NAC)的神经元活动。结果表明; 1) 侧隔核参与空间、惯性感觉和奖赏的整合,2) 尽管 HF 和 NAC 的活动都与空间参数相关,但 NAC 神经元更有可能对奖赏做出反应,而 HF 神经元的放电与空间参数更密切相关,3) 一些 HF 神经元对显示出任务依赖性位置场,其中特定区域的活动增加 实验场和任务相关互相关。 3.面部识别的神经机制 在猴子颞上沟 (STS) 的前部记录了 80 多个面部反应神经元。结果表明; 1)许多面部反应神经元不仅针对正面视图和侧面图调整为 45 度(或 3/4)视图,2)一些 45 度最佳神经元对相反的 45 度视图表现出镜像响应,3)45 度最佳反应通常通过眼神接触凝视协同增强。结果表明面部和注视方向在前 STS 神经元反应中的相互作用。4。边缘系统的分子和遗传基础1) D2 受体敲除 (D2R-KO) 小鼠表现出焦虑增加和昼夜节律迟钝以及运动活动减少和位置学习任务获取速度减慢。 2)D2R-KO消除了奖励前的预期反应,并增加了NAC神经元的位置相关活动数量,这表明NAC D2R参与编码特定类型的神经元对激励意外事件的反应,并部分参与空间学习。 3) 乙酰胆碱和加压素类似物改善海马损伤大鼠的学习缺陷。较少的
项目成果
期刊论文数量(148)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Nakada Y, Tamura R, Kimura T, Uwano T, Nishijo H, Ono T.: "Ameliorative effects of a cognitive enhancer, T-588, on place learning deficits induced by transient forebrain ischemia in rats"Physiol. Behav.. 74. 1-9 (2001)
Nakada Y、Tamura R、Kimura T、Uwano T、Nishijo H、Ono T.:“认知增强剂 T-588 对大鼠短暂前脑缺血引起的地方学习缺陷的改善作用”Physiol。
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Li, R.-X., Nishijo, H., Ono, T., Ohtani, Y., Ohtani, O.: "Synapses on GABAergic neurons in the basolateral nucleus of the rat amygdala : Double-labeling immunoeletron microscopy"Synapse. 43. 42-50 (2002)
Li,R.-X.,Nishijo,H.,Ono,T.,Ohtani,Y.,Ohtani,O.:“大鼠杏仁核基底外侧核中 GABA 能神经元的突触:双标记免疫电子显微镜”突触。
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田積徹, 小野武年, 西条寿夫: "不安の大脳生理学"分子精神医学. (印刷中).
Toru Tazumi、Taketoshi Ono、Hisao Saijo:“焦虑的大脑生理学”分子精神病学(正在出版)。
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Tamura R,Kondoh T,Ono T,Nishijo H,Torii,K: "Altered activity of lateral and medial hypothalamic neurons in rats during discrimination of conditioned cue tone stimuli in repeated cold stress."J.Neurophysiol.. 84. 2844-2858 (2000)
Tamura R、Kondoh T、Ono T、Nishijo H、Torii、K:“在重复冷应激条件下提示音刺激的辨别过程中,大鼠下丘脑外侧和内侧神经元的活动发生改变。”J.Neurophysiol.. 84. 2844-2858
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小野武年、西条寿夫: "情動・行動のシステム.岩波講座・現代医学の基礎第7巻「脳・神経の科学II-脳の高次機能」(外山敬介、酒田英夫編)"岩波書店(印刷中). (2000)
小野武俊、西条久雄:《情绪和行为的系统。岩波讲座:现代医学基础第7卷“大脑和神经的科学II-大脑的高级功能”(富山圭介和坂田英雄编辑)》岩波书店( (正在出版)。
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ONO Taketoshi其他文献
ONO Taketoshi的其他文献
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{{ truncateString('ONO Taketoshi', 18)}}的其他基金
Neural mechanisms of emotion and thought
情绪和思维的神经机制
- 批准号:
08279105 - 财政年份:1996
- 资助金额:
$ 24.06万 - 项目类别:
Grant-in-Aid for Scientific Research on Priority Areas
Behavioral, cellular and molecular bases of emotional, menemonic, and immune functions in the limbic-hypothalamic system
边缘-下丘脑系统情绪、记忆和免疫功能的行为、细胞和分子基础
- 批准号:
08408036 - 财政年份:1996
- 资助金额:
$ 24.06万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Functional brain mapping by means of a dipole tracing method with a realistic 4-layr head model
通过偶极子追踪方法和真实的 4 层头部模型进行功能性大脑绘图
- 批准号:
07558110 - 财政年份:1995
- 资助金额:
$ 24.06万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Investigation of emotion and mnemonic functions of the primate limbic system by means of invasive and non-invasive methods
通过侵入性和非侵入性方法研究灵长类边缘系统的情感和记忆功能
- 批准号:
06454706 - 财政年份:1994
- 资助金额:
$ 24.06万 - 项目类别:
Grant-in-Aid for General Scientific Research (B)
Identification, classification, and information processing in monkey hippocampal neurons in response to loci, objects, and events.
猴子海马神经元响应位点、物体和事件的识别、分类和信息处理。
- 批准号:
02404023 - 财政年份:1990
- 资助金额:
$ 24.06万 - 项目类别:
Grant-in-Aid for General Scientific Research (A)
Mechanism of cognition of environment, place and time by hippocampus and amygdala.
海马和杏仁核认知环境、地点和时间的机制。
- 批准号:
63480115 - 财政年份:1988
- 资助金额:
$ 24.06万 - 项目类别:
Grant-in-Aid for General Scientific Research (B)
Development of system for determination of odor and taste preference ranking.
开发用于确定气味和味道偏好排名的系统。
- 批准号:
62870006 - 财政年份:1987
- 资助金额:
$ 24.06万 - 项目类别:
Grant-in-Aid for Developmental Scientific Research
Higher integrative mechanism of regulation of emotional behavior and autonomic response in frontal, limbic and hypothalamic system.
额叶、边缘和下丘脑系统情绪行为和自主反应调节的更高整合机制。
- 批准号:
60440028 - 财政年份:1985
- 资助金额:
$ 24.06万 - 项目类别:
Grant-in-Aid for General Scientific Research (A)
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