Vertical occipital fasciculus: Difference between revisions
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==Early discovery== |
==Early discovery== |
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Originally depicted by [[Carl Wernicke]], who called it the ''senkrechte Occipitalbündel'' (vertical occipital bundle),<ref>Wernicke, Carl (1881) ''Lehrbuch der Gehirnkrankheiten: für Aerzte und Studirende'', Fig. 19 on p. 30. https://archive.org/stream/lehrbuchdergehir00wern#page/n49/mode/1up. Accessed 2014.11.18.</ref> the region was practically lost to scientific knowledge during the twentieth century.<ref>Yeatman, J. D., et al. (2014). The vertical occipital fasciculus: A century of controversy resolved by in vivo measurements.PNAS, DOI: 10.1073/pnas.1418503111, abstract. Accessed 2014.11.18</ref> [[Theodor Meynert]] had described the brain's other white matter tracts as being horizontally oriented, and did not accept Wernicke's finding. [[Heinrich Obersteiner]] named the area the "fasciculus occipitalis perpendicularis", and [[Heinrich Sachs]] named the area the "stratum profundum convexitatis". It appeared in a 1918 edition of [[Gray's Anatomy]], but fell into obscurity.<ref>https://www.theguardian.com/science/neurophilosophy/2014/nov/17/major-brain-pathway-rediscovered</ref> A [[diffusion tensor imaging]] (DTI) study in 2004 noted an area of short-range association fibers in the lateral [[occipital lobe]], which they noted corresponded to the VoF.<ref>{{cite journal|last1=Wakana|first1=Setsu|last2=Jiang|first2=Hangyi|last3=Nagae-Poetscher|first3=Lidia M.|last4=van Zijl|first4=Peter C. M.|last5=Mori|first5=Susumu|title=Fiber Tract–based Atlas of Human White Matter Anatomy1|journal=Radiology|date=January 2004|volume=230|issue=1|pages=77–87|doi=10.1148/radiol.2301021640}}</ref> |
Originally depicted by [[Carl Wernicke]], who called it the ''senkrechte Occipitalbündel'' (vertical occipital bundle),<ref>Wernicke, Carl (1881) ''Lehrbuch der Gehirnkrankheiten: für Aerzte und Studirende'', Fig. 19 on p. 30. https://archive.org/stream/lehrbuchdergehir00wern#page/n49/mode/1up. Accessed 2014.11.18.</ref> the region was practically lost to scientific knowledge during the twentieth century.<ref>Yeatman, J. D., et al. (2014). The vertical occipital fasciculus: A century of controversy resolved by in vivo measurements.PNAS, DOI: 10.1073/pnas.1418503111, abstract. Accessed 2014.11.18</ref> [[Theodor Meynert]] had described the brain's other white matter tracts as being horizontally oriented, and did not accept Wernicke's finding. [[Heinrich Obersteiner]] named the area the "fasciculus occipitalis perpendicularis", and [[Heinrich Sachs]] named the area the "stratum profundum convexitatis". It appeared in a 1918 edition of [[Gray's Anatomy]], but fell into obscurity.<ref>https://www.theguardian.com/science/neurophilosophy/2014/nov/17/major-brain-pathway-rediscovered</ref> A [[diffusion tensor imaging]] (DTI) study in 2004 noted an area of short-range association fibers in the lateral [[occipital lobe]], which they noted corresponded to the VoF.<ref>{{cite journal|last1=Wakana|first1=Setsu|last2=Jiang|first2=Hangyi|last3=Nagae-Poetscher|first3=Lidia M.|last4=van Zijl|first4=Peter C. M.|last5=Mori|first5=Susumu|title=Fiber Tract–based Atlas of Human White Matter Anatomy1|journal=Radiology|date=January 2004|volume=230|issue=1|pages=77–87|doi=10.1148/radiol.2301021640|pmid=14645885}}</ref> |
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==Structure and function== |
==Structure and function== |
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Revision as of 19:56, 29 January 2017
The vertical occipital fasciculus is a fascicle of white material running vertically in the rear of the brain. It is found at least in primates. It "is the only major fiber bundle connecting dorsolateral and ventrolateral visual cortex." [1]
Early discovery
Originally depicted by Carl Wernicke, who called it the senkrechte Occipitalbündel (vertical occipital bundle),[2] the region was practically lost to scientific knowledge during the twentieth century.[3] Theodor Meynert had described the brain's other white matter tracts as being horizontally oriented, and did not accept Wernicke's finding. Heinrich Obersteiner named the area the "fasciculus occipitalis perpendicularis", and Heinrich Sachs named the area the "stratum profundum convexitatis". It appeared in a 1918 edition of Gray's Anatomy, but fell into obscurity.[4] A diffusion tensor imaging (DTI) study in 2004 noted an area of short-range association fibers in the lateral occipital lobe, which they noted corresponded to the VoF.[5]
Structure and function
The vertical occipital fasciculus consists of long nerve fibers making connections between vision sub-regions in the rear of the brain. Research indicates that it is related to both vision and cognition, since injury to it can cause reading impairment.[6]
References
- ^ Yeatman, J.D.; et al. (November 17, 2014). "The vertical occipital fasciculus: A century of controversy resolved by in vivo measurements". PNAS. 111: E5214–E5223. doi:10.1073/pnas.1418503111.
- ^ Wernicke, Carl (1881) Lehrbuch der Gehirnkrankheiten: für Aerzte und Studirende, Fig. 19 on p. 30. https://archive.org/stream/lehrbuchdergehir00wern#page/n49/mode/1up. Accessed 2014.11.18.
- ^ Yeatman, J. D., et al. (2014). The vertical occipital fasciculus: A century of controversy resolved by in vivo measurements.PNAS, DOI: 10.1073/pnas.1418503111, abstract. Accessed 2014.11.18
- ^ https://www.theguardian.com/science/neurophilosophy/2014/nov/17/major-brain-pathway-rediscovered
- ^ Wakana, Setsu; Jiang, Hangyi; Nagae-Poetscher, Lidia M.; van Zijl, Peter C. M.; Mori, Susumu (January 2004). "Fiber Tract–based Atlas of Human White Matter Anatomy1". Radiology. 230 (1): 77–87. doi:10.1148/radiol.2301021640. PMID 14645885.
- ^ http://ilabs.washington.edu/i-labs-news/reading-and-brain-rediscovery-major-pathway
Further reading
- Yeatman, J. D., et al. (2014). "The Vertical Occipital Fasciculus: A Century of Controversy Resolved by in Vivo Measurements," PNAS, DOI: 10.1073/pnas.1418503111. Accessed 2014.11.18.
- http://www.washington.edu/news/2014/11/17/major-brain-pathway-rediscovered-after-century-old-confusion-controversy/. Accessed 2014.11.18.
- http://ilabs.washington.edu/i-labs-news/reading-and-brain-rediscovery-major-pathway.[permanent dead link] Accessed 2014.11.18.
- Wernicke, Carl (1881) Lehrbuch der Gehirnkrankheiten: für Aerzte und Studirende, Fig. 19 on p. 30. https://archive.org/stream/lehrbuchdergehir00wern#page/n49/mode/1up. Accessed 2014.11.18.