Walk the line: parietal neurons respect category boundaries

Categorization of objects has been considered a function of the temporal 'what' pathway, but a new paper shows that neurons in the lateral intraparietal area of the 'where' pathway show learned responses based on category boundaries.

Access options

Rent or Buy article

Get time limited or full article access on ReadCube.

from$8.99

All prices are NET prices.

Figure 1: Reward-based models of LIP category learning.

References

  1. 1

    Freedman, D. & Assad, J.A. Nature 443, 85–88 (2006).

  2. 2

    Horwitz, G.D., Batista, A.P. & Newsome, W.T. J. Neurophysiol. 91, 2281–2296 (2004).

  3. 3

    Heekeren, H.R., Marrett, S., Ruff, D.A., Bandettini, P.A. & Ungerleider, L.G. Proc. Natl. Acad. Sci. USA 103, 10023–10028 (2006).

  4. 4

    Ungerleider, L.G. & Mishkin, M. in Analysis of Visual Behavior (eds. Ingle, D.J., Goodale, M.A. & Mansfield, R.J.) 549–586 (MIT Press, Cambridge, Massachusetts, 1982).

  5. 5

    Farah, M. Visual Agnosia: Disorders of Object Recognition and What They Tell Us about Normal Vision (MIT Press, Cambridge, Massachusetts, 1990).

  6. 6

    Meadows, J. J. Neurol. Neurosurg. Psychiatry 37, 489–501 (1974).

  7. 7

    Hillis, A.E. Neuroscientist 12, 153–163 (2006).

  8. 8

    Sereno, A.B. & Maunsell, J.H. Nature 395, 500–503 (1998).

  9. 9

    Goldberg, M.E., Bisley, J., Powell, K.D., Gottlieb, J. & Kusunoki, M. Ann. NY Acad. Sci. 956, 205–215 (2002).

  10. 10

    Shadlen, M.N. & Newsome, W.T. J. Neurophysiol. 86, 1916–1936 (2001).

  11. 11

    Platt, M.L. & Glimcher, P.W. Nature 400, 233–238 (1999).

  12. 12

    Ashby, F.G. & Maddox, W.T. Annu. Rev. Psychol. 56, 149–178 (2005).

  13. 13

    Hikosaka, O., Sakamoto, M. & Usuai, S. J. Neurophysiol. 61, 814–832 (1989).

  14. 14

    Grinband, J., Hirsch, J. & Ferrera, V.P. Neuron 49, 757–763 (2006).

  15. 15

    Freedman, D.J., Riesenhuber, M., Poggio, T. & Miller, E.K. Science 291, 312–316 (2001).

Download references

Author information

Rights and permissions

Reprints and Permissions

About this article

Cite this article

Ferrera, V., Grinband, J. Walk the line: parietal neurons respect category boundaries. Nat Neurosci 9, 1207–1208 (2006). https://doi.org/10.1038/nn1006-1207

Download citation

Further reading