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Wednesday, March 30, 2011

Brain Scan And Mind Reading – Not So Far

Brain scan and mind reading of the part of the brain responsible for memory have been used to detect a person’s location in the virtual environment. This enables the location of individuals as they navigate through the virtual rooms. These are used to discern what someone was doing, where they are or were and where they are planning to go. This shows that detailed mind reading will be possible with the advancing technology and research.
The hippocampus underpins the ability of a person’s mind to navigate, form, recollect memories and imagine future experiences. The mind reading and scanning is done by using multivariate pattern classification and high resolution functional MRI to decode activities across the population of neurons in the human medial temporal lobe while the participants navigate in a virtual reality environment. The position of an individual can be predicted accurately even when the visual input and task are held constant. Reading precise locations or other types of memory is difficult because fMRI (functional magnetic resonance imaging) resolves the activity of thousands of neurons at a time. 

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