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. 2006 Jan;85(1):3–21. doi: 10.1901/jeab.2006.132-04

Fig 4. Hazard rate as a function of RI waiting time for all pigeons in the second condition of Experiment 1.

Fig 4

The tics on the x axis correspond to 5-s bins. For Pigeon 3, the two functions correspond to the crf-FI 14-s (closed circles) and the crf-FI 10-s (open circles) phases of the condition. The horizontal dashed lines are best-fit estimates for the exponential model that assumes a constant rate of switching.