User blog comment:Drayco90/Drayco's Summer Sci-Fi Special: The Guardians of the Galaxy vs. Shepard's Team/@comment-5465602-20140821163630/@comment-143604-20140910044653

The Mass Effect universe hasn't displayed any defense against mental-based attacks and projections in the past. ME technology was developed along the guidelines the Reapers wanted, and developing mental-protecting gear would've likely made Indoctrination harder.