My presentation at the 31st International Ethological Conference in Rennes, France in the Animal Personality Symposium on Friday, August 21, 2009

1. What behavioral syndrome? Individual differences and multiple exploratory behavioral profiles in prairie voles Danielle N. Lee* & Zuleyma Tang-Mart í nez Department of Biology University of Missouri-St. Louis

11. Microtus ochrogaster prairie vole

19. Open-field with novel objects test Components PC 1 explains 46.9% of the variance PC 2 explains 18.7 % PC 3 explains 12.5 % N = 102 58 females 44 males 1 2 3 Latency to depart start box -.353 -.243 .866 Total squares visited .638 .656 -.046 Returns -.711 .303 -.250 Time in novel environment .820 .476 .166 Time with novelties .675 .015 .235 Visits to center squares -.624 .603 .288 Visits to edge squares .945 .005 .106 Ratio of visits to center: edge squares .553 -.573 -.105

20. Exploratory maze test PC 1 explains 58% of the variance PC 2 explains 19% N = 98 53 females 45 males Components 1 2 Latency to depart start box -.593 .526 Returns .306 -.857 Visits to arm 1 .787 .139 Visits to arm 2 .818 .279 Visits to arm 3 .888 .069 Sum of visits to all arms .979 .179

21. Novel choice apparatus test Components PC 1 explains 54% of the variance PC 2 explains18% PC3 explains 13 % N = 141 83 females 58 males 1 2 3 Latency to depart start box .753 -.316 .154 Time to reach 1 st terminal .860 -.316 .103 Time to reach 2 nd terminal .821 -.323 -.038 Total test time (minus latency) .906 -.347 .017

22. Correlations of Exploratory Scores across all three tests N = 51 26 females 25 males No correlated suites of behavior across test situations. Open-field test Exploratory Score Novel choice test Exploratory Score Novel choice test Exploratory Score r = .075 p = .602 ------ Maze test Exploratory Score r = -.052 p = .717 r = -.265 p = .060