Complete the sentences with the words derived from the words in brackets

Wouldn't learning be a lot easier if we could just implantknowledge into our brains? While this may seem 1)[ ], new research suggests that it could soon be a 2)[ ] ! Scientists have found that when welearn, pictures 3)[ ] form in our brains. This requires hours of practice, but over time, a memory or skill is acquired. Using new technology, scientists have managed to monitor brain 4)[ ] to locate the areas of the brain which respond to learning. Using this 5)[ ], they have been able to artificially stimulate the brain,and as a result, improved a person's 6)[ ] in certain tasks. Not only that, but the test subjects were totally 7)[ ] that they were being taught anything,making learning completely 8)[ ] ! Although the experiment has only worked on one area of the brain, scientists are 9)[ ] that this method could enhance various skills, such as 10)[ ] ability. However, critics warn that the power to plant thoughts into the brain is an extremely 11)[ ] tool, and if it were to be used 12)[ ] ,it could have very serious consequences.