18 JUN 2013 by ideonexus

 Brainscans as a Form of Identification

Brainprint scans are considered the definitive method for identifying egos. Contrary to popular misconceptions, the term “brainwave scan” is a misnomer, as this form of identifier is not based on simple electroencephalography (EEG: a reading of the electrical activity created by neurons firing within the brain). The actual process for recording brainprints for identification purposes goes much deeper than that. It is based on the electrophysiological responses (event-related potentials) t...
  1  notes

The problem is that they must be updated regularly because the brain is always changing.