Domestic dogs match human male voices to faces, but not for females
2015
Yong, Min Hooi | Ruffman, Ted
Dogs can match human genders when viewing a live person with vocal playback in a cross-modal discrimination task. In addition, dogs behave differently towards a live human male, with more defensive aggression shown towards human males compared to females. We investigated whether domestic dogs could gender-match a human male or female voice to a still face presented on a computer monitor. Forty-five dogs were presented pairs of male and female faces displaying neutral expressions, while listening to either a male or female voice uttering a sentence in a neutral voice. We measured their looking time at the matching and non-matching faces. While dogs showed some evidence of matching male faces to voices, this was not the case for female stimuli. Our findings support previous studies that dogs are more vigilant with males than females.
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