Basal ganglia network by constrained spherical deconvolution: a possible cortico-pallidal pathway?
Identifieur interne : 000312 ( Main/Exploration ); précédent : 000311; suivant : 000313Basal ganglia network by constrained spherical deconvolution: a possible cortico-pallidal pathway?
Auteurs : Demetrio Milardi [Italie] ; Michele Gaeta ; Silvia Marino ; Alessandro Arrigo ; Gianluigi Vaccarino ; Enricomaria Mormina ; Giuseppina Rizzo ; Carmelo Milazzo ; Giovanni Finocchio ; Annalisa Baglieri ; Giuseppe Anastasi ; Angelo QuartaroneSource :
- Movement disorders : official journal of the Movement Disorder Society [ 1531-8257 ] ; 2015.
Abstract
In the recent past, basal ganglia circuitry was simplified as represented by the direct and indirect pathways and by hyperdirect pathways. Based on data from animal studies, we hypothesized a fourth pathway, the cortico-pallidal, pathway, that complements the hyperdirect pathway to the subthalamus. Ten normal brains were analyzed by using the high angular resolution diffusion imaging-constrained spherical deconvolution (CSD)-based technique. The study was performed with a 3T magnetic resonance imaging (MRI) scanner (Achieva, Philips Healthcare, Best, Netherlands); by using a 32-channel SENSE head coil. We showed that CSD is a powerful technique that allows a fine evaluation of both the long and small tracts between cortex and basal ganglia, including direct, indirect, and hyperdirect pathways. In addition, a pathway directly connecting the cortex to the globus pallidus was seen. Our results confirm that the CSD tractography is a valuable technique allowing a reliable reconstruction of small- and long-fiber pathways in brain regions with multiple fiber orientations, such as basal ganglia. This could open a future scenario in which CSD could be used to focally target with deep brain stimulation (DBS) the small bundles within the basal ganglia loops.
DOI: 10.1002/mds.25995
PubMed: 25156805
Affiliations:
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This could open a future scenario in which CSD could be used to focally target with deep brain stimulation (DBS) the small bundles within the basal ganglia loops.</div></front></TEI><affiliations><list><country><li>Italie</li></country></list><tree><noCountry><name sortKey="Anastasi, Giuseppe" sort="Anastasi, Giuseppe" uniqKey="Anastasi G" first="Giuseppe" last="Anastasi">Giuseppe Anastasi</name><name sortKey="Arrigo, Alessandro" sort="Arrigo, Alessandro" uniqKey="Arrigo A" first="Alessandro" last="Arrigo">Alessandro Arrigo</name><name sortKey="Baglieri, Annalisa" sort="Baglieri, Annalisa" uniqKey="Baglieri A" first="Annalisa" last="Baglieri">Annalisa Baglieri</name><name sortKey="Finocchio, Giovanni" sort="Finocchio, Giovanni" uniqKey="Finocchio G" first="Giovanni" last="Finocchio">Giovanni Finocchio</name><name sortKey="Gaeta, Michele" sort="Gaeta, Michele" uniqKey="Gaeta M" first="Michele" last="Gaeta">Michele Gaeta</name><name sortKey="Marino, Silvia" sort="Marino, Silvia" uniqKey="Marino S" first="Silvia" last="Marino">Silvia Marino</name><name sortKey="Milazzo, Carmelo" sort="Milazzo, Carmelo" uniqKey="Milazzo C" first="Carmelo" last="Milazzo">Carmelo Milazzo</name><name sortKey="Mormina, Enricomaria" sort="Mormina, Enricomaria" uniqKey="Mormina E" first="Enricomaria" last="Mormina">Enricomaria Mormina</name><name sortKey="Quartarone, Angelo" sort="Quartarone, Angelo" uniqKey="Quartarone A" first="Angelo" last="Quartarone">Angelo Quartarone</name><name sortKey="Rizzo, Giuseppina" sort="Rizzo, Giuseppina" uniqKey="Rizzo G" first="Giuseppina" last="Rizzo">Giuseppina Rizzo</name><name sortKey="Vaccarino, Gianluigi" sort="Vaccarino, Gianluigi" uniqKey="Vaccarino G" first="Gianluigi" last="Vaccarino">Gianluigi Vaccarino</name></noCountry><country name="Italie"><noRegion><name sortKey="Milardi, Demetrio" sort="Milardi, Demetrio" uniqKey="Milardi D" first="Demetrio" last="Milardi">Demetrio Milardi</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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