课程名称︰神经生物学 课程性质︰群组必修 课程教师︰杨恩诚 开课学院：生农学院 开课系所︰昆虫系 考试日期（年月日）︰99/6/21 考试时限（分钟）：3 hr 是否需发放奖励金：是 （如未明确表示，则不予发放） 试题 : 1.If someone tossed you a hot potato and you caught it, which information would reach your CNS first: the news that the potato was hot, or that is was relatively smooth? Why? 2.Your doctor taps the tendon bebeath your kneecap and your leg extends, what is the neural bass of this reflex? What iis it called? 3.Why is dopa used to treat Parkinson's disease? How does it act to alleviate the sympotoms? 4.A number of famous athletes and entertainers have accidentally killed them- selves by taking large quantities of cocaine. Usually, tha cause of death is heart falure. How would you explain the peripheral actions of cocaine? 5.Compare and contrast the functons of these three regions of the hypothalamus arcuate nucleus, the subfrontal organ, and the vascular organ of the lamina terminalis. 6.Estradiol is usually described as a female sex hormone, but it also plays a criitical role n the early development of the male bran. Explain how this happens, and why the female bran s not similarly affected by estradiol at the same stage of development. 7.The drug known as Prozac is a serotonin-selective reuptake ingibitor. How might this drug affect a person's level of anxiety and aggression? 8.The SCN receives direct input from the retina, via the retinohypothalamic tract, and this is how light-dark cycles can entrain circadian rhythms. If the retinal axons were somehow disrupted, what would be the likely effect on a person's circadian rhythms of sleeping and waking? 9.What can you conclude about the normal function of Broca's area from the observation that there are usually some comprehension deficits in Broca's aphsia? 10.How would you use fMRI or PET to look for brain areas involved in directing selective attentiopn in humans? 11.What three types of drugs are used to treat depression? What do they have in common? 12.Neurons that fire out of sync lose their link. Why? --

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