Without effective
equipment, searching for Alzheimer's
disease sufferers who have wandered off can be inefficient. Because time
is critical in such situations, every minute lost increases the risk of a
tragic outcome.
To help reduce
potential injury to adults who wander due to Alzheimer’s, the most common form of dementia among older adults, a program called Project S.O.F.T. Ware has provided
GPS bracelets to a group of people with a history of wandering sue to
Alzheimer’s or dementia. S.O.F.T. stands for “Satellite Option Finding
Technology,” and the bracelet works like a smartphone.
According to a
recent report by Global News, the device sends a message to a secure tracking website that police can
log on to. Police can call program participants on their bracelet to ensure that
they are OK and know where they are. “The device has a speed sensor to detect unusual
behaviour (like getting in a car for those who don’t drive) and also sends a
notification if the person falls down and hits the bracelet,” the report says.
The technology isn’t
perfect. For example, detection is difficult if the battery dies, if the device
is submerged in water or if the wearer removes the bracelet. The GPS bracelet also
relies on satellite signals and cellular service, neither of which is always
accessible in certain locations or areas.
Nevertheless, after
field-testing, GPS was found to be the most accurate technology available. It also
requires fewer resources compared with radio signal tracking equipment such as
RFID, which requires sending officers out searching with antennae and
activating ground search and rescue.
With GPS, police can
use a smartphone, locate the person and call them – all within 10 minutes.
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