**4. Anesthetic considerations in awake surgery**

The role of the anesthesiologist during awake brain surgery is to ensure that the patient can actively and comfortably participate in tasks during DCS in a comfortable way. As we previously indicated, the first thing when considering awake surgery is to make a correct patient selection through a prior clinical and neuropsychological evaluation. It is essential to assess the airway and inquire about sleep apnea, cognitive impairment, psychiatric disorders, and to know the neurological deficits that the patient presents before the surgery.
