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Table 1 Summary of the experimental procedure. FI: fixed interval schedule of reinforcement

From: Behavioral variability, elimination of responses, and delay-of-reinforcement gradients in SHR and WKY rats

Session number

Schedule

No. of reinforcers

1 – 6

FI 1 s1

20

7 – 8

FI 15 s

20

9 – 11

FI 30 s

20

12 – 13

FI 60 s

15

14 – 15

FI 120 s

10

16

FI 200 s

10

17 – 54

FI 300 s2

6

  1. Note. – 1 Used for analyses of entropy, and initial Euclidean distance (Figures 3, 4 and 5).
  2. 2 All sessions testing FI < 300s and the last 21 sessions testing FI 300 s were used for analyses of influence functions and overall Euclidean distance (Figures 5 and 6).
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Behavioral and Brain Functions

ISSN: 1744-9081

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