From e86825cf0cf11ec4bad6e007bf7fe4a91230aeeb Mon Sep 17 00:00:00 2001 From: EnfxcFCb6 Date: Wed, 9 Jul 2025 16:14:12 -0400 Subject: [PATCH] Standardized README to Markdown format --- README.md | 23 +++++++++++++++++++++++ index.html | 37 ------------------------------------- 2 files changed, 23 insertions(+), 37 deletions(-) create mode 100644 README.md delete mode 100644 index.html diff --git a/README.md b/README.md new file mode 100644 index 0000000..52e6ffd --- /dev/null +++ b/README.md @@ -0,0 +1,23 @@ +# For the paper: + +Sturzl W, Kempter R, van Hemmen JL (2000) Theory of arachnid prey localization. *Phys Rev Lett* 84:5668-71 + +## Abstract: + +Sand scorpions and many other arachnids locate their prey through highly sensitive slit sensilla at the tips (tarsi) of their eight legs. This sensor array responds to vibrations with stimulus-locked action potentials encoding the target direction. We present a neuronal model to account for stimulus angle determination using a population of second-order neurons, each receiving excitatory input from one tarsus and inhibition from a triad opposite to it. The input opens a time window whose width determines a neuron's firing probability. Stochastic optimization is realized through tuning the balance between excitation and inhibition. The agreement with experiments on the sand scorpion is excellent. + +Brian simulator models are available at this web page: + +[http://briansimulator.org/docs/examples-frompapers_Sturzl_et_al_2000.html](http://briansimulator.org/docs/examples-frompapers_Sturzl_et_al_2000.html) + +Note that the poisson input in the paper was replaced by integrate and fire neurons. The simulation generates an image of eight neurons spike activity from a prey at 144 degrees (see phi assignment on line 8 in Brian program at above link): + +![screenshot](./screenshot.png) + +This simulation requires Brian which can be downloaded and installed from the instructions available at [http://www.briansimulator.org/](http://www.briansimulator.org/) + +For support on installing and using Brian simulations there is a support group at [https://groups.google.com/group/briansupport](https://groups.google.com/group/briansupport). + +--- + +2025-07-09: Converted README to Markdown. \ No newline at end of file diff --git a/index.html b/index.html deleted file mode 100644 index 1e59651..0000000 --- a/index.html +++ /dev/null @@ -1,37 +0,0 @@ -
-For the paper:
-
-Sturzl W, Kempter R, van Hemmen JL (2000) Theory of arachnid prey
-localization. Phys Rev Lett 84:5668-71
-
-Abstract:
-
-Sand scorpions and many other arachnids locate their prey through
-highly sensitive slit sensilla at the tips (tarsi) of their eight
-legs. This sensor array responds to vibrations with stimulus-locked
-action potentials encoding the target direction. We present a neuronal
-model to account for stimulus angle determination using a population
-of second-order neurons, each receiving excitatory input from one
-tarsus and inhibition from a triad opposite to it. The input opens a
-time window whose width determines a neuron's firing
-probability. Stochastic optimization is realized through tuning the
-balance between excitation and inhibition. The agreement with
-experiments on the sand scorpion is excellent.
-
-Brian simulator models are available at this web page:
-
-http://briansimulator.org/docs/examples-frompapers_Sturzl_et_al_2000.html
-
-Note that the poisson input in the paper was replaced by integrate and
-fire neurons.  The simulation generates an image of eight neurons
-spike activity from a prey at 144 degrees (see phi assignment on line
-8 in Brian program at above link):
-
-screenshot
-
-This simulation requires Brian which can be downloaded and installed
-from the instructions available at http://www.briansimulator.org/
-
-For support on installing and using Brian simulations there is a
-support group at https://groups.google.com/group/briansupport.
-