Spatial tuning of cells in and around lateral geniculate nucleus of the cat: X and Y relay cells and perigeniculate interneurons.
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An arrangement for mounting an object to a support structure having a rear side which is difficult of access, has an anchoring element including a base portion and a plurality of leg portions extending from the base portion, and a mounting element arranged for mounting the object to the support structure and urging the anchoring element to abut against the support structure at the rear side thereof. The leg portions of the anchoring element are substantially rigid in a longitudinal direction which corresponds to a loading direction of the arrangement, and are resiliently yieldable in a transverse direction so that when the anchoring element is inserted into a mounting hole of the support structure the leg portions are urged toward one another in the transverse direction, and when the anchoring element passes rearwardly beyond the rear side of the support structure the leg portions spread apart from one another in the transverse direction. The mounting element extends through an inner passage of the base portion of the anchoring element and is operative for urging the latter so that the leg portions of the anchoring element abut against the support structure at the rear side of the latter.