Cerebral Excitability and Cognitive Performance

Exclusion Criteria

• •History of adverse reaction to tDCS (trans-cranial direct current stimulation).
• •History of seizure activity.
• •History of head injury (including neurosurgery).
• •History of illness causing brain injury.
• •History of other brain-related condition (such as traumatic brain injury).
• •History of diagnosis with a neurological or psychiatric disorder.
• •History of metal in head (outside of mouth), such as shrapnel, surgical clips, or fragments from welding or metalwork.
• •History of sensitive scalp.