Hackers can pick up private information
from your EEG signal, including information about what political
party you are affiliated with, what your religious beliefs are, and
what your sexual orientation is. This information could obviously be
used to damage your reputation, or possibly even get you arrested
someday in the future. And it's not just hackers that might scan and
use this information: police officers and the government might gather
information about you to convict you. These same people might use the
technology as a remote lie detector! Images briefly flashed through
an app can produce an emotional response. An established
understanding in neuroscience is that a strong emotional response to
a presented stimulus will produce a positive peak within the EEG
signal, on average 300 milliseconds after the stimulus is received.
This signal is known as the P300. In a scientific paper released by
researchers, it is stated: “'the P300 can be used as a
discriminative feature in detecting whether or not the relevant
information is stored in the subject’s memory. P300 has a promising
use within interrogation protocols that enable detection of potential
criminal details held by the suspect.”
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