More Persistence during Task Acquisition by Intact Vs. Castrated Japanese Quail
Data from 13 castrated and 12 intact food-deprived Japanese quail show that there is a very similar rate of acquisition of a simple T-maze color discrimination. In the same apparatus, the number of error pecks varies on a match to sample brightness discrimination. The relatively stable performance and longer response sequences of intact and die more erratic performance of castrated birds is interpreted as showing that circulating androgens are important in the formation of a stable pattern of response in adult birds. These results support work showing that central specifications for a task, once established, persist longer under the influence of circulating androgens.
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