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These will be separated from actual course quizzes so that you do not get a low score or have any frustrations. There is no need to print out the quiz­ completing. It mentally is more than sufficient.  Nonetheless, you should still go through these worksheets and think deliberately about the questions, and make your best guess as to what the answer might be.  You might be surprised to see that we do not provide an answer key!​ You will find the correct answers as you go through the subsequent lectures. As you’ll see later in the course when we address learning requirements, there is essential reasoning behind this, and these quizzes only meant to generate some curiosity and interest and to get you thinking about the material before it’s taught. Whether you get the question right or wrong is irrelevant. 1. The first thing we need to upgrade to succeed in this course is the way we approach our memory. Why might this be true? 2. Our brains store information using dense networks of electr