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Question 1

Year

Answer 1

1999

Question 2

Aim

Answer 2

Investigate whether high levels of the stress hormone cortisol interfere with verbal declarative memory.

Question 3

Sample

Answer 3

employees/students at Washington University Medical Center

Question 4

Procedure

Answer 4

Matched for age/gender to 1/3 conditions:
1 tablet a day for 4 days
- 160mg (high) cortisol
- 40mg (low) cortisol
- placebo

Listen and recall a prose paragraph in 3 trials, new paragraph each time, same difficulty for everyone.
- before taking any (baseline) (ensure no sig. diff. between groups)
- 1 day after
- 4 days after
- 6 days after (ensure no longterm effects)

Question 5

Results and conclusion

Answer 5

High - worst performance of verbal declarative memory, returned to normal after stopped taking.

No statistical difference between low and placebo.