From c20d7b5594b1a0415c0aa52f19714c6e3107f491 Mon Sep 17 00:00:00 2001 From: Jan Grewe Date: Sun, 2 Nov 2014 14:16:14 +0100 Subject: [PATCH] [projects] update of stimulus reconstruction assignment --- .../stimulus_reconstruction.tex | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/projects/project_stimulus_reconstruction/stimulus_reconstruction.tex b/projects/project_stimulus_reconstruction/stimulus_reconstruction.tex index 5698713..44ae7b0 100755 --- a/projects/project_stimulus_reconstruction/stimulus_reconstruction.tex +++ b/projects/project_stimulus_reconstruction/stimulus_reconstruction.tex @@ -32,11 +32,15 @@ %%%%%%%%%%%%%% Questions %%%%%%%%%%%%%%%%%%%%%%%%% \section*{Reverse reconstruction of the stimulus evoking neuronal responses.} During the course we have used the Spike-Triggered-Average to -reconstruct the stimulus +reconstruct the stimulus a neuron has been stimulated with. \begin{questions} - \question . + \question In the accompanying files you find the spike responses of + P-units and pyramidal neurons of the weakly electric fish + \textit{Apteronotus leptorhynchus}. The respective stimuli are + stored in separate files. Start with the P-unit and, in the end, + apply the same functions to the pyramidal data. \begin{parts} - \part Estimate the STA and plot it for each of the cells. + \part Estimate the STA and plot it. \part Implement a function that estimates the reconstruction error using the mean-square-error and express it relative to the variance of the original stimulus. @@ -50,8 +54,7 @@ reconstruct the stimulus error. \part Plot the reconstruction error as a function of the data amount used to estimate the STA. - \part Apply the STA estimated for one neuron to reconstruct - the stimulus another neuron has seen. + \part Do the same for the pyramidal neuron, what do you observe? \end{parts} \end{questions}