ss="n">Q</span> <span class="o">=</span> <span class="n">Q</span> <span class="o">/</span> <span class="p">((</span><span class="n">fov</span><span class="o">/</span><span class="mf">10.0</span><span class="p">)</span><span class="o">**</span><span class="n">cfov</span><span class="p">)</span> <span class="c1">#adjust Q for size (fov) of stimulus back to that 10° ref</span>
                <span class="n">W</span> <span class="o">=</span> <span class="p">(</span><span class="n">a</span><span class="o">**</