Memory-Concealing Manipulative Sand Technique

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Brainwashing Investigation Technique
Kanji 潜脳操砂の術
Rōmaji Sennō Sōsa no Jutsu
Viz print media Sleeper Jutsu
English anime Brain Wash Jutsu
Alternative names Sand Brainwash
Manga Volume #28, Naruto Chapter #247
Anime Naruto Shippūden Episode #2
Game Naruto Shippūden: Legends: Akatsuki Rising
Appears in Anime, Manga, Game
Classification Ninjutsu
Rank A-rank
Class Supplementary
Range All ranges

The user seals away the target's memories by burying an extremely small needle into the brain's memory centre. The memories can be restored by cancelling the technique, thereby destroying the needle. If a subordinate had this operation performed on their brains and has infiltrated in enemy camp, they can safely perform spy activity over a long period of time with no memory of being a sleeper agent. This could help enhance them in their act as they will fully believe their loyalty lies with the ones they are spying upon. If the user cancels the technique, the target will once again remember their mission as sleeper agent.


  • "Sennō", when written as "洗脳", means "brainwashing". The first kanji means wash and the second means brain or memory. In this technique's name, the first kanji has been replaced with the kanji for "conceal" or "hide" emphasising the fact this technique doesn't actually wipe one's memories, but merely conceals them.


  1. Third Databook, page 280

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