Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun anatomy An array of orientation columns in the visual cortex

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

hyper- +‎ column

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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

    PLoS ONE Alerts: New Articles Satohiro Tajima et al. 2010

  • 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 1981

  • 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.

    PLoS ONE Alerts: New Articles Satohiro Tajima et al. 2010

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

    PLoS ONE Alerts: New Articles Satohiro Tajima et al. 2010

  • 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.

    PLoS ONE Alerts: New Articles Satohiro Tajima et al. 2010

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

    PLoS ONE Alerts: New Articles Satohiro Tajima et al. 2010

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

    PLoS ONE Alerts: New Articles Satohiro Tajima et al. 2010

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

    PLoS ONE Alerts: New Articles Satohiro Tajima et al. 2010

  • 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.

    PLoS ONE Alerts: New Articles Satohiro Tajima et al. 2010

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

    PLoS ONE Alerts: New Articles Satohiro Tajima et al. 2010

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