Cambridge IELTS 21 Test 2, Passage 1 Solution: ‘Do Animals Dream?’

When we see a dog twitching its paws or barking softly in its sleep, we often wonder if animals are dreaming of chases. From similar brainwave patterns in rats navigating a maze, to heightened visual processing activity in pigeons, and the strange skin color changes of octopuses while asleep, the reading passage Do animals dream? (Cambridge IELTS 21 – Test 2, Passage 1) offers a fascinating scientific perspective on the dream world of various species.

Falling under the theme of Neurobiology & Animal Behaviour, this reading passage tests candidates with two familiar question types: Table Completion and True/False/Not Given. Below is a detailed analysis, translation, and compilation of academic vocabulary to help you fully tackle this reading passage.

Reading Passage

Do animals dream?

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