Recent studies in cognitive science have repeatedly shown that human
behavior, decision making, and emotions depend heavily on the “implicit
mind”, that is, automatic, involuntary mental processes even the person
herself/himself is not aware of. We have started to develop diverse
methods to decode the implicit mind from involuntary body movements and
physiological responses, including pupil dilation, eye movements, heart
rate variability, and hormone secretion. Here, we introduce some
examples of our mind-reading technology. If the technology can be made
viable with cameras and wearable sensors, it would offer a wide range of
usage possibilities in ICT, such as smartphones that can understand the
user’s implicit intention, quantitative evaluation of user experience in
a multimedia environment, and a sports-training system that takes
account into the trainee’s mental state.
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