project fixes, methods figure

projects/project_adaptation_fit/adaptation_fit.tex

@@ -42,7 +42,8 @@ electroreceptors of the weakly electric fish \textit{Apteronotus
   \question In the accompanying datasets you find the
   \textit{spike\_times} of an P-unit electrorecptor to a stimulus of a
   certain intensity, i.e. the \textit{contrast} which is also stored
-  in the file.
+  in the file. The data is sampled with 20\,kHz sampling frequency and
+  spike times are given in milliseconds relative to the stimulus onset.
   \begin{parts}
     \part Estimate for each stimulus intensity the PSTH and plot
     it. You will see that there are three parts.  (i) The first

projects/project_onset_fi/onset_fi.tex

@@ -39,7 +39,8 @@ of the stimulus \textbf{I}ntensity.
   \question In the accompanying datasets you find the
   \textit{spike\_times} of an P-unit electroreceptor of the weakly
   electric fish \textit{Apteronotus leptorhynchus} to a stimulus of a
-  certain intensity, i.e. the \textit{contrast}. 
+  certain intensity, i.e. the \textit{contrast}. The spike times are
+  given in milliseconds relative to the stimulus onset.
   \begin{parts}
     \part For each stimulus intensity estimate the average response
     (PSTH) and plot it. You will see that there are three parts.  (i)

projects/project_stimulus_reconstruction/stimulus_reconstruction.tex

@@ -45,8 +45,10 @@ reconstruct the stimulus a neuron has been stimulated with.
   \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.
+  stored in separate files. The data is sampled with 20\,kHz temporal
+  resolution and spike times are given in seconds. 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.
     \part Implement a function that estimates the reconstruction 

projects/project_vector_strength/vector_strength.tex

@@ -45,11 +45,12 @@ varies between $0$ and $1$ for no phase locking to perfect phase
 locking, respectively.
 
 \begin{questions}
-  \question In the accompanying datasets you find recrordings of the
+  \question In the accompanying datasets you find recordings of the
   ``baseline'' activity of P-unit electroreceptors of different weakly
   electric fish of the species \textit{Apteronotus leptorhynchus}.
   The files further contain respective recordings of the \textit{eod},
-  i.e. the fish's field.
+  i.e. the fish's field The data is sampled with 20\,kHz and the spike
+  times are given in seconds.
   \begin{parts}
     \part Plot an average of the single EOD cylces of each fish 
     together with an respective PSTH.