Effects of Conditioned Reflex Retraining Regime on Search Behavior in a Radial Maze in Rats
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Experiments on rats showed that sessions of retraining to find a new preferred reinforcement location in a radial maze, continuously repeated on the experimental day, led to impairment of the animals’ ability to use navigational orientation as the most adaptive tactic for maximizing reinforcement, with retention of less productive conditioned reflex responding to the presentation of signals within the maze. Some series of experiments showed that sleep had an adaptive role, including sleep induced by somnogenic neuropeptides, and was needed for the experimental animals to perform the behavioral task successfully in conditions of heightened emotional tension and to prevent any possible neurological disorders.
Keywordsspatial orientation retraining adaptive functions of sleep
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