Which structure forms the floor of the fourth ventricle in the rostral pons and medulla?

Memory loss associated with lesions of the anterior nuclear group of the thalamus is known as which syndrome? 

The periaqueductal gray matter surrounds the [BLANK-1] throughout the midbrain. 

The nucleus raphe magnus in the rostral medulla serves as a major site of origin for which neurotransmitter system?

Second-order sensory axons forming internal arcuate fibers decussate in the mid-medulla to ascend as the:

The nucleus solitarius receives general and special visceral afferent inputs from which cranial nerves?

The endocrine structure in the epithalamus that secretes melatonin is the [BLANK-1].    

Vascular or traumatic lesions restricted to the subthalamic nucleus produce which characteristic involuntary motor movement disorder?

What percentage of corticospinal fibers cross over in the decussation of the pyramids in the caudal medulla? 

Which cerebellar nucleus is the largest and discernible with the naked eye?