Thoughts, behaviour, and brain dynamics during navigation in the real world

被引:273
作者
Spiers, Hugo J. [1 ]
Maguire, Eleanor A. [1 ]
机构
[1] UCL, Inst Neurol, Wellcome Dept Imaging Neurosci, London WC1N 3BG, England
基金
英国惠康基金;
关键词
SPATIAL NAVIGATION; PREFRONTAL CORTEX; HUMAN HIPPOCAMPUS; COGNITIVE MAPS; CAUDATE-NUCLEUS; FRONTAL-CORTEX; MEMORY; ROUTE; PLACE; REPRESENTATIONS;
D O I
10.1016/j.neuroimage.2006.01.037
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
How does the human brain allow us to interact with and navigate through a constantly changing world? Whilst controlled experiments using functional brain imaging can give insightful snapshots of neuronal responses to relatively simplified stimuli, they cannot hope to mirror the challenges faced by the brain in the real world. However, trying to study the brain mechanisms supporting daily living represents a huge challenge. By combining functional neuroimaging, an accurate interactive virtual simulation of a bustling central London (UK), and a novel means of 'reading' participants' thoughts whilst they moved around the city, we ascertained the online neural correlates underpinning navigation in this real-world context. A complex choreography of neural dynamics was revealed comprising focal and distributed, transient and sustained brain activity. Our results provide new insights into the specific roles of individual brain areas, in particular the hippocampus, retrosplenial, and frontal cortices, as well as offering clues about how functional specialisations operate within dynamic brain systems. (c) 2006 Elsevier Inc. All rights reserved.
引用
收藏
页码:1826 / 1840
页数:15
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