Transcranial Electrical Stimulation (tES) is a collective name for various forms of electrical stimulations. tES consists of several types of electrical stimulations: direct current, alternating current, randomized noise
Direct current stimulation is called Transcranial Direct Current Stimulation (tDCS). It is a method in which a weak direct current affects the functioning of the brain cells.
Alternating current stimulations can also be divided into different forms: Transcrainial Alternating Current Stimulation (tACs), Transcrainial Random Noise Stimulation (TrNs) and Transcrainial Pink Noise Stimulation (TPNs).
Advanced versions of transcranial electrical stimulations use multiple electrodes so that the current can be more focused. This is called High Definition TeS (HD-TES).
Two or more electrodes are placed on the scalp and attached with a rubber band, a mesh bandage or are incorporated into an EEG cap. The position of the electrodes depends on the stimulation zone and the intended purpose of the stimulation.
TeS is not painful, although you feel slight tingling on the skin under the electrode during stimulation. tES has no serious side effects. During a TES session, the patient sits in a comfortable chair.
To achieve an effect, 2 to 3 stimulations per week are performed. Only after 5 to 6 sessions can it be evaluated whether the stimulation will influence the symptoms. A complete treatment consists of a minimum of 8 to 12 stimulations. To maintain the effect, the frequency of the stimulations is gradually reduced after an intensive treatment period.
At various points in the treatment process, the clinical effect is discussed during a follow-up consultation.
If necessary, a qEEG control will be carried out.
An umbrella term for various electrical stimulation techniques:
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