Dynamic correlates of searching behaviour of mice in different spatial experimental tasks

A.O. Lukashev

P.K. Anokhin Institute of Normal Physiology, Moscow, Russia

The dynamics of spatial and motor related characteristics of searching behaviour of C57Bl/6 mice were analyzed and compared during operant learning, open field and elevated plus-maze tasks. Different movement and location measures of behaviour were processed during the tasks performing in order to reveal correlates between both individual strategies and dynamic parameters of activity in these three tests. Factor analysis of time-dependent modifications in behaviour was used as well as spatial movement time series analysis of dynamic complexity of step-by-step environmental searching, including evaluation of behaviour attractor dimensions. Heterogeneity of mice populations was found correlated with different searching strategies and complexity of behaviour.

Poster presented at Measuring Behavior 2000, 3rd International Conference on Methods and Techniques in Behavioral Research, 15-18 August 2000, Nijmegen, The Netherlands

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