optic radiation


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Noun1.optic radiation - a nerve pathway from the lateral geniculate body to the visual cortex
nerve pathway, nerve tract, pathway, tract - a bundle of myelinated nerve fibers following a path through the brain
References in periodicals archive ?
With the help of numerous slides he discussed in detail the language pathways, visual pathway, commissural pathways, projection pathways, cortical mantle, DTI tractography and optic radiation.
Objective: "The present project aims at casting light on the neural and cognitive reorganization of visual function following unilateral lesion at various levels of the central visual system such as optic tract, optic radiation, primary visual cortex, extrastriate visual areas.
The inferior longitudinal fasciculus (ILF) and inferior fronto-occipital fasciculus (IFOF) are still classically described as the two main white matter bundles responsible for facilitating the epileptic propagation in OLE because of their close spatial relationship with the optic radiation and the primary visual cortex (V1) [18, 20].
One of the case report for temporal glioma where optic radiation was involved.
This =text fixes reference levels for all radiation emitted by electromagnetic =fields (with the exception of optic radiation and ionizing radiation).But as this is a recommendation (with no binding legal status), Member =States may insist on higher levels of protection, which is what bothers =ETNO.
Optic radiation: Optic radiation or geniculo calcarine pathway arises in the lateral geniculate nucleus and is the relay station of fibres carrying visual impulses to the occipital lobe.
Different DTI analytic methods have shown that congenitally blind (CB) or early blind (EB) subjects had atrophy [20] or decreased white matter integrity [21] in the optic radiation (OR), reduced efficiency of the brain anatomical network [22], and increased white matter integrity in the corticospinal tract (CST) [23].
Lesions which occur after the LGN produce more congruent quadrantanopias (optic radiations), respecting the midlines, or hemianopic defects if the whole optic radiation is affected.
The fibres that go to the superior colliculus are magno-cellular but do not follow the pathway via the LGN and optic radiation to the visual cortex.
Retrochiasmal Lesions (affecting the optic tract, lateral geniculate body, optic radiation) cause a partial or complete homonymous hemianopia.