Uncinate fasciculus

Changed by Francesco Sciacca, 30 Aug 2019

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The uncinate fasciculus is a white matter tract that connects the uncus (Brodmann area 35), the anterior temporal areas (temporal pole; Brodmann area 38), the amygdala and the hippocampal gyrus (Brodmann areas 36 and 30) with areas of the frontal lobe (polar and orbital cortex); runs - forming a curve (hook-shaped morphology) around the common trunk of the lateral sulcus (Sylvian fissure) - ventrally to the inferior front-occipital fasciculus (ifo).

Costanza Papagno et al. (Milano-Bicocca University) suggest in a their work⁶ that this fasciculus is part of a circuitry involved in the retrieval of word form for proper names. Infact the resection of the uncinate fasciculus, in its frontal or temporal part, has long-lasting consequences for face naming.

-The uncinate fasciculus connects the uncus (Brodmann area 35), the anterior temporal areas (temporal pole; Brodmann area 38), the amygdala and the hippocampal gyrus (Brodmann areas 36 and 30) with areas of the frontal lobe (polar and orbital cortex); runs - forming a curve around the common trunk of the lateral sulcus (Sylvian fissure) - ventrally to the inferior front-occipital fasciculus (ifo).
+The uncinate fasciculus is a white matter tract that connects the uncus (Brodmann area 35), the anterior temporal areas (temporal pole; Brodmann area 38), the amygdala and the hippocampal gyrus (Brodmann areas 36 and 30) with areas of the frontal lobe (polar and orbital cortex); runs - forming a curve (hook-shaped morphology) around the common trunk of the lateral sulcus (Sylvian fissure) - ventrally to the inferior front-occipital fasciculus (ifo).Costanza Papagno et al. (Milano-Bicocca University) suggest in a their work6 that this fasciculus is part of a circuitry involved in the retrieval of word form for proper names. Infact the resection of the uncinate fasciculus, in its frontal or temporal part, has long-lasting consequences for face naming.

References changed:

1. Kenichi Oishi, Andreia V. Faria, Peter C. M. van Zijl, Susumu Mori. MRI Atlas of Human White Matter. (2010) <a href="https://books.google.co.uk/books?vid=ISBN9780123820815">ISBN: 9780123820815</a>
2. Wakana S, Jiang H, Nagae-Poetscher LM, van Zijl PC, Mori S. Fiber tract-based atlas of human white matter anatomy. (2004) Radiology. 230 (1): 77-87. <a href="https://doi.org/10.1148/radiol.2301021640">doi:10.1148/radiol.2301021640</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/14645885">Pubmed</a>
3. Dini LI, Vedolin LM, Bertholdo D, Grando RD, Mazzola A, Dini SA, Isolan GR, da Costa JC, Campero A. Reproducibility of quantitative fiber tracking measurements in diffusion tensor imaging of frontal lobe tracts: A protocol based on the fiber dissection technique. (2013) Surgical neurology international. 4: 51. <a href="https://doi.org/10.4103/2152-7806.110508">doi:10.4103/2152-7806.110508</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/23646261">Pubmed</a>
3. Dini LI, Vedolin LM, Bertholdo D, Grando RD, Mazzola A, Dini SA, Isolan GR, da Costa JC, Campero A. Reproducibility of quantitative fiber tracking measurements in diffusion tensor imaging of frontal lobe tracts: A protocol based on the fiber dissection technique. (2013) Surgical neurology international. 4: 51. <a href="https://doi.org/10.4103/2152-7806.110508">doi:10.4103/2152-7806.110508</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/23646261">Pubmed</a>
4. Alvin M. Burt. Trattato di neuroanatomia. (1996) <a href="https://books.google.co.uk/books?vid=ISBN9788829913169">ISBN: 9788829913169</a>
4. Alvin M. Burt. Trattato di neuroanatomia. (1996) <a href="https://books.google.co.uk/books?vid=ISBN9788829913169">ISBN: 9788829913169</a>
5. Dario Grossi, Luigi Trojano. Neuropsicologia dei lobi frontali. Sindromi disesecutive e disturbi del comportamento. (2019) <a href="https://books.google.co.uk/books?vid=ISBN9788815246066">ISBN: 9788815246066</a>
5. Dario Grossi, Luigi Trojano. Neuropsicologia dei lobi frontali. Sindromi disesecutive e disturbi del comportamento. (2019) <a href="https://books.google.co.uk/books?vid=ISBN9788815246066">ISBN: 9788815246066</a>
6. Papagno C, Miracapillo C, Casarotti A, Romero Lauro LJ, Castellano A, Falini A, Casaceli G, Fava E, Bello L. What is the role of the uncinate fasciculus? Surgical removal and proper name retrieval. (2011) Brain : a journal of neurology. 134 (Pt 2): 405-14. <a href="https://doi.org/10.1093/brain/awq283">doi:10.1093/brain/awq283</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/20959310">Pubmed</a>
4. Dini LI, Vedolin LM, Bertholdo D, Grando RD, Mazzola A, Dini SA, Isolan GR, da Costa JC, Campero A. Reproducibility of quantitative fiber tracking measurements in diffusion tensor imaging of frontal lobe tracts: A protocol based on the fiber dissection technique. (2013) Surgical neurology international. 4: 51. <a href="https://doi.org/10.4103/2152-7806.110508">doi:10.4103/2152-7806.110508</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/23646261">Pubmed</a>
5. Alvin M. Burt. Trattato di neuroanatomia. (1996) <a href="https://books.google.co.uk/books?vid=ISBN9788829913169">ISBN: 9788829913169</a>
6. Dario Grossi, Luigi Trojano. Neuropsicologia dei lobi frontali. Sindromi disesecutive e disturbi del comportamento. (2019) <a href="https://books.google.co.uk/books?vid=ISBN9788815246066">ISBN: 9788815246066</a>