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Neurobiologists Laura Cuaya, Raúl Hernández-Pérez, and colleagues investigated the language detection abilities of eighteen dogs. The researchers monitored the brain activity of Joey (an Australian shepherd), Mini (a mixed breed), and other dogs while the animals listened to three recordings: one of The Little Prince being read in Spanish, the second in Hungarian, and a third made up of short, randomly selected fragments of the first two, scrambled so that they didn’t resemble human speech. Each dog was familiar with either Spanish or Hungarian, but not both. The team concluded that differences in dogs’ anatomical features may affect their ability to distinguish speech from nonspeech.
Which finding from the study, if true, would most directly support the team’s conclusion?