Use the experiment below for Questions 10 and 11. Dr. Reddy…
Questions
Use the experiment belоw fоr Questiоns 10 аnd 11. Dr. Reddy is investigаting the neurologicаl basis for narcolepsy. Narcolepsy is a disorder of the brain in which people experience uncontrollable bouts of sleep sometimes called “sleep attacks.” Dr. Reddy is specifically interested in a neurotransmitter called hypocretin which promotes wakefulness. To test the effects of hypocretin on the frequency of narcoleptic sleep attacks, she separates 40 mice with narcolepsy into two groups. The first group includes 20 mice with low levels of hypocretin in their brains and these mice receive no injection. The second group includes 20 mice who also have low levels of hypocretin, but receive an injection to increase their brain hypocretin levels to established normal values. Dr. Reddy determines the frequency of sleep attacks during the 24 hour period for each mouse.
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