To study brain activity, Dr. Nu Rho uses a new scanning technique that traces the activity of axon pathways. Dr. Rhos brain imaging procedure is known as ____.
a. diffusion tensor imaging (DTI)
b. electroencephalogra ph (EEG)
c. positron emission tomography (PET)
d. transcranial magnetic stimulation (TMS)
Question 2
Yao is participating in a study that is investigating sleep patterns. As part of the study, researchers paste electrodes to Yaos scalp. The electrodes are then hooked up to an electroencephalogra ph (EEG), which will provide information about the ____.
a. specific areas of the brain involved with sleep
b. general electrical activity of the brain during sleep
c. changes in blood flow that occur within the brain during sleep
d. physical shape of the brain structures involved with sleep
Brain signals that control hunger.
Brain mass as a function of body mass in mammals.
(A) The levels of the spinal cord and spinal nerves. (B) Photograph of the spinal cord as it descend
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