Home > eeg > egis > meg_code > meg_arrays.m

meg_arrays

PURPOSE ^

SYNOPSIS ^

function [arrays_meg] = meg_arrays(array_label,bad_chan);

DESCRIPTION ^

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 function [arrays_meg] = meg_arrays(array_label,bad_chan);
0002 [xelec, yelec, zelec] = sensors(148);
0003 if strcmp(array_label,'left')
0004      arrays_temp = find(yelec > 0);
0005      temp = zeros(1,148);
0006      temp(arrays_temp) = ones(1,length(arrays_temp));
0007      temp(bad_chan) = zeros(1,length(bad_chan));
0008      arrays_meg = find(temp);
0009 elseif strcmp(array_label,'right')
0010      arrays_temp = find(yelec < 0);
0011      temp = zeros(1,148);
0012      temp(arrays_temp) = ones(1,length(arrays_temp));
0013      temp(bad_chan) = zeros(1,length(bad_chan));
0014      arrays_meg = find(temp);
0015 elseif strcmp(array_label,'posterior')
0016      arrays_temp = find(xelec < 0);
0017      temp = zeros(1,148);
0018      temp(arrays_temp) = ones(1,length(arrays_temp));
0019      temp(bad_chan) = zeros(1,length(bad_chan));
0020      arrays_meg = find(temp);
0021 elseif strcmp(array_label,'anterior')
0022      arrays_temp = find(xelec >= 0);
0023      temp = zeros(1,148);
0024      temp(arrays_temp) = ones(1,length(arrays_temp));
0025      temp(bad_chan) = zeros(1,length(bad_chan));
0026      arrays_meg = find(temp);
0027 elseif strcmp(array_label,'left_lat')
0028      arrays_temp = [113 95 139 121 103 138 120 102 137 119 101 136 118 100 135 117 99 134 133 116 98 132 115 97 131 114 96];
0029      temp = zeros(1,148);
0030      temp(arrays_temp) = ones(1,length(arrays_temp));
0031      temp(bad_chan) = zeros(1,length(bad_chan));
0032      arrays_meg = find(temp);
0033 elseif strcmp(array_label,'right_lat