Fig. 1: | Nature Communications

Fig. 1

From: Activation of serotonin neurons promotes active persistence in a probabilistic foraging task

Fig. 1

The probabilistic foraging task. a Schematic drawing of the foraging task apparatus. Mice shuttle back and forth between two reward sites, located at the opposite ends of an elongated box, to obtain water rewards. b Example snapshot of foraging behavior. The one-dimensional location of an example mouse along the long axis of the box is plotted as a function of time. The ROIs around each water port are marked as dashed rectangles, and green and orange ticks above and below the trajectory mark nose-pokes into the right and left ports, respectively. The red asterisk marks an error trial. c Task events during a single trial. Each trial starts with an exit from one of the ROIs. Following shuttling to the other end, the mice would nose-poke multiple times and receive reward on some of the attempts on a probabilistic basis, before switching back. Green and orange rectangles mark rewards, gray rectangles mark omissions. d Example session, this time showing only the sequence of outcomes during nose-poking. Each column represents a single trial. Green/orange squares represent rewarded nose-pokes, gray squares, omissions