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Knowing the user’s point of gaze has significant potential to enhance current human-computer interfaces, given that eye movements can be used as an indicator of the attentional state of a user. The primary obstacle of integrating eye movements into today’s interfaces is the availability of a reliable, low-cost open-source eye-tracking system.(More)
The termination of geniculocortical fibres within the different subdivisions of lamina IV in area 17 of the visual cortex of the monkey has been studied quantitatively with the electron microscope. In lamina IVC alpha the axon terminals of fibres coming from the magnocellular layers of the lateral geniculate nucleus (LGN) make significantly more synapses(More)
The postnatal development of synapses in the different laminae of the visual cortex has been studied in normal kittens and in kittens with unilateral or bilateral eyelid suture. In general, in normal kittens all laminae underwent basically the same two phases of development as for the cortex as a whole: an initial rapid rise to a peak at about 70 days of(More)
High-dose chemotherapy and radiotherapy with autologous bone-marrow transplantation (ABMT) are increasingly used for the treatment of relapsed and resistant Hodgkin's disease, although there has been no randomised trial of this treatment. The British National Lymphoma Investigation therefore undertook a randomised comparison of high-dose chemotherapy (BEAM(More)
Progressive multifocal leukoencephalopathy (PML) results from lytic infection of oligodendrocytes by JC virus (JCV). Although JCV has been identified in mononuclear cells in bone marrow and hematogenous dissemination of the virus to the central nervous system has been suspected, JCV has never been clearly demonstrated in the peripheral circulation. Using(More)
A study has been made of the number and distribution of the Meynert cells in area 17 of the visual cortex in the macaque monkey. There are between 30 000 and 40 000 Meynert cells in one hemisphere and these are randomly distributed with an average uniform area density of about 25 cells per square millimetre. The area density of Meynert cells is similar in(More)
A study has been made of the basal dendrites of Meynert cells in the striate cortex of the macaque monkey in sections parallel to the pial surface impregnated by the Golgi technique. The longest basal dendrite observed extended up to 0.6 mm and the average length of the longest dendrite on each cell was about 0.28 mm. In general, the dendritic field was in(More)
Counts have been made of the number of cells in individual laminae of the cortex in area 17 of the macaque monkey and cat, and degenerating terminals of geniculo-cortical axons have been studied with the electron-microscope in laminae IVab and IVc of the cortex of area 17 and lamina IV of area 18 of the visual cortex of the cat. The increase in number of(More)
The neuronal cell somata in the cortex of the motor and visual areas of the cat and rat have been studied with the electron microscope. It has been possible to recognize the cell types which have been identified in the corresponding functional areas of the cortex of the monkey: pyramidal, large and small non-pyramidal. The large non-pyramidal or stellate(More)