This article reports on the cases of three female multiple sclerosis patients with poor word fluency who experienced a 100-percent increase in word output following 4-5 sessions of treatment with external applications of extremely weak electromagnetic fields in the pico tesla range of intensity.

R. Sandyk, Improvement in Word-fluency Performance in Patients with Multiple Sclerosis Electromagnetic Fields,” International Journal Neurosci, 79(1-2), November 1994, p.75-90.