<?xml version="1.0" encoding="utf-8"?><!DOCTYPE article  PUBLIC '-//OASIS//DTD DocBook XML V4.4//EN'  'http://www.docbook.org/xml/4.4/docbookx.dtd'><article><articleinfo><title>DesignAndEfficiency</title><revhistory><revision><revnumber>20</revnumber><date>2013-03-07 21:24:05</date><authorinitials>localhost</authorinitials><revremark>converted to 1.6 markup</revremark></revision><revision><revnumber>19</revnumber><date>2011-08-17 12:22:17</date><authorinitials>MicheleVeldsman</authorinitials></revision><revision><revnumber>18</revnumber><date>2011-08-17 11:52:41</date><authorinitials>MicheleVeldsman</authorinitials></revision><revision><revnumber>17</revnumber><date>2011-08-11 13:44:26</date><authorinitials>MicheleVeldsman</authorinitials></revision><revision><revnumber>16</revnumber><date>2011-08-11 13:43:27</date><authorinitials>MicheleVeldsman</authorinitials></revision><revision><revnumber>15</revnumber><date>2011-08-11 13:41:26</date><authorinitials>MicheleVeldsman</authorinitials></revision><revision><revnumber>14</revnumber><date>2011-08-11 13:40:34</date><authorinitials>MicheleVeldsman</authorinitials></revision><revision><revnumber>13</revnumber><date>2011-08-11 13:39:02</date><authorinitials>MicheleVeldsman</authorinitials></revision><revision><revnumber>12</revnumber><date>2011-08-11 13:33:43</date><authorinitials>MicheleVeldsman</authorinitials></revision><revision><revnumber>11</revnumber><date>2011-08-11 13:32:13</date><authorinitials>MicheleVeldsman</authorinitials></revision><revision><revnumber>10</revnumber><date>2011-08-10 16:02:51</date><authorinitials>MicheleVeldsman</authorinitials></revision><revision><revnumber>9</revnumber><date>2011-08-10 16:02:02</date><authorinitials>MicheleVeldsman</authorinitials></revision><revision><revnumber>8</revnumber><date>2011-08-10 16:01:30</date><authorinitials>MicheleVeldsman</authorinitials></revision><revision><revnumber>7</revnumber><date>2011-08-10 16:01:06</date><authorinitials>MicheleVeldsman</authorinitials></revision><revision><revnumber>6</revnumber><date>2011-08-10 13:59:25</date><authorinitials>MicheleVeldsman</authorinitials></revision><revision><revnumber>5</revnumber><date>2011-08-10 13:58:34</date><authorinitials>MicheleVeldsman</authorinitials></revision><revision><revnumber>4</revnumber><date>2011-08-10 13:52:45</date><authorinitials>MicheleVeldsman</authorinitials></revision><revision><revnumber>3</revnumber><date>2011-08-10 13:52:34</date><authorinitials>MicheleVeldsman</authorinitials></revision><revision><revnumber>2</revnumber><date>2011-08-10 13:51:58</date><authorinitials>MicheleVeldsman</authorinitials></revision><revision><revnumber>1</revnumber><date>2011-08-10 13:46:28</date><authorinitials>MicheleVeldsman</authorinitials></revision></revhistory></articleinfo><para><emphasis role="underline"><emphasis role="strong">Study Design and Efficiency</emphasis></emphasis></para><para>You can download a copy of Lisa and Apoorva's talks here: <ulink url="https://lsr-wiki-01.mrc-cbu.cam.ac.uk/imaging/DesignAndEfficiency/imaging/DesignAndEfficiency?action=AttachFile&amp;do=get&amp;target=Design.ppt">Design.ppt</ulink> <ulink url="https://lsr-wiki-01.mrc-cbu.cam.ac.uk/imaging/DesignAndEfficiency/imaging/DesignAndEfficiency?action=AttachFile&amp;do=get&amp;target=Efficiency.ppt">Efficiency.ppt</ulink> </para><para><emphasis role="underline"><emphasis role="strong">Web Resources</emphasis></emphasis></para><para>Below is a list of web resources used in the talk </para><para><ulink url="https://lsr-wiki-01.mrc-cbu.cam.ac.uk/imaging/DesignAndEfficiency/imaging/DesignAndEfficiency?action=AttachFile&amp;do=get&amp;target=HensonSPM06.pdf">Henson SPM 06</ulink></para><itemizedlist><listitem override="none"><para>Rik Henson's article. Also on the imaging wiki. </para></listitem></itemizedlist><para><ulink url="https://lsr-wiki-01.mrc-cbu.cam.ac.uk/imaging/DesignAndEfficiency/imaging/DesignAndEfficiency?action=AttachFile&amp;do=get&amp;target=Stochastic.pdf">Stochastic Designs</ulink></para><itemizedlist><listitem override="none"><para>This is one of the old Friston papers looking at stochastic designs in event related designs. It has a clear explanation of efficiency that is worth a read. </para></listitem></itemizedlist><para><ulink url="https://lsr-wiki-01.mrc-cbu.cam.ac.uk/imaging/DesignAndEfficiency/imaging/DesignAndEfficiency?action=AttachFile&amp;do=get&amp;target=TradeOff.pdf">Liu Trade-off Paper</ulink></para><itemizedlist><listitem override="none"><para>Thomas Liu's article on the fundamental trade-offs between estimation and detection. Must read. </para></listitem></itemizedlist><para><ulink url="https://lsr-wiki-01.mrc-cbu.cam.ac.uk/imaging/DesignAndEfficiency/imaging/DesignAndEfficiency?action=AttachFile&amp;do=get&amp;target=GeneticAlgorithms.pdf">Tor Wager's article on Genetic Algoirthms</ulink></para><itemizedlist><listitem override="none"><para>The background on efficiency issues is worth a read even if you are not interested in Genetic Algorithms. </para></listitem></itemizedlist><para>See also <ulink url="https://lsr-wiki-01.mrc-cbu.cam.ac.uk/imaging/DesignAndEfficiency/imaging/DesignEfficiency#">DesignEfficiency</ulink> pages on the imaging wiki.  </para><para><emphasis role="underline"><emphasis role="strong">Tools</emphasis></emphasis></para><para><ulink url="http://surfer.nmr.mgh.harvard.edu/optseq/">Optseq2</ulink> </para><itemizedlist><listitem override="none"><para>To optimize sequences </para></listitem></itemizedlist><para><ulink url="http://www.fil.ion.ucl.ac.uk/spm/ext/#GA/">Genetic Algorithms</ulink> </para><itemizedlist><listitem override="none"><para>Genetic Algorithm SPM toolbox (Tor Wager) </para></listitem></itemizedlist><para><ulink url="http://www.fil.ion.ucl.ac.uk/spm/ext/#Design_Magic">SPM colinearity toolbox</ulink> </para><itemizedlist><listitem override="none"><para>SPM toolbox for assessing collinearity (Matthijs Vink) </para></listitem></itemizedlist><para>See <ulink url="https://lsr-wiki-01.mrc-cbu.cam.ac.uk/imaging/DesignAndEfficiency/imaging/CodeShare#">CodeShare</ulink> for a short script that allows you to check your own design efficiency. </para></article>