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Hips don't lie: Scientists
Tuesday November 15, 2011 05:08:58 PM,
IANS
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London: Your hips
could reveal your innermost secrets -- details about your mood,
your health and even if you are telling lies.
Rory Wilson, professor of aquatic biology at Swansea University,
has come up with device capable of recording up to 100 movements
per second when worn on a belt or around the ankle.
The device measures barely perceptible differences in the way a
person walks to reveal whether they are telling the truth and the
emotions they are feeling.
The same miniscule movements could also be used to detect whether
someone is going to fall ill before they feel any symptoms, Wilson
and his colleagues claim, according to the Telegraph.
Wilson initially developed the device, the Daily Diary, to study
the behaviour of penguins in the wild but has been adapting it for
use in other animals and humans.
"We are using high-end physics to precisely measure the postural
changes between 50 and 100 times a second. These tiny movements
betray what is going on.
"The implications for lie detectors are profound. How much are we
unconsciously telling our story without realising it? That would
be very useful to police to be able to pick that up.
"We have been doing some work with humans and it is possible to
tell their mood or state of mind from the movements they make," he
said.
Although the work on mood and lie detection has yet to be
published, early findings from the experiments he and his
colleagues have been conducting show it is highly effective.
Current approaches for lie detection rely upon detecting changes
in heart beat, sweating or brain activity. Changes in the levels
of stress hormones in the blood can also give a liar away.
Wilson, however, explained that a device based on the Daily Diary,
which uses accelerometers to detect body movements and is little
bigger than a watch, can be simply worn on a belt or the wrist to
record information about the way a person walks.
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More than 2.5mn people from all
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