Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An array of orientation columns in the visual cortex

Etymologies

hyper- +‎ column (Wiktionary)

Examples

  • Particularly, in this paper we consider a set of neurons within the spatial-frequency hypercolumn, which is found in the primary visual cortex of primates

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  • These columns make up, in turn, so-called hypercolumns, and each such hypercolumn occupies a portion of the cerebral cortex about two-by-two millimeters in area.

    Physiology or Medicine 1981 - Press Release

  • Furthermore, fitting result of the experimental data shows that the model taking into account the intra-hypercolumn gain control explains well the human performances from the quantitative view points.

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  • The thick curve represents the spectrum of an image with. (b) Spatial frequency tuning of model neurons within a hypercolumn.

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  • Fig. 1d but derived with response gain control within the hypercolumn.

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  • We set the model parameters Hypothetical response curves as functions of with model that takes into account gain control within hypercolumn.

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  • Figure 1b shows the frequency tuning functions of seven example model neurons within a spatial frequency hypercolumn.

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  • In this subsection, we consider how neuronal interaction within a hypercolumn affects the performance of the model.

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  • In the next subsection, we show that these quantitative departures from the data is diminished when we use the model taking into account the response gain control within the hypercolumn.

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  • In both models, we fitted the data by varying the numbers of neurons as the fitting parameters. (c) Data fitting by model that takes into account gain control within hypercolumn. (d) Estimated neuronal distributions using the model with gain control.

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