Control

20%

10%

5%

Concentration

Repeat

Repeat

Repeat

Repeat

Time/hour

3

2

1

3

2

1

3

2

1

3

2

1

7

6

8

0

3

3

2

5

3

5

3

6

24

10

9

11

0

0

0

0

2

1

2

0

4

48