In this tutorial, we will expand upon the previous neuroanatomical model for horizontal saccades. Key structures/terms: frontal eye fields; frontal eye field: a discrete region in the anterior precentral sulcus near to the superior frontal sulcus that is homologous to the location to the frontal eye field of the macaque monkey; supplementary eye field and dorsolateral prefrontal cortex; superior colliculus and cerebellum; anterior cingulate cortex and basal ganglia; contralateral volitional horizontal gaze palsy; excitatory burst neurons -- lie within the nucleus reticularis pontis caudalis of the paramedian pontine reticular formation (PPRF); abducens nucleus; inhibitory burst neurons -- nucleus paragigantocellularis dorsalis of the medullary reticular formation within the pontomedullary junction just anterior to the plane of the abducens nucleus; ocular flutter: high frequency conjugate horizontal saccades without an intersaccadic interval; perihypoglossal complex -- the medial vestibular nucleus and nucleus prepositis hypoglossi, which lie along the dorsal tegmentum of the upper medulla just anterior to the fourth ventricle; leaky integrator; omnipause neurons -- nucleus raphe interpositus, which sits in midline in between the rootlets of the abducens nerves in the mid-pontine tegmentum; opsoclonus: multidirectional saccadic oscillations without an intersaccadic interval; slowing of saccades.