Request for software program on Neuron function

Mon Apr 29 08:50:42 EST 1991

A request was made concerning a shareware program on neuron function.  A
series of programs were announced on this list some time ago, and one of those
was a program on action potentials of neurons.  What follows is that
announcement (with the description of the other programs edited out). Good

Mark Varner
ansc6 at umdc.umd.edu

Reply-To: colburn at handel.cs.colostate.edu (Alex Colburn)

Geneplot, Actpot, and Growplot Versions 4.0

    I am announcing the availability of three programs I
wrote as a biology graduate student at the University of Iowa.
These are educational programs for IBM PCs and clones that
allow students to experiment with Population Genetics, Action
Potentials, and Population Growth.  I wrote the first version
of these programs while I was a Teaching Assistant for Iowa's
Animal Biology course in the spring of 1988.  There has been
continual revision and testing since then, and currently these
programs are a fundamental part of the Animal biology course.
They have also been used at Grinnel College and Yale.  I have
recently revised these programs for VGA graphics.

    All of the programs have a graphical interface, and
require at least a CGA graphics with 256K RAM, although there
are versions for the PC JR.  I wrote these programs with the
philosophy that computer simulations should allow the student
to do experiments that are not feasible to do in a classroom
situation.  This is not an animated text book.

(Description of Genetics & Population Growth Programs
deleted by MAV)

    Actpot: The goal of this program is to allow students
to learn the basic properties of the action potential.  They will
learn about: the relationship between the membrane voltage and the
underlying currents;  The initiation of the action potential,
threshold; Absolute and relative refractory periods; Multiple action
potentials; Synaptic integration, the Role of excitatory and
Inhibitory synaptic input.  This simulation is based on the
Hodgkin and Huxley model of the squid giant axon.

If you feel that you might be interested in using these programs
please contact me at:

    email   colburn at handel.cs.colostate.edu

    Alex Colburn
    130 Brairwood #621
    Ft Collins Co, 80521

    (303) 221-9489


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