Pallidothalamic tracts

Pallidothalamic tracts

The 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. (Pallidothalamic connections visible but not labeled, as red line from GPi to THA.)

Anatomical terms of neuroanatomy

The pallidothalamic tracts (or pallidothalamic connections)[1] are a part of the basal ganglia. They provide connectivity between the globus pallidus and the thalamus, primarily the ventral anterior nucleus and the ventral lateral nucleus.


They are composed of the ansa lenticularis, the lenticular fasciculus (field H2 of Forel), and the thalamic fasciculus (field H1 of Forel).

See also


  1. Gallay MN, Jeanmonod D, Liu J, Morel A (August 2008). "Human pallidothalamic and cerebellothalamic tracts: anatomical basis for functional stereotactic neurosurgery". Brain Struct Funct. 212 (6): 443–63. doi:10.1007/s00429-007-0170-0. PMC 2494572Freely accessible. PMID 18193279.
  2. Estomih Mtui; Gregory Gruener (2006). Clinical Neuroanatomy and Neuroscience: With STUDENT CONSULT Online Access. Philadelphia: Saunders. p. 359. ISBN 1-4160-3445-5.
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