WHO:
- 18-35 years old
- Fluent in English
- Non-smoker
- Not taking oral contraceptives (if female)

WHAT:
- A study about learning and memory
- 90-minute testing session consisting of tasks on the computer (a slot machine task and a virtual environment task), some questionnaires, and 3 saliva samples — collected by placing a cotton swab under your tongue and then placing it in a tube

WHERE:
Sir William Hardy Building, Downing Site

WHY:
You will be paid £12

HOW:
Email Winifred Limmer (WML29)