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Laser Ablation Experiments Are Being Performed in Laboratory Animals to Ascertain

Question 8

Multiple Choice

Laser ablation experiments are being performed in laboratory animals to ascertain the effects, on feeding behaviors, of damage to certain regions of the brain. In one series of experiments it is found that loss of the targeted brain region causes the animals to avoid food, no matter the time of day, nor how long they have gone without eating. The ablation was centered on the hypothalamus and these results strongly indicate the damage affected in which of the following regions of this structure?


A) lateral hypothalamic area (LHA)
B) nucleus of the solitary tract (NTS, NST)
C) paraventricular nucleus of the hypothalamus (PVN, PVH)
D) suprachiasmatic nucleus (SCN)
E) ventromedial hypothalamus (VMH, VMN)

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