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场景依赖的人类空间巡航参照系选择和加工 机制研究
Alternative TitleContext-dependent selection and processing mechanism of spatial reference in human navigation


Other Abstract

  Three studies were used to investigate how the context influenced the selection and processing mechanism of spatial reference during human navigation. Using desk virtual reality technology behavior research, study 1 and study 2 asked subjects to navigate to a fixed target location many times and aimed to test whether scene modulate the selection of navigational strategy, either from the landmark and landmark array level, and the specific processing of the two spatial references. Study 1 adapted between subjects design and two groups subjects probed from a similar view (SV)of landmark as the training trials or another one of which had a different view (DV) of landmark as the training trials, respectively.  Study 2 adapted within subjects design and subjects accepted the cues conflict maze and no cue conflict maze navigation, and a model-free and model-based reinforcement learnings model was used to test the experiment result. Study 3 adapted within subjects design technology and aimed to test the electrical physiology of the scene effect and spatial reference memory, with i EEG were recorded from epilepsy patients implanted with electrodes when they were navigating from a SV probe or DV probe departure location.
The result from the study 1 and study 2 showed: 1. When the landmark was unfamiliar or the landmark array induced disorientation, the participants would more bias allocentric strategy. 2. The model and the strategy leaning difference pointed to allocentric navigation had a stronger environment observation and distance updating. Taken together, initially adapted the double maze design and combined the online probe and offline recognition and recall result, the whole behavior research effective dissociated the two navigation reference strategies. And based on this, the direct evidence on the specific processing of the two spatial references had an important
theory value.
Study 3 found that allocentric navigation and egocentric navigation were related with a stronger power on γ and α oscillation in human hippocampus respectively. This i EEG study firstly explored the electrophysiology mechanism of different navigation reference on human successfully and supplied a theory and reference for future relative electrophysiology research on human spatial references.

Keyword地标 自我参照系和客体参照系 强化学习 海马结构 神经振荡
Degree Discipline基础心理学
Degree Grantor中国科学院研究生院
Place of Conferral北京
Document Type学位论文
Recommended Citation
GB/T 7714
王琳. 场景依赖的人类空间巡航参照系选择和加工 机制研究[D]. 北京. 中国科学院研究生院,2017.
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