CRCNS Research Proposal: US-German Collaboration: Roles of place and grid cells and phase precession in human spatial and episodic memory

CRCNS 研究提案:美德合作:位置和网格细胞以及相位进动在人类空间和情景记忆中的作用

基本信息

  • 批准号:
    1724243
  • 负责人:
  • 金额:
    $ 61.68万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2017
  • 资助国家:
    美国
  • 起止时间:
    2017-11-01 至 2021-09-30
  • 项目状态:
    已结题

项目摘要

A fundamental issue that affects everyone's life is how the brain represents memories and how this process sometimes experiences dysfunction. To examine this topic, our research project uses direct human brain recordings to characterize the brain signals that represent aspects of individual memories. A key question is understanding how the brain supports tasks such as answering "Where did I leave my keys this morning"? In this project, we will test how memory-related spatial information is represented by the activity of individual cells in the human brain. We perform this work by examining direct human brain recordings, working with patients who are undergoing neurosurgery to map their epilepsy. While the brain signals are recorded, patients play a video game that involves spatial navigation and memory. We measure patterns of electrical activity that show how the brain stores memories for individual spatial locations and well as for events in time. In particular, we focus on measuring the role in memory of a particular cell type, the "grid cell", that is known to play a role in spatial navigation, to test whether the brain's navigation network also supports memory storage. By revealing the neural basis of memory, this work has implications for developing treatments for memory and navigation disorders such as Alzheimer's Disease. In addition to these scientific objectives, there is a direct educational component to our work. Through performing our research, we will train students at various levels, including graduate, undergraduate, and post-doctoral fellows, on the methods used for studying the human brain and its involvement in memory. We also will develop curriculum material for K-12 and undergraduate students to learn about how the brain supports memory and spatial cognition.Scientifically, the goal of this work is characterize the neural basis of episodic memory by identifying how the rate and timing of the activations of human grid and place cells support the storage of spatial memories. By examining these cells' activations as patients perform our hybrid spatial-episodic memory task, we test the broad hypothesis that there is a fundamental link between how the brain represents the location and timing of when events occur. Our main hypothesis is that the activity of grid cells during memory retrieval represents the spatial location where an event occurred. We also test the role of grid cells in memory retrieval based on cues (Aim 1) as well as self-initiated recalls from memory search (Aim 2). Finally, will also evaluate whether temporal ordering of memories is stored via a rhythmic process in the brain, called theta-band phase precession. Our findings are likely to expand our understanding of how the human entorhinal cortex and hippocampus support a range of cognitive and behavioral processes. A companion project is being funded by the Federal Ministry of Education and Research, Germany (BMBF).
影响每个人生活的一个基本问题是大脑如何代表记忆,以及这个过程有时如何经历功能障碍。为了研究这个主题,我们的研究项目使用直接的人脑记录来表征代表个人记忆方面的大脑信号。一个关键的问题是理解大脑如何支持诸如回答“今天早上我把钥匙放在哪里了”这样的任务?在这个项目中,我们将测试与记忆相关的空间信息是如何通过人脑中单个细胞的活动来表示的。我们通过检查直接的人类大脑记录来执行这项工作,与正在接受神经外科手术的患者一起绘制他们的癫痫。在记录大脑信号的同时,患者玩一个涉及空间导航和记忆的视频游戏。我们测量脑电活动的模式,显示大脑如何存储个人空间位置和时间事件的记忆。特别是,我们专注于测量特定细胞类型在记忆中的作用,即已知在空间导航中发挥作用的“网格细胞”,以测试大脑的导航网络是否也支持记忆存储。通过揭示记忆的神经基础,这项工作对开发记忆和导航障碍(如阿尔茨海默病)的治疗方法具有意义。除了这些科学目标外,我们的工作还包括直接的教育内容。通过进行我们的研究,我们将培训学生在各个层次,包括研究生,本科生和博士后研究员,用于研究人类大脑及其参与记忆的方法。 我们还将为K-12和本科生开发课程材料,以了解大脑如何支持记忆和空间认知。科学上,这项工作的目标是通过确定人类网格和位置细胞激活的速率和时间如何支持空间记忆的存储来表征情景记忆的神经基础。 通过检查这些细胞在患者执行我们的混合空间情景记忆任务时的激活,我们测试了广泛的假设,即大脑如何表示事件发生的位置和时间之间存在根本联系。我们的主要假设是,在记忆提取过程中,网格细胞的活动代表了事件发生的空间位置。我们还测试了网格细胞在基于线索的记忆检索(目标1)以及自我发起的回忆从记忆搜索(目标2)中的作用。最后,也将评估是否记忆的时间顺序是通过大脑中的节奏过程存储的,称为θ波段相位进动。 我们的发现可能会扩大我们对人类内嗅皮层和海马体如何支持一系列认知和行为过程的理解。德国联邦教育和研究部正在资助一个配套项目。

