What is bidirectional nystagmus?

What is bidirectional nystagmus? Bidirectional nystagmus, I.E fast component to the right with rightward gaze and to the left with leftward gaze, is concerning for a central process, as is vertical nystagmus or pure torsional nystagmus. What is bilateral nystagmus? Nystagmus is a vision condition in which the eyes make Read more…

What is corticofugal?

What is corticofugal? adj. describing nerve fibers or tracts that exit from the cerebral or cerebellar cortex. Corticofugal nerve fibers from the cerebral cortex include corticospinal, corticonuclear, and corticopontine fibers. What are Corticofugal projections? Corticofugal projection neurons (CFuPNs) are projection neurons that connect the cerebral cortex and subcortex and transmit Read more…