31 January 2012
Last updated at 23:29 ET
The studies focused on a part of the brain associated with sounds called the superior temporal gyrus
Researchers have demonstrated a striking method to reconstruct words, based on the brain waves of patients thinking of those words.
The technique reported in PLoS Biology relies on gathering electrical signals directly from patients’ brains.
Based on signals from listening patients, a computer model was used to reconstruct the sounds of words that patients were thinking of.
The method may in future help comatose and locked-in patients communicate.
Several approaches have in recent years suggested that scientists are closing in on methods to tap into our very thoughts.
In a 2011 study, participants with electrodes in direct brain contact were able to move a cursor on a screen by simply thinking of vowel sounds.
A technique called functional magnetic resonance imaging to
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