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Exam focus: WJEC/Eduqas: classic evidence

Rats liked Lady Gaga

Have you ever stated that a study’s findings should not be generalised to humans because the study was conducted on rats? If so, your teacher probably told you to elaborate the point by explaining some of the differences between rats and humans. However, this may be more difficult than you think.

Recent research by Yoshiki Ito and colleagues (2022) has revealed that not only do rat brains share many of the exact same structures as human brains, their neural networks also send signals at the same speed. This allows both species to respond to auditory stimuli at the same rate, an ability that means that rats have a natural sense of rhythm, just like humans.

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Exam focus: WJEC/Eduqas: classic evidence