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Animals seem to dream about things that they do while they are awake II only I and II only II and III 5 As described in the passage one major difference between the study performed by Dave and Margoliash and the experiment done at MIT is that Dave and Margoliash s study measured brain activity in both sleeping and awake animals B. READTHEORY Passage and Questions Name Reading Comprehension Assessment Directions Read the passage. Then answer the questions below. Do Animals Dream Sometimes when...my dog Zippy is fast asleep her legs twitch her nose wiggles and she barks softly. Like many pet owners I am sure that Zippy is dreaming. Unfortunately Zippy cannot tell me what she was dreaming about but it certainly looks exciting. Although many once believed that only human beings were capable of dreaming a few recent studies have not only offered scientific proof that animals dream they have also given us an idea of what they dream about. Dreaming mainly occurs during Rapid Eye Movement REM...sleep* Although insects and fish do not enter REM sleep some birds and all mammals do. Of course just because an animal is in REM sleep does not necessarily mean that it is dreaming. It is also obviously unlikely that an animal would be able to tell us whether or not it dreams. In order to scientifically determine whether or not animals actually dream scientists at MIT conducted a series of experiments on rats. First the scientists trained the rats to run through a maze. While the rats ran the...scientists monitored their brain activity. The scientists were specifically interested in the hippocampus a structure in the brain responsible for memory. While the rats ran through the maze the scientists observed the rats brain waves as the rats remembered different places in the maze their brain waves moved in a particular pattern* The scientists then studied the rats brain waves as they slept. They noticed that the sleeping rats brain waves moved in the exact same patterns as they did when...the animals were awake. This discovery led scientists to conclude that the rats were most likely dreaming about running through the maze. In another experiment University of Chicago scientists Amish S* Dave and Daniel Margoliash observed the brain activity of birds called zebra finches. When male zebra finches are in search of a female they sing a special mating song. After hooking the birds up to special monitors Dave and Margoliash observed the birds brain waves as they sang this song. The...researchers then examined the the birds who sang the mating song while they were awake. This led Dave and Margoliash to believe that the birds were dreaming about their mating song possibly as a way of rehearsing it as they slept. If the experiments with rats and finches are any indication then animals like many humans probably dream about what they experience during the day. As they slept the MIT rats seemed to run through the same maze they ran through every day. The dreaming zebra finches...looked as if they were practicing same song they sang while they were awake.