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Table 1 Search strategy for identifying articles on neuroimaging correlates of delayed reward discounting

From: Delay discounting differences in brain activation, connectivity, and structure in individuals with addiction: a systematic review protocol

1. delay*

16. tobacco

2. time

17. nicotine

3. *temporal

18. smok*

4. monetary

19. marijuana

5. reward

20. cannabis

6. discounting

21. opiate

7. choice

22. opioid

8. decision making

23. heroin

9. “impulsive choice”

24. cocaine

10. “delay gratification”

25. *amphetamine

11. functional magnetic resonance imaging

26. drug

12. magnetic resonance imaging

27. substance use

13. neuroimaging

28. substance abuse

14. alcohol*

29. gambling

15. cigarette

30. addicti*

31. DRD SEARCH TERMS

((1 OR 2 OR 3 OR 4 OR 5) AND (6 OR 7 OR 8)) OR 9 OR 10

32. MRI SEARCH TERMS

11 OR 12 OR 13

33. ADDICTIVE BEHAVIOR SEARCH TERMS

14 OR 15 OR 16 OR 17 OR 18 OR 19 OR 20 OR 21 OR 22 OR 23 OR 24 OR 25 OR 26 OR 27 OR 28 OR 29 OR 30

34. FINAL SEARCH TERMS

31 AND 32 AND 33