Guidelines for low intensity transcranial electrical stimulation – an overdue step in a fairly uncontrolled field.

Non-invasive brain stimulation is an important, rapidly growing field in modern clinical neurophysiology. While high voltage transcranial electrical stimulation and transcranial magnetic stimulation and its variants have been long around, low intensity electrical transcranial stimulation (LIETS) is relatively young and is one of the fastest expanding and most promising areas of clinical neurophysiology. LIETS in this context means stimulus intensities of < 4mA for up to 60 min as described by Bikson et al.

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