NYSTAGMUS By N., Pam M.S. - April 7, 2013 non-voluntary, quick movement of the eyes. The eye movement might be curcular, back and forth, up and down, or a mixture. NYSTAGMUS: "The nystagmus finally ceased following the intravenous administration of medication." Related Psychology Terms MOTILITY AUTOKINESIS TRACKING RAPID EYE MOVEMENT (REM) DISSOCIATIVE STUPOR DYSKINESIA SACCADE APPARENT MOVEMENT REM SLEEP OSMOLARITY Cite this page: N., Pam M.S., "NYSTAGMUS," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/nystagmus/ (accessed April 2, 2020).