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ORA (Round 5): The active observer

ORA（第 5 轮）：主动观察者

基本信息

批准号：
ES/S015272/1
负责人：
Simon Rushton
金额：
$ 45.73万
依托单位：
CARDIFF UNIVERSITY
依托单位国家：
英国
项目类别：
Research Grant
财政年份：
2019
资助国家：
英国
起止时间：
2019 至无数据
项目状态：
已结题

来源：
https://gtr.ukri.org/projects?ref=ES%2FS015272%2F1
关键词：
ORA Round active observer

项目摘要

Every time we move, the image of the world at the back of the eye changes. Despite this, our perception is of an unchanging world. How does the brain translate a continually changing image into a percept of a stable, stationary, rigid world? Does the brain use a map of the external environment (an "allocentric map") and the position of the observer within it, built up over time, to underpin the perception of stability? Does the brain continually update a map of where scene objects are relative to the observer (an "egocentric map"; e.g. there is an object straight ahead of me, if I walk forward I should expect it to get closer to me)? Does the brain not create a map but just divide up the image motion into that which is likely due to movement of the observer (and which can consequently be ignored) and that which is likely due to objects moving within the scene (which become a focus of attention)? The hypothesis that underpins this research project is that it is not a single one of these mechanisms that underpins perceptual stability, but that all of them, their contribution dependent on the task being performed by the observer. In some cases the task will require a fast estimate to support an ongoing action which might favour one mechanism, on another task, where timing is not so critical, a slower, but more accurate, mechanism might be more appropriate. This collaborative project, which combines complementary expertise in Psychology, Movement Sciences, and Computing from Germany, The Netherlands and the United Kingdom, and importantly, researchers that start from different theoretical perspectives, will test this hypothesis. We will study a diverse series of tasks that present a range of challenges to the moving observer. We will make use of various innovative experimental paradigms that exploit recent technological advances such as virtual reality combined with simultaneous motion tracking. Understanding where and how different mechanisms of perceptual stability play a role advances not only our scientific understanding, but also has the potential to inform industry as well as medicine about the circumstances in which disorientation or nausea in real or virtual environments can be minimised.

每次我们移动时，眼睛后面的世界的形象都会发生变化。尽管如此，我们对世界的看法是不变的。大脑如何将不断变化的图像转化为对稳定、静止、僵硬的世界的感知？大脑是否使用外部环境的地图(“局部着丝点地图”)和观察者在其中的位置，这是随着时间的推移而建立起来的，以支持稳定性的感知？大脑是否会不断更新场景物体相对于观察者的位置图(一种“以自我为中心的地图”；例如，有一个物体就在我的正前方，如果我向前走，我应该期待它离我更近)？大脑不会创建地图，而只是将图像运动分为可能由于观察者的移动(因此可以忽略)和可能由于场景中的物体移动(成为注意力焦点)的图像运动？支撑这项研究项目的假设是，支撑知觉稳定性的不是这些机制中的单一机制，而是所有这些机制，它们的贡献取决于观察者所执行的任务。在某些情况下，任务将需要快速估计，以支持正在进行的行动，这可能有利于一种机制，在另一项任务中，时机不那么关键，较慢但更准确的机制可能更合适。这个合作项目结合了来自德国、荷兰和英国的心理学、运动科学和计算方面的互补专业知识，以及重要的是，从不同理论角度出发的研究人员，将检验这一假设。我们将研究一系列不同的任务，这些任务给移动的观察员带来了一系列挑战。我们将利用各种创新的实验范例，利用最新的技术进步，如结合虚拟现实和同步运动跟踪。了解不同的知觉稳定机制在哪里以及如何发挥作用不仅促进了我们的科学理解，而且还有可能向工业界和医学界提供信息，说明在什么情况下可以最大限度地减少现实或虚拟环境中的定向障碍或恶心。

项目成果

期刊论文数量（5）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

Detection of scene-relative object movement and optic flow parsing across the adult lifespan.

DOI：
10.1167/jov.20.9.12
发表时间：
2020-09-02
期刊：
Journal of vision
影响因子：
1.8
作者：
Evans L;Champion RA;Rushton SK;Montaldi D;Warren PA
通讯作者：
Warren PA

Further Evidence That People Rely on Egocentric Information to Guide a Cursor to a Visible Target.

DOI：
10.1177/03010066211048758
发表时间：
2021-10
期刊：
Perception
影响因子：
1.7
作者：
Crowe EM;Bossard M;Karimpur H;Rushton SK;Fiehler K;Brenner E
通讯作者：
Brenner E

Retinotopic connectivity maps of human visual cortex with unconstrained eye movements.

DOI：
10.1002/hbm.26446
发表时间：
2023-11
期刊：
HUMAN BRAIN MAPPING
影响因子：
4.8
作者：
Tangtartharakul, Gene;Morgan, Catherine A.;Rushton, Simon K.;Schwarzkopf, D. Samuel
通讯作者：
Schwarzkopf, D. Samuel

Can ongoing movements be guided by allocentric visual information when the target is visible?