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During short foraging excursions away from their home, central place foragers update their position relative to their point of departure by processing signals generated by locomotion. They therefore can home along a self-generated vector without using learned references. In rodents and other mammals, this path integration process (dead reckoning) can occur(More)
Inhalational challenges to histamine and methacholine (Mch) are commonly used to measure airway reactivity. In this study, we investigated the serial distribution of individual airway responsiveness in vivo following stimulation with histamine or methacholine by directly measuring airway area with high resolution computed tomography (HRCT). Anesthetized(More)
Golden hamsters can orient towards specific points in their environment using location- based visual cues and/or dead reckoning based on vestibular and proprioceptive signals. The relative weight of these different kinds of information was investigated in an apparatus consisting of three identical, square compartments joined by tunnels, with the subject's(More)
Golden hamsters were trained to collect food in two differently patterned test boxes, linked to each other and to the nest by a T-shaped tube. To choose the correct goal direction from each box entrance the subjects could use either locomotor or visual cues. In test trials the central arm of the T-tube and the nest were rotated by 180°, setting visual and(More)
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