19th Century DIY Brain Stimulation

Fig. 4 (Wexler, 2016). Lindstrom's Electro-Medical Apparatus (ca. 1895), courtesy of the Bakken. Think the do-it-yourself transcranial direct current stimulation movement (DIY tDCS) is a technologically savvy and hip creation of 21st century neural engineering? MIT graduate student Anna Wexler has an excellent and fun review of late 19th and early 20th century electrical stimulation