My

 https://www.youtube.com/@MyEternalVoice/videos

scalp

 https://www.google.com/search?q=scalp

arachidonic

 https://www.google.com/search?q=arachidonic

Trepanning

 https://www.google.com/search?q=Trepanning

guru

 https://www.google.com/search?q=guru+brain

nod

 https://www.google.com/search?q=nod

Brilliant

 https://www.google.com/search?q=Brilliant+Brain