Transcranial Direct Current Stimulation
Commonly referred to as tCDS or Neurostimulation
tDCS: is a form of neuromodulation in which a constant, low voltage, direct current is applied to the brain.
This current enters the brain at the anode, travels through brain tissue, and exits via the cathode. Positive stimulation from the anode causes depolarization of the neuron's resting membrane potential, which increases neuronal excitability. When the cathode is placed on the brain, this negative stimulation causes hyperpolarization and has an inhibitory effect. Throughout treatment, this electrical stimulation modulates neuronal activity through the regulation of pyramidal neuron excitability, glucose consumption, and cerebral blood flow.