Add CN2 neural network vision

src/year1/cognition-and-neuroscience/module2/sections/_object_recognition.tex

@@ -91,7 +91,7 @@
 
 
 
-\subsection{Pathways}
+\section{Pathways}
 
 \begin{description}
     \item[Retino-geniculo-striate pathway] \marginnote{Retino-geniculo-striate pathway}
@@ -485,6 +485,7 @@ Object recognition requires both the following competing properties:
 
         \begin{remark}
             200 ms is the time required to move the eyes. Experiments on core object recognition don't want candidates to move their eyes.
+            Moreover, it prevents feed-back processing from starting.
         \end{remark}
 \end{description}