To identify which of Lucy's brain areas was most active when she talked,neuroscientists gave her a temporarily radioactive form of glucose and a(n)

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PET scan is the most appropriate technique for measuring the activity of different brain areas. The temporarily radioactive form of glucose will be taken up by active brain cells, which can then be detected by the PET scan to identify which areas are most active during talking. Hemispherectomy is a surgical procedure in which one hemisphere of the brain is removed and is not related to measuring brain activity. EEG measures electrical activity in the brain and is not suitable for identifying specific brain regions. MRI scan provides structural images of the brain but does not measure brain activity.

To Identify Which of Lucy's Brain Areas Was Most Active