TUESDAY, Jan. 18 (HealthDay News) -- Seniors who want to remain in their homes despite illness and infirmity can get a high-tech assist these days.

So can their children who might worry about an elderly parent living alone, often far from family members.

The 1980s-era medical alert pendants made famous by their television advertising ("I've fallen, and I can't get up!") are now among a wide array of devices that can help keep an eye on aging parents and get them help when they need it.

Available technologies include:

• Sensors in the home to track an older person's movement, from the front door to the medicine cabinet to the refrigerator to the stove. The sensors are linked with computers that can issue alerts when people deviate from their routine.
• Global positioning system devices, using the GPS technology that's become so common in cars, that can help locate someone with dementia who's wandered from home.
• Computerized pillboxes that track whether medication is being taken on time.

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