Behavioral biology diagram

Robert Sapolsky’s diagram to understand behavior from different scientific fields (“buckets”) at different time scales: neurobiology, endocrinology, genetics, epigenetic, and evolution. See Sapolsky’s Stanford lecture on YouTube, Fig. 1b of these lecture notes, or his book Behave!. Also see punctuated equilibrium.

Edit and compile if you like:

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% Author: Izaak Neutelings (July 2020)
\documentclass[border=3pt,tikz]{standalone}
\usepackage{amsmath} % for \;
\usepackage{tikz}
\usepackage{xcolor}
\colorlet{myblue}{blue!70!black}
\colorlet{mylightblue}{blue!10}
\colorlet{branch}{green!30!black}
\colorlet{evolcol}{green!50!black}
\colorlet{natalcol}{red!50!white!60!black}
\colorlet{hormcol}{orange!70!black}
\colorlet{ethcol}{yellow!80!black}
\colorlet{stimcol}{red!80!black}
\colorlet{neurcol}{blue!80!black}
\tikzset{>=latex} % for LaTeX arrow head
\usetikzlibrary{tikzmark} % for subnode
\usetikzlibrary{decorations.pathreplacing} % for curly braces
\begin{document}
\begin{tikzpicture}[xscale=1.3]
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  % GROUPS
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    (3.0,-1.78) rectangle (7.3,1.75);
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    (6.05,1.85) rectangle (8.4,0.35);
  %\draw[thick,ethcol!60!black,fill=ethcol!90,rounded corners=7,opacity=0.2]
  %  (7.4,-1.65) rectangle (11.3,1.75);
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  %  (9.85,1.75) rectangle (7.35,0.43);
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    (7.38,-1.68) rectangle (9.85,1.75);
  \node[evolcol!90!black,below=2,above right=2] at (-0.45,1.82) {evolution};
  \node[natalcol!90!black,above=4,below right=2] at (3,-1.78) {epigenetics};
 
 
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