This randomized controlled trial at an inner city community hospital examined the effect of a robotic pet (cat or dog) on cognition, loneliness, depression, delirium, falls, restraint use, and 1:1 companion use in 160 adults over age 65. The study utilized robotic pets which have an audible heartbeat and interact by purring or barking, turning their heads, opening/closing their eyes, snuggling, wagging their tails, moving their paws, and showing their bellies.

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