lenticular fasciculus lenticular fasciculus the lenticular fasciculus is a tract connecting the globus pallidus (internus) to the thalamus and is a part of the thalamic fasciculus. it is synonymous with field h2 of forel. the thalamic fasciculus (composed of both the lenticular fasciculus and ansa lenticularis) runs to the thalamus. basically, it is part of a pathway that connects the globus pallidus and the thalamus. lenticular fasciculusthe image shows dopaminergic pathways of the human brain in normal condition (left) and parkinsons disease (right). red arrows indicate suppression of the target, blue arrows indicate stimulation of target structure. (lenticular fasciculus visible but not labeled, as red line from gpi to tha.)detailsidentifierslatinfasciculus lenticularisneuronames441neurolex idnlx_66287ta98a14.1.08.664 a14.1.09.521ta25752fma61976anatomical terms of neuroanatomy lesions in this area can result in dyskinesias such as chorea-like movements.