Transcranial Magnetic Stimulation

Repetitive transcranial magnetic stimulation is a technique administered in case of mild to moderate depression. The therapy involves powerful magnetic field of 1.5 to 2 Tesla. It contains super coiled magnetic loops arranged in the form of band of ‘8’ shape. TMS is an alternative to ECT.

Theoretically, it has been understood that right hemisphere dysfunction is one of the causes for depression. Hence, any manoeuvres, which alter the neuro transmission in the right pre frontal area, will improve depression.

Procedure:  The stimulus discharge part of ‘8’ shaped loops, placed on the selected right hemispheric pre frontal area. In a session 3- 5 stimuli are given within a gap of few minutes between each stimulus.

It is given every alternate day, 3 days a week and continued until the symptoms of depression improve.

Advantage:  This procedure doesn’t require special preparation or medication and it has fewer side effects.

Disadvantage: TMS cannot be administered 4 sever depression with psychotic symptoms, suicidal patients and in those with metallic implants or cardiac pacemaker.

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