if a signal from within one hemisphere travels from one gyrus to another gyrus it uses........................fibers a. projection b. commissural c. corpus collasum d. association

Somatic sensory nuclei of the spinal cord are located in the lateral horns. a.) true b.) false

Surgeons were able to reattach Irving’s amputated limb, sewing both the nerves and the blood vessels back together. After the surgery, which proceeded very well, the limb regained its blood supply almost immediately, but the limb remained motionless and Irving had no feeling in it for several months. Why did it take longer to reestablish innervation than circulation?

42 A patient comes to the physician because in church he has begun falling every time he closes his eyes while standing for prayer. He has also noted progressive difficulty walking, he lifts each foot high and stamps it forcefully on the ground with each step. He must watch his feet while walking to avoid striking doors or other obstacles with them. The disorder producing these symptoms most likely involves which of the following structures? A) Cerebellum B) Joints C) Muscles D) Motor cortex E) Posterior columns