Futurologist Dr Ian Pearson believes a helmet placed on a human head in a laboratory will be able to project their thoughts in real-time.
He spoke after researchers claimed they can tell what rats are thinking by analysing activity in their brains.
But ex-cybernetics engineer Pearson believes humans are will be able to take it one step further.
The Futurizon blogger believes either a TV or PC screen will display human thoughts as the person is thinking them live.
But he warned governments could abuse the technology as a means for surveillance.
He continued: "I have no confidence at all in governments behaving in a correct way when it comes to privacy issues.
"They will always err on the side of having a little more surveillance just in case, they will never protect our privacy."