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The Dancing Mouse A Study in Animal Behavior by Yerkes, Robert M., 1876-1956

144 145 146 147 148 149 150 151 152 153 154

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The Animal Behavior Series. Volume I The Dancing Mouse By 1907 Preface

Chapter I Characteristics, Origin, And History

Chapter Ii Feeding, Breeding, And Development Of The Young

Table I Development Of The Young

Chapter Iii Behavior: Dance Movements

Chapter Iv Behavior: Equilibration And Dizziness

Chapter V Structural Peculiarities And Behavior

Function Structure

Chapter Vi The Sense Of Hearing

Table 5 Period Of Auditory Reaction In Young Dancers

Chapter Vii The Sense Of Sight: Brightness Vision

Table 6 Brightness Discrimination

Table 7 Brightness Discrimination

Table 8 White-black Preference Tests

Table 11 Table 12 Position Of White Cardboards For A Set Of 150 Tests Series 1 2 3 4 5 6 7 8 9 10

Table 13 Gray Discrimination

Chapter Ix The Sense Of Sight: Color Vision

Table 15 Orange-blue Tests, With Food-box

Table 16 Yellow-red Tests

Table 17 Light Blue-orange Tests In Color Discrimination Box

Table 18 Light Blue-orange Test Condition Right Wrong

Table 22 Green-blue Tests

Table 23 Green-blue Tests

9 17 7 3 8 2 10 17 8 2 8 2

Table 24 Green-red Tests

Table 24-continued

Table 25 Green-red Tests

Table 26 Green-red Tests

Table 26-continued No. 2 No. 5

Table 27-continued

Chapter Xi The Role Of Sight In The Daily Life Of The Dancer

Table 30 Visual Form Tests

Table 31 The Role Of Sight No. 7 No. 998

Labyrinth-b Experiments

Table 33 The Role Of Sight, Touch, And Smell In Labyrinth Experiments Test Condition Errors Condition Errors

Table 34 Role Of Sight, Touch, And Smell In Labyrinth Experiments

Averages 11.2 5.7 14.5 .3 10.8 Females Averages 9.2 5.5 12.5 .3 9.5

Chapter Xii Educability: Methods Of Learning

Table 35 Ladder Climbing Test

Chapter Xiii Habit Formation: The Labyrinth Habit

Table 36 Results Of Labyrinth A Tests With Dancers

Table 37 Results Of Labyrinth A Tests With Common Mice

Table 38 Results Of Labyrinth-b Experiments, With Twenty Dancers Males Females

Table 39 Results Of Labyrinth-c Experiments, With Twenty Dancers Males Females

Av. 18.7 Av. 13.8

Table 40 Results Of Labyrinth-d Experiments, With Twenty Dancers Males Females

Chapter Xiv Habit Formation: The Discrimination Method

Table 41 Males Females

Chapter Xv The Efficiency Of Training Methods

Table 46 Efficiency Of Training

Method Index Of Modifiability (efficiency) Table 47 Efficiency Of Training

Chapter Xvi The Duration Of Habits: Memory And Re-learning

Table 48 Measurements Of The Duration Of A Habit

Table 49 White-black Training. Ten Tests Per Day

Table 50 White-black Training. Ten Tests Per Day

Indices Of Modifiability Learning Re-learning Table 51

Av. 8.2 17.3 7.0 18.8 5.0 9.2 Labyrinth C Labyrinth B Labyrinth D

Av. 19.7 26.5 5.0 18.2 5.7 8.3 Chapter Xvii Individual, Age, And Sex Differences In Behavior

Table 52 Series Males Females No. 76 No. 78 Av. No. 75 No. 77 Av. General Av.

Chapter Xviii The Inheritance Of Forms Of Behavior Right Whirlers Left Whirlers Mixed Whirlers Total

Individuals Of Mixed Descent 9 10 6 25 Table 53 The Inheritance Of The Habit Of White-black Discrimination Males Females

Only three of the ten individuals failed to re-acquire the habit of white- black discrimination more quickly than it had originally been acquired, and, in the case of these exceptions, No. 220 required exactly the same number of tests in each case, and No. 420 was placed at a slight disadvantage in the re-learning series by an interruption of the training between the seventh and the eighth series. Had his training been completed by the sixth series he too would have had the same number of tests in training and re-training. Moreover, and this is of preeminent importance for a fair interpretation of the results, in several instances even those individuals which exhibited as strong a preference for the black in the memory series as in the preliminary series re-learned more quickly than they had learned. Number 210, for example, although he gave no evidence of memory, and, in fact, chose the black more frequently in the memory series than he did in the preliminary series, re-acquired the discrimination habit in less than half the number of tests which had been necessary for the establishment of the habit originally.

TABLE 50

WHITE-BLACK TRAINING. TEN TESTS PER DAY

Females

TRAINING RE-TRAINING 215 225 235 415 425 Av. 215 225 235 415 425 Av. A 8 4 4 8 5 5.8 5 2 7 6 3 4.6 B 8 7 6 6 2 5.8 8 5 6 4 3 5.2 1 7 6 5 6 4 5.6 4 1 5 4 3 3.4 2 5 6 4 2 5 4.4 1 1 1 2 3 1.6 3 3 3 4 3 4 3.4 1 0 3 6 0 2.0 4 2 1 3 3 3 2.4 0 0 3 3 1 1.4 5 1 3 3 3 3 2.6 0 0 died 2 0 0.5 6 2 1 1 1 0 1.0 0 1 0 0.2 7 1 1 2 3 3 2.0 0 0 0 8 0 0 2 2 3 1.4 1 0.2 9 1 0 0 1 1 0.6 0 0 10 0 2 1 0 2 1.0 0 0 11 0 3 0 1 0 0.8 0 0 12 0 0 0 2 0 0.4 13 0 0 0 0 0 14 0 0 0 15 0 0