项目成果

期刊论文数量(4)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Hexadirectional Modulation of High-Frequency Electrophysiological Activity in the Human Anterior Medial Temporal Lobe Maps Visual Space
  • DOI:
    10.1016/j.cub.2018.09.035
  • 发表时间:
    2018-10
  • 期刊:
  • 影响因子:
    9.2
  • 作者:
    T. Staudigl;M. Leszczyński;J. Jacobs;S. Sheth;C. Schroeder;O. Jensen;Christian F. Doeller
  • 通讯作者:
    T. Staudigl;M. Leszczyński;J. Jacobs;S. Sheth;C. Schroeder;O. Jensen;Christian F. Doeller
Grid-like hexadirectional modulation of human entorhinal theta oscillations
Single-Neuron Representations of Spatial Targets in Humans
人类空间目标的单神经元表示
  • DOI:
    10.1016/j.cub.2019.11.048
  • 发表时间:
    2020
  • 期刊:
  • 影响因子:
    9.2
  • 作者:
    Tsitsiklis, Melina;Miller, Jonathan;Qasim, Salman E.;Inman, Cory S.;Gross, Robert E.;Willie, Jon T.;Smith, Elliot H.;Sheth, Sameer A.;Schevon, Catherine A.;Sperling, Michael R.
  • 通讯作者:
    Sperling, Michael R.
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Joshua Jacobs其他文献

Theta-phase locking of single neurons during human spatial memory
人类空间记忆过程中单个神经元的θ相位锁定
  • DOI:
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Tim A. Guth;A. Brandt;P. Reinacher;Andreas Schulze;Joshua Jacobs;Lukas Kunz
  • 通讯作者:
    Lukas Kunz
Approach to Identification of Patients with Activated Phosphoinositide-3 Kinase Delta Syndrome (APDS)
激活的磷酸肌醇 3 激酶三角洲综合征(APDS)患者的鉴定方法
  • DOI:
    10.1016/j.jaci.2022.12.256
  • 发表时间:
    2023-02-01
  • 期刊:
  • 影响因子:
    11.200
  • 作者:
    Daniel Suez;Richard Wasserman;Amy Darter;Elena Perez;Joshua Jacobs;Dareen Siri;David Patterson;Jacob Offenberger;William Lumry;Mark Scarupa
  • 通讯作者:
    Mark Scarupa
Safety And Efficacy Of Garadacimab For Hereditary Angioedema Prophylaxis In Patients Aged ≥65 Years
加拉达西单抗用于≥65岁遗传性血管性水肿患者预防治疗的安全性和有效性
  • DOI:
    10.1016/j.jaci.2024.12.610
  • 发表时间:
    2025-02-01
  • 期刊:
  • 影响因子:
    11.200
  • 作者:
    Joshua Jacobs;William Lumry;Hilary Longhurst;William Yang;Jonathan Bernstein;Constance Katelaris;Bruce Ritchie;Iris Jacobs;John-Philip Lawo;Harsha Shetty;Markus Magerl
  • 通讯作者:
    Markus Magerl
Health-Related Quality of Life (HRQoL) in Pediatric Patients with Hereditary Angioedema (HAE) Receiving Lanadelumab: Exploratory Results From the SPRING Study
接受兰瑞肽治疗的遗传性血管性水肿(HAE)儿科患者的健康相关生活质量(HRQoL):SPRING 研究的探索性结果
  • DOI:
    10.1016/j.jaci.2022.12.435
  • 发表时间:
    2023-02-01
  • 期刊:
  • 影响因子:
    11.200
  • 作者:
    Maureen Watt;Marcus Maurer;William Lumry;H. Henry Li;Emel Aygören-Pürsün;Paula Busse;Joshua Jacobs;Christina Nurse;Ming Yu;Dorothy Romanus;Giovanna Devercelli
  • 通讯作者:
    Giovanna Devercelli
Infection-Specific Biomarkers in the Synovial Fluid
  • DOI:
    10.1016/j.arth.2006.12.064
  • 发表时间:
    2007-02-01
  • 期刊:
  • 影响因子:
  • 作者:
    Carl Deirmengian;Abdul Tarabishy;Marco Caicedo;Nadim Halleb;Joshua Jacobs;Craig Della Valle;Jess Lonner;Robert Booth
  • 通讯作者:
    Robert Booth

Joshua Jacobs的其他文献

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{{ truncateString('Joshua Jacobs', 18)}}的其他基金

CRCNS Research Proposal: Modeling traveling waves in the human cortex
CRCNS 研究提案:模拟人类皮层中的行波
  • 批准号:
    2309174
  • 财政年份:
    2023
  • 资助金额:
    $ 61.68万
  • 项目类别:
    Continuing Grant
CAREER: Characterizing mechanisms of navigation and memory using direct human brain recording and stimulation
职业:利用直接人脑记录和刺激来表征导航和记忆机制
  • 批准号:
    1848465
  • 财政年份:
    2019
  • 资助金额:
    $ 61.68万
  • 项目类别:
    Continuing Grant

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Cell Research
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    24.0 万元
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Cell Research (细胞研究)
  • 批准号:
    30824808
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    2008
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    24.0 万元
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    专项基金项目
Research on the Rapid Growth Mechanism of KDP Crystal
  • 批准号:
    10774081
  • 批准年份:
    2007
  • 资助金额:
    45.0 万元
  • 项目类别:
    面上项目

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