Cases of Cerebral Tumour Illustrating Diagnosis and Localisation.

Gowers, W.R.

doi:10.1016/s0140-6736(02)44504-7

Cited by 4 publications

(2 citation statements)

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“…Occipital lobe epilepsy (OLE) represents less than 10 % of extratemporal epilepsies and as few as 2 % of resective epilepsy procedures [7,55]. Sir William Richard Gowers first described OLE in 1879 as "epileptoid attacks with visual auras" in a patient with a parieto-occipital tumor [42]. Although there are typical clinical features of occipital lobe attacks such as visual hallucinations, ictal blindness, and oculomotor symptoms, patients with OLE may also have features of temporal or fronto-parietal epilepsy [89].…”

Section: Li-am Bundlementioning

confidence: 99%

New insights in the limbic modulation of visual inputs: The role of the inferior longitudinal fasciculus and the Li-Am bundle

Latini¹

2014

Neurosurg Rev

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Recent anatomical and DTI data demonstrated new aspects in the subcortical occipito-temporal connections. Although a direct (inferior longitudinal fasciculus, ILF) pathway has been previously described, its fine description is still matter of debate. Moreover, a fast and direct subcortical connection between the limbic system and the occipital lobe has been previously recognized in many functional studies but it still remains poorly documented by anatomical images. We provided for the first time an extensive and detailed anatomical description of the ILF subcortical segmentation. We dissected four human hemispheres with modified Klingler's technique, from the basal to the lateral occipito-temporal surface in the two steps, tracking the ILF fibers until their cortical termination. Pictures of this direct temporo-occipital pathway are discussed in the light of recent literature regarding anatomy and functions of occipito-temporal areas. The dissection confirmed the classical originating branches of ILF and allowed a fine description of two main subcomponent of this bundle, both characterized by separate hierarchical distribution: a dorsal ILF and a ventral ILF. Moreover, a direct pathway between lingual cortex and amygdala, not previously demonstrated, is here described with anatomical images. Even if preliminary in results, this is the first fine description of ILF's subcomponents. The complex but clearly segregated organization of the fibers of this bundle (dILF and vILF) supports different level of functions mediated by visual recognition. Moreover, the newly described direct pathway from lingual to amygdala (Li-Am), seems involved in the limbic modulation of visual processing, so it may support physiological conditions the crucial role of this connection in human social cognition. In pathological conditions, on the other hand, this may be one of the hyperactivated pathways in temporo-occipital epileptic and nonepileptic syndromes.

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Section: Li-am Bundlementioning

confidence: 99%

New insights in the limbic modulation of visual inputs: The role of the inferior longitudinal fasciculus and the Li-Am bundle

Latini¹

2014

Neurosurg Rev

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“…Firstly described in 1879 in a patient with a parieto-occipital tumour [ 1 ], occipital lobe epilepsy (OLE) is still nowadays considered a rare condition that represents less than 2–13% of extratemporal epilepsies [ 2 – 5 ].…”

Section: Introductionmentioning

confidence: 99%

The Classical Pathways of Occipital Lobe Epileptic Propagation Revised in the Light of White Matter Dissection

Latini

Hjortberg

Aldskogius

et al. 2015

Behavioural Neurology

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The clinical evidences of variable epileptic propagation in occipital lobe epilepsy (OLE) have been demonstrated by several studies. However the exact localization of the epileptic focus sometimes represents a problem because of the rapid propagation to frontal, parietal, or temporal regions. Each white matter pathway close to the supposed initial focus can lead the propagation towards a specific direction, explaining the variable semiology of these rare epilepsy syndromes. Some new insights in occipital white matter anatomy are herein described by means of white matter dissection and compared to the classical epileptic patterns, mostly based on the central position of the primary visual cortex. The dissections showed a complex white matter architecture composed by vertical and longitudinal bundles, which are closely interconnected and segregated and are able to support specific high order functions with parallel bidirectional propagation of the electric signal. The same sublobar lesions may hyperactivate different white matter bundles reemphasizing the importance of the ictal semiology as a specific clinical demonstration of the subcortical networks recruited. Merging semiology, white matter anatomy, and electrophysiology may lead us to a better understanding of these complex syndromes and tailored therapeutic options based on individual white matter connectivity.

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Illusions of Comparative Interpretation and Emotion

Mullan¹

1959

AMA Arch NeurPsych

208

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Cases of Cerebral Tumour Illustrating Diagnosis and Localisation.

Cited by 4 publications

References 0 publications

New insights in the limbic modulation of visual inputs: The role of the inferior longitudinal fasciculus and the Li-Am bundle

New insights in the limbic modulation of visual inputs: The role of the inferior longitudinal fasciculus and the Li-Am bundle

The Classical Pathways of Occipital Lobe Epileptic Propagation Revised in the Light of White Matter Dissection

Illusions of Comparative Interpretation and Emotion

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