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Ethics Approval Reference: R48997/RE003

Bright light treatment and negative ion treatment have been shown to be promising treatments for depression. Our research group is currently recruiting participants for a study that investigates the effects of these treatments on the way the human brain processes certain kinds of information.

We are looking for healthy participants (both male and female), aged 18 to 65 years. In order to participate, you must be in good health and you must not have a history of any psychiatric disorder (such as depression, anxiety disorder, or eating disorder).

You would be invited to the Department of Psychiatry (Warneford Hospital) for two study sessions. The first session would take approximately one hour and the second session would take approximately three hours. You would be subjected to a single session of treatment with either bright light, negative ions, or a placebo. After this treatment, your performance on a range of computerized psychological tasks would be assessed.

We are looking for

Volunteers needed for a study investigating the effects of non-drug treatments on the way the brain processes certain kinds of information


There is no obligation to take part in this study. You will be compensated for your time.