. Behavior monographs. Animal behavior. 24 JOSEPH pp:terson Three important features of the resuhs are to be noted. The first is the rapid decrease in the proportion of the returns to forward runs, on the rat's emergence from bhnd alleys. With the exception of blind alleys 2 and 5 in the B-mazes few such returns were made after the 15th trial, though the animals continued to enter some of the blind alleys beyond the 75th, some even beyond the lOOth. These cul de sacs, noted as AVERAGE PER TRIAL PERIOD. t-5 6-15 16-25 36-45 56-G5 TRIAL PERIODS Figures II and III.—CE is the curve of decrease in
. Behavior monographs. Animal behavior. 24 JOSEPH pp:terson Three important features of the resuhs are to be noted. The first is the rapid decrease in the proportion of the returns to forward runs, on the rat's emergence from bhnd alleys. With the exception of blind alleys 2 and 5 in the B-mazes few such returns were made after the 15th trial, though the animals continued to enter some of the blind alleys beyond the 75th, some even beyond the lOOth. These cul de sacs, noted as AVERAGE PER TRIAL PERIOD. t-5 6-15 16-25 36-45 56-G5 TRIAL PERIODS Figures II and III.—CE is the curve of decrease in average number of complete entrances per trial to Blind Alley 1 full length, Maze IB; R indicates the decrease in returns, and 2R twice the returns, from this citl de sac. C'E', R' and 2R' show corresponding data for Blind Alley 1 shortened. Maze IIB. Eight untrained rats in each Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Baltimore [etc. ], William & Wilkins Co. [etc. ]
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