NDLI: Spatial behavior: the impact of global and local geometry

Content Provider	Springer Nature Link
Author	Ben Yehoshua, Dafna Yaski, Osnat Eilam, David
Copyright Year	2010
Abstract	Humans and other animals use the global geometry of the surrounding environment in order to orient and determine which direction they are facing. Accordingly, the impact of environment geometry on spatial behavior is reflected in the paths of progression in the environment. When the perception of the global geometry is limited, such as in large or dark environments, the global geometry of the environment has to be constructed gradually as the accumulated geometry of locales. In the present study, we progressively altered the form of a dark square test arena by means of local alterations to its corners and walls, in order to differentiate the impact of the global arena geometry from that of the local arena geometry sectors on spatial behavior in rats. We found that as long as the local alterations did not distort the global square geometry of the dark environment, the rats’ behavior did not significantly change. In contrast, distortion of the square shape of the arena resulted in significant changes in the spatial distribution of the rats’ activity. Accordingly, we suggest that the perceived global geometry affects spatial behavior, overriding the impact of the local geometry.
Starting Page	341
Ending Page	350
Page Count	10
File Format	PDF
ISSN	14359448
Journal	Animal Cognition
Volume Number	14
Issue Number	3
e-ISSN	14359456
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-12-24
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Geometric module Exploration Navigation Cognitive map Spatial behavior Home-base behavior Environment geometry Evolutionary Biology Zoology Behavioural Sciences Human Physiology
Content Type	Text
Resource Type	Article
Subject	Experimental and Cognitive Psychology Ecology, Evolution, Behavior and Systematics

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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