\documentclass{article} \usepackage[left=1in,right=1in,top=0.7in,bottom=0.5in]{geometry} \usepackage{graphicx} \usepackage{arial} \renewcommand{\rmdefault}{phv} \newcommand{\dg}{} % Datagroup \input{vc} %\pagestyle{myheadings} \pagestyle{empty} \usepackage{color} \newcommand{\VCHeader}{Datagroup: \dg. \VCDateISO\ at \VCTime. Revision \VCRevisionMod} \markboth{\VCHeader}{\VCHeader} \newlength{\colwidth} \setlength{\colwidth}{3.27in} %\newcommand{\figtitle}[1]{\textbf{#1}} \newcommand{\figtitle}[1]{} %\setlength{\parskip}{0pt} \begin{document} % As part of our efforts to improve published figure quality, we % recommend that you size your figures to fit one of three widths; % 8.3cm, 12.35cm, or 17.35cm wide (maximum figure height is 23.35 cm), % as detailed in our Figure Guidelines at % http://www.ploscompbiol.org/static/figureGuidelines.action#quickref. \fontsize{8}{20}\selectfont % \section{Main plots} % \label{plots:sec:main-plots} \figtitle{Figure 1} % : Experimental and model responses to somatic current % injection. \vspace{\baselineskip} %\includegraphics[width=0.8\linewidth]{figure1_version2010_08_27cell2_withfit-r150} \noindent\includegraphics{../../journal-paper/figures/figure1a} \begin{minipage}[b]{0.5\colwidth} \includegraphics{../../journal-paper/figures/Fig2009_10_26cell1_1sp_withfit} \includegraphics{../../journal-paper/figures/relcalcium} %\includegraphics{relcalcium} \end{minipage} \includegraphics{somainj-manual2} \includegraphics{\dg ca1_poirazi-somainj-Ra050-cv1-synrecs} % \textbf{A} Experimnentally-measured calcium fluorescence % traces from the apical trunk. \textbf{B} Height of fluorescnece peak % versus distance from the soma. \textbf{C} Top trace: time course of % membrane potential at coloured spines and soma (black). Middle trace: % time course of calcium concentration in the dendritic tree next to the % coloured spines. Bottom trace: time course of calcium concentration in % coloured spine heads. \textbf{D} peak value of the membrane potential % throughout the tree. \textbf{E} Peak value of calcium concentration % throughout the tree. \pagebreak[4] \figtitle{Figure 2} % : Response to Schaffer collateral stimulation by 240 % synchronously-activated synapses. \vspace{\baselineskip} \noindent \begin{minipage}[t]{0.5\colwidth} \textbf{A}\\ \includegraphics[width=\linewidth]{dendburst} \end{minipage} \begin{minipage}[t]{0.5\colwidth} \mbox{}\\[-0.5\baselineskip] \includegraphics{\dg ca1_poirazi-dendburst-s240-j00t1-a200-n45-bv-r170-sc0-Ra050-nr0100-cv1-synrecs} \end{minipage}\\ \noindent\includegraphics{\dg ca1_poirazi-dendburst-s240-j00t1-a200-n45-bv-r170-sc0-Ra050-nr0100-cv1} % \textbf{A} Morphology of simulated % cell, including positions of synapses (in gray). Panels % \textbf{B--E} show representative traces of membrane potential % (\textbf{B}), calcium concentration (\textbf{C}), NMDA current % (\textbf{D}) and AMPA current (\textbf{E}). Panels \textbf{F-I} show % statistics of the membrane potential and calcium traces, averaged % over 100 runs. On each run, the locations of all spines apart from % the coloured reference spines was generated randomly according to % the realistic statistics (see Methods). In each case, the black line % shows the regression of path distance on the quantity in question, % and the $R^2$ value for the fit is quoted. Vertical lines indicate % the standard deviation. \textbf{F} Amplitude of membrane potential % at peak. \textbf{G} Amplitude of calcium concentration at peak. In % both the amplitude plots there is very little variability in % amplitude between trials. \textbf{H} Delay from stimulation to peak % membrane potential. \textbf{I} Delay from stimulation to peak % calcium concentration. In both the delay plots, the grey vertical % lines indicate significant variability. \pagebreak[4] Figure 3 \pagebreak[4] \noindent\figtitle{Figure 4} % : \textbf{(A-D)}~The effect of asynchronous inputs on % features of voltage and calcium signals. \textbf{(E-L)}~The effect of % subthreshold input on features of voltage and calcium signals. \vspace{\baselineskip} \noindent\includegraphics{\dg ca1_poirazi-dendburst-s240-j10t1-a200-n45-bv-r170-sc0-Ra050-nr0100-cv1}\\ \noindent\includegraphics{\dg ca1_poirazi-dendburst-s190-j00t1-a200-n45-bv-r170-sc0-Ra050-nr0100-cv1} % (A-D) The effect of asynchronous inputs on features of voltage and % calcium signals. In each of 100 simulations, the cell was % presented with synaptic inputs whose activation times were % randomly drawn from a 10ms window. The average values of the % features plotted against distance. (E-L) The effect of % subthreshold input on features of voltage and calcium signals. In % this simulation 190 synapses were activated, which was not % sufficient to bring the neuron to its firing threshold. In all % other respects the simulation was the same as that shown in Fig % 2. (E-H) Traces of membrane potential, calcium concentration, % calcium current and block factor from the coloured synapses in % Figure 2A. (I-L) Peak value and delay to peak of voltage and % calcium signals. \pagebreak[4] Figure 5 \pagebreak[4] \figtitle{Figure 6} % : Features of calcium and voltage signals as % predictors of attenuation. \vspace{\baselineskip} \noindent\includegraphics{\dg att-dist} \includegraphics{\dg ca1_poirazi-dendburst-s240-j00t1-a200-n45-bv-r170-sc0-Ra050-nr0100-cv1-att} % Features of calcium and voltage signals as predictors of % attenuation. (A) Path distance between soma and synapse versus EPSP % attenuation at the soma. (B-E) With synchronous Schaffer Collateral % input, features of the time course of the voltage and calcium % signals plotted against attenuation rather than distance as in % Figure 2F-I. \pagebreak[4] \figtitle{Figure 7} \vspace{\baselineskip} \includegraphics{\dg ca1_poirazi-dendburst-s240-j00t1-a200-n45-bv-r170-sc1-Ra050-nr0100-cv1} \pagebreak[4] Figure 8 \pagebreak[4] \figtitle{Figure S1} \includegraphics{stimulation-comparison} \pagebreak[4] Figure S2 \pagebreak[4] \figtitle{Figure S3} \noindent \begin{minipage}[t]{0.5\colwidth} \textbf{A}\\ \includegraphics[width=\linewidth]{dendburst} \end{minipage} \begin{minipage}[t]{0.5\colwidth} \mbox{}\\[-0.5\baselineskip] \includegraphics{\dg ca1_poirazi-dendburst-s240-j00t1-a200-n45-bv-r000-sc0-Ra050-nr0100-cv1-synrecs} \end{minipage}\\ \noindent\includegraphics{\dg ca1_poirazi-dendburst-s240-j00t1-a200-n45-bv-r000-sc0-Ra050-nr0100-cv1} \pagebreak[4] Figure S4 \end{document} % LocalWords: NMDA AMPA EPSP