نتایج جستجو برای: radial maze
تعداد نتایج: 71363 فیلتر نتایج به سال:
New features of actual choice behavior and effortful information processing in rats were demonstrated in an eight-arm radial maze through modifications of a matching-to-sample task. Two attempts were allowed for a squad of hooded Sprague-Dawley rats (n=7) for finding a reward in a testing phase of the task. The results showed flexibility and sooner learning to matching rule on the second testin...
Working spatial memory in dogs (Canis familiaris) was tested in Experiments 1 and 2 on an 8-arm radial maze. When dogs chose freely among all 8 arms containing food in Experiment 1, they learned to enter all 8 arms with progressively fewer arm visits over trials. In Experiment 2, 2 groups of dogs were forced to visit 4 randomly chosen arms on the maze and then tested for memory of these arm vis...
introduction: the dorsal striatum plays an important role in the control of motor activity and learning processes within the basal ganglia circuitry. furthermore, recent works have suggested functional differentiation between subregions of the dorsal striatum methods: the present study examined the effects of bilateral electrolytic lesions of the dorsomedial striatum on motor behavior and learn...
In two experiments conducted in an eight-arm radial maze, food pellets were delivered when a photocell beam was broken at the end of each arm via a nose poke, according to either fixed-interval or random-interval schedules of reinforcement, with each arm providing a different frequency of reinforcement. The behavior of rats exposed to these procedures was well described by the generalized match...
The present experiment was designed to determine the extent to which two different mechanisms were responsible for the recovery of function produced by grafts of fetal basal forebrain tissue into the hippocampus of rats given fimbria-fornix lesions. The place fields of single units in the hippocampus were recorded as rats moved about a radial arm maze. Two measures of the discriminative stimuli...
Rats (n = 4) searched for food on an eight-arm radial maze. Daily 56-min sessions were divided into eight 7-min time zones, during each of which a different location provided food; locations were randomized across subjects before training. The rats obtained multiple pellets within each time zone by leaving and returning to the correct location. Evidence that the rats had knowledge about the tem...
..................................................................................................................................... i Acknowledgements ................................................................................................................... ii Table of
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