In depression, EEG studies have shown frontal asymmetry with relatively lower activity in the left hemisphere. In this study a moderate pressure massage will be conducted by a trained professional on one of the following conditions: the right side of the body, the left side of the body, or both sides of the body (a traditional massage on the back of the body) while EEG measurements of brain activity are recorded and mood ratings are obtained.

Inclusion Criteria:

• Medically and mentally healthy, right-handed participants will be eligible for participating in this study. The age range for enrollment in the study is not restricted by any variables but will be set between 18 and 50 years of age.

Exclusion Criteria:

• Left-Handed subjects, persons suffering acute or chronic mental illnesses and chronic illnesses (including autoimmune illnesses).