Right and left prefrontal transcranial magnetic stimulation at 1 Hz does not affect mood in healthy volunteers.

"Competing Interests One year free loan of Dantec Stimulator (Dantec Electronics Limited, Bristol) Table 1VariableSideTMSSide × TMSLeft 1Left 2Right 1Right 2(F(p))(F(p))(F(p))(Mean (SE))(Mean (SE))(Mean (SE))(Mean (SE))Measures of MoodStress & Anxiety (Stress)1.8 (0.20)0.9 (0.36)0.05 (0.83)1.6 (0.87)1.05 (0.8)1.0 (0.59)0.16 (0.12)Stress & Anxiety (Anxiety)0.2 (0.64)0.04 (0.85)1.4 (0.26)11.8 (1.5)12.8 (1.4)13.5 (1.2)12.2 (1.4)Befindlichkeitsskala0.009 (0.93)0.02 (0.88)0.3 (0.57)5.9 (1.5)5.4 (1.1)5.4 (1.0)5.7 (1.1)UWIST H1.8 (0.20)1.1 (0.30)1.8 (0.20)29.9 (0.6)30.1 (0.4)31.1 (0.4)30.1 (0.5)UWIST S1.1 (0.30)1.0 (0.33)1.9 (0.18)11.8 (1.0)10.3 (0.61)10.6 (0.78)10.3 (0.55)UWIST A0.3 (0.87)0.001 (0.97)0.05 (0.82)24.4 (1.4)24.6 (1.1)24.7 (1.1)24.5 (1.1)POMS F1.0 (0.33)0.8 (0.39)0.6 (0.44)5.2 (1.5)3.9 (1.3)3.7 (1.3)3.7 (1.2)POMS V1.4 (0.25)0.3 (0.62)0.6 (0.45)17.6 (1.6)18.0 (1.6)19.6 (1.0)18.5 (1.4)POMS T2.5 (0.13)0.6 (0.45)3.0 (0.10)3.5 (0.99)1.7 (0.61)1.6 (0.4)2.2 (0.6)POMS C1.8 (0.20)2.6 (0.13)1.1 (0.32)3.4 (0.64)2.4 (0.56)2.3 .3 (0.43)2.2 (0.30)POMS A1.5 (0.24)1.4 (0.25)0.2 (0.64)1.7 (0.52)1.4 (0.30)1.5 (0.38)1.0 (0.24)POMS D1.6 (0.23)4.4 (0.05)3.0 (0.10)1.90 (0.89)0.21 (0.12)0.63 (0.27)0.32 (0.15)PANAS Positive0.005 (0.94)1.3 (0.27)0.8 (0.38)32.8 (1.7)33.0 (1.8)33.8 (1.4)32.2 (1.8)PANAS Negative0.8 (0.37)3.3 (0.08)0.02 (0.88)11.4 (0.67)10.4 (0.23)11.0 (0.55)10.1 (0.07)Neuropsychology MeasuresDSST1.6 (0.23)13.2 (0.002)1.8 (0.20)70.2 (2.3)73.3 (2.3)72.9 (2.4)74.6 (2.7)FAS0.2 (0.66)6.2 (0.02)0.7 (0.40)44.3 (2.2)48.9 (2.0)45.8 (2.2)48.9 (2.7)Physiology MeasuresMean Arterial Pressure0.1 (0.72)2.7 (0.12)9.1 (0.007)92.3 (3.6)81.0 (2.0)87.7 (2.6)87.3 (2.4)Pulse0.1 (0.71)9.9 (0.006)0.3 (0.57)67.8 (3.0)62.4 (2.6)66.5 (3.0)62.6 (2.9)"

"AcknowledgementsThe Medical Research Council for funding, Carol A. Swanson for technical support."