>>1923839In the summer of 1978, a group of four geologists discovered the family by chance, while circling the area in a helicopter. The scientists reported that Lykova spoke a language "distorted by a lifetime of isolation" that sounded akin to a "slow, blurred cooing".[5] This unusual speech led to the misconception that Lykova was mentally disabled. Later, after observing her skill in hunting, cooking, sewing, reading and construction, this original misconception was revised.[5] Peskov's book reports that Lykova's vocabulary expanded as she made further contact with the larger world, and he reports many of her uses of "unexpected" words in conversation.