Transcranial Electrical Brain Stimulation
Norbert Jaušovec & Anja Pahor
University of Maribor, Maribor-Slovenia
The workshop will provide an overview of different methods of Transcranial electrical brain stimulation – tDCS, tRNS and tACS. It is assumed that tDCS modulates resting membrane potentials and, via this mechanism, alters spontaneous cortical activity. Anodal tDCS enhances cortical activity and excitability, while cathodal stimulation has the opposite effect. On the other hand, tACS is a newly developed stimulation technique that modulates cortical activity by affecting neuronal membrane potentials via oscillatory electrical stimulation in specific frequencies. This technique can be used to interact with ongoing rhythmic cortical activities during cognitive processes.
The different approaches will be demonstrated with a battery-operated stimulator system (DC-stimulator plus, Neuroconn, Ilmenau, Germany). Videos demonstrating the use of the technique at our lab at the University of Maribor will be shown. Discussed will be the use of tDCS, tACS and tRNS for research and clinical purposes: improving short term memory, improving general intelligence; improving motor skills and memory performance after stroke; reduction in the tendency and frequency in migraine attacks; reduction and total suppression of epilepsy attacks, potentially lowering of medication dosage; reduction in the loudness and exposure to tinnitus; the use of tDCS in depression, chronic headache, dementia, multiple sclerosis, spasticity and Parkinson diseases.