The aim of this study is to get information about absorption, distribution, metabolism and excretion as well as the tolerability and safety of AZD2066 in healthy male volunteers.

Inclusion Criteria:

• Provision of signed informed consent
• Clinically normal physical findings and laboratory values as judged by the investigator and a normal resting ECG.

Exclusion Criteria:

• History of somatic disease/condition, which may interfere with the objectives of the study.
• History of previous or ongoing psychiatric disease/condition including psychosis, affective disorder, anxiety disorder, borderline state and personality disorder.
• Healthy volunteers who have been exposed to radiation levels above background (eg, through X-ray examinations).