Figure 1 - Source Data 1 Block length data for example mice (each data is the length of one block, each column contains data from one animal) A B C D E F G H I J 60 60 60 75 62 60 89 60 60 60 60 60 60 60 60 60 61 63 60 70 60 60 60 60 60 60 60 62 64 62 60 60 60 60 60 60 60 60 60 60 60 62 60 64 60 60 60 60 60 60 72 60 76 60 60 60 60 60 60 60 60 82 60 60 60 67 60 60 60 60 60 60 60 60 90 60 60 72 60 60 60 60 67 60 62 60 60 104 61 60 60 61 74 63 60 60 60 60 60 60 61 60 60 60 75 60 60 60 63 60 60 60 60 87 60 60 60 61 60 70 62 60 60 60 60 60 60 60 60 60 60 60 60 71 60 63 95 60 60 60 63 63 60 60 60 73 60 119 60 60 60 60 60 61 60 60 60 60 60 60 67 60 60 60 60 60 60 60 60 60 60 60 60 64 61 60 60 60 63 60 60 66 60 81 80 62 60 80 60 60 82 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 72 60 60 60 60 69 60 63 63 60 63 82 60 72 60 103 60 60 60 60 70 60 73 93 60 60 60 60 60 60 66 60 60 63 60 60 60 60 60 60 60 60 60 60 60 71 60 60 77 78 60 60 60 71 60 60 60 64 60 60 68 60 60 62 60 65 60 62 64 60 60 60 60 60 60 70 76 60 68 60 60 60 60 60 61 60 60 60 60 85 60 60 60 79 60 60 60 60 60 60 70 60 60 64 60 60 60 60 60 60 60 61 71 60 60 60 60 60 60 60 143 60 60 60 60 60 60 61 60 60 81 62 60 65 71 67 60 60 60 60 60 60 60 60 60 60 64 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 61 60 60 60 60 60 60 60 60 60 60 60 60 61 60 60 60 60 60 60 60 60 60 60 63 60 60 60 60 60 68 60 60 60 60 60 60 60 60 61 60 60 60 60 60 60 60 60 60 60 60 60 60 62 60 60 60 60 60 60 60 60 60 76 60 60 60 60 60 60 71 60 60 73 60 60 60 60 60 60 61 60 60 60 60 60 60 75 63 60 62 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 63 60 60 60 60 60 60 60 60 60 60 66 60 60 60 60 60 60 60 60 60 60 60 75 60 60 60 60 60 60 60 60 60 60 60 60 60 60 68 60 60 60 60 60 60 60 60 63 60 60 60 60 60 60 60 60 80 60 60 72 60 60 60 60 60 60 60 60 60 60 60 60 75 60 60 79 60 60 60 61 62 60 60 60 61 60 60 60 77 60 60 60 60 60 60 60 60 60 60 60 60 60 60 63 60 60 60 60 60 60 63 60 60 61 60 60 60 60 60 60 60 60 60 72 60 60 60 60 63 60 60 60 60 60 60 60 60 60 64 60 60 60 60 60 64 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 62 60 60 60 60 60 60 60 60 60 _____________________________________________________________________________________________________________________ Switches per session for example mice (each data is the number of switches in one session, each column contains data from one animal) A B C D E F G H I J 7 7 7 7 6 7 5 7 9 7 8 7 6 9 7 7 5 7 7 7 7 6 7 8 6 7 5 6 9 6 7 5 7 8 5 7 6 8 9 7 8 6 5 8 8 6 7 7 9 7 7 6 5 9 6 7 5 6 6 6 8 5 7 9 6 7 5 7 8 7 7 6 7 8 6 7 7 7 8 6 7 6 8 9 8 6 7 7 9 6 8 5 8 10 6 6 6 8 8 6 7 6 7 9 7 6 5 7 9 6 _____________________________________________________________________________________________________________________ Number of trials to reverse choice (each row contains data from one animal) 7.39923468916003 6.03372405219539 6.62112050367176 5.84705234974486 4.25931887919034 5.02139447949771 5.91550845745587 9.07245267629446 6.97600825230148 6.95729123872509