Could we program people to block their memory to defend them against interrogation?

Again and again, she bumped up against the wall blocking his memory.

The doctor's hypothesis was that you might be blocking your memory subconsciously.

I believe the shock may have blocked your memory.

Instead they blocked her memory and powers, and placed her with a foster family as Elle.

And when Rhys went softly back into his mind and blocked his memory, even that was gone.

I blocked his memory of turning on the gas.

Daydream interference blocked his memory at every turn.

How moral was it for you to block Emily's memory to create your own dreams?

I-suppose you must block my memory when you're done.