Eva M. Berg

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Stick insects (Cuniculina impigra) possessing only a single front leg perform untargeted stereotypical cyclic searching movements with that leg when it loses contact with the ground. When encountering an object, the animals grasp it. We hypothesized that removal of the object immediately after contact with the leg's tibia would result in a change in(More)
In many animals, individual legs can either function independently, as in behaviors such as scratching or searching, or be used in coordinated patterns with other legs, as in walking or climbing. While the control of walking has been extensively investigated, the mechanisms mediating the behavioral choice to activate individual legs independently are poorly(More)
Searching movements, beside locomotion, are, perhaps, the most important motor activities of the front legs in stick insects. In a recent study [1], the kinematics of these movements were thoroughly investigated. In these experiments the animal was restricted such that its front leg could freely move in the plane perpendicular to the longitudinal axis of(More)
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