From Humble Neural Beginnings

نویسندگان

  • Luiz Pessoa
  • Robert Desimone
چکیده

Golowasch, J., Abbott, L.F., and Marder, E. (1999). J. Neurosci. 19, light increment over a background field is known to RC33. follow Weber’s law. Likewise, the responses of sensory Harris-Warrick, R.M., Coniglio, L.M., Levini, R.M., Gueron, S., and neurons, such as retinal ganglion cells, also approximate Guckenheimer, J. (1995). J. Neurophysiol. 74, 1404–1420. Weber’s law, and the coding of sensory input in this way LeMasson, G., Marder, E., and Abbott, L.F. (1993). Science 259, (approximately luminance contrast) greatly expands the 1915–1917. dynamic range of the cells. This allows the cells to largely MacLean, J.N., Zhang, Y., Johnson, B.R., and Harris-Warrick, R.M. preserve sensitivity to inputs whose range can vary over (2003). Neuron 37, this issue, 109–120. many orders of magnitude (e.g., retinal illumination Marder, E., and Prinz, A.A. (2002). Bioessays 24, 1145–1154. changes over at least 7 log units). Nieder and Miller Maynard, D.M. (1972). Ann. N Y Acad. Sci. 193, 59–72. found that numerosity is also coded by prefrontal neuStemmler, M., and Koch, C. (1999). Nat. Neurosci. 2, 521–527. rons according to Weber’s law.

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تاریخ انتشار 2003