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The activity has an image with defined hotspot areas. The hotspot areas in the image are labeled as:

Superior Colliculus
Cerebral Aqueduct
Edinger-Westphal Nucleus
Lateral Lemniscus
Medial Lemniscus
Crus Cerebri (Cerebral Peduncle), Frontopontine fibers in circled area. Remember, "TOP" (Temporal-Occipital-Parietal) on top, Frontal in front. (Courtesy Dr. Shea!)
Substantia Nigra
Superior Cerebellar Peduncle
Ascending Median Longitudinal Fasciculus
Central Tegmental Tract
Spinothalamic Tract
Oculomotor Nucleus