Meaning of "Institutional Man" by Dio{{!

The lyrics of "Institutional Man" delve into the theme of isolation and mental imprisonment. The protagonist describes feeling disconnected from the outside world, building walls around themselves to avoid being affected by others. This self-imposed isolation leads to a sense of numbness, where the protagonist no longer feels anything and struggles to connect with their emotions. The reference to needing new parts for the brain suggests a desire for change or self-improvement, a longing to break free from the confines of their own mind. The repeated plea to be set free highlights the longing for liberation from mental constraints. Overall, the lyrics paint a picture of someone struggling with internal battles and seeking a way to escape the isolating effects of their own mind.