Intrigued by the mysteries involving communication between cats and humans, Japanese researchers Atsuko Saito and Kazutaka Shinozuka carried out the study called Vocal Recognition of Owners by Domestic Cats (Vocal Recognition of Owners by Domestic Cats), with a group of twenty cats as participants in the tests.
To carry out the study, the researchers recorded the voice of feline owners participants, who called the animal the way they usually do on a day-to-day basis. Subsequently, the voices of other people of the same sex were recorded, calling the cats in the same way that their owners do on the record.
To observe the reaction of the pussies, the researchers exposed the cats to different recordings, analyzing the occurrence of changes in the movement of the tail, head and ear of the felines when they heard the voice of their owners and strangers. The emission of sounds, the initiative to move to another place and dilation of the pupils of the animals were also observed during the tests, which showed greater reactions on the occasions when the projected voice was that of the cat owner.
However, according to the results of the study, even though there is a greater reaction from cats when exposed to the voice of their owners, the feline response it happened only in the sense of wanting to know where the voice came from, without the intention of answering it. That is, cats know when their owners call you, however, they do not intend to answer the call.
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According to the research, this conclusion was drawn from the regions of the cats' body that showed some type of reaction after the stimulus. The cats had movements in the area of the head and ears; representing a behavior linked to orientation, and not to communication (which has the tail movement and the vocal signals as the main clue).