indii/fmri/hemodynamic/LogNeuralBalloonModelDefaults.hpp

00001 #ifndef INDII_FMRI_HEMODYNAMIC_LOGNEURALBALLOONMODELDEFAULTS_HPP
00002 #define INDII_FMRI_HEMODYNAMIC_LOGNEURALBALLOONMODELDEFAULTS_HPP
00003 
00004 #include "indii/ml/ode/FunctionStatic.hpp"
00005 
00006 namespace indii {
00007   namespace fmri {
00008     namespace hemodynamic {
00009 
00010 /**
00011  * Default biophysical parameter and function settings for
00012  * LogNeuralBalloonModel.
00013  *
00014  * @author Lawrence Murray <lawrence@indii.org>
00015  * @version $Rev: 285 $
00016  * @date $Date: 2007-07-20 17:25:40 +0100 (Fri, 20 Jul 2007) $
00017  *
00018  * These are based on values given in @ref Friston2003
00019  * "Friston et al. (2003)".
00020  */
00021 class LogNeuralBalloonModelDefaults {
00022 public:
00023   /**
00024    * \f$f_{in}(t) = e^{\ln f}\f$
00025    */
00026   static indii::ml::ode::f_t F_IN;
00027 
00028   /**
00029    * \f$\frac{d \ln f}{dt} = \frac{\dot{f}}{f}\f$; differential
00030    * equation in log space, where \f$\dot{f} = \frac{df}{dt}\f$ is
00031    * defined as in NeuralBalloonModelDefaults.
00032    */
00033   static indii::ml::ode::f_t DLNFDT;
00034 
00035   /**
00036    * \f$\frac{ds}{dt} = \epsilon u(t) - \frac{s}{\tau_s} -
00037    *   \frac{(f-1)}{\tau_f}\f$; differential equation.
00038    */
00039   static indii::ml::ode::f_t DSDT;
00040 
00041 };
00042 
00043     }
00044   }
00045 }
00046 
00047 #endif

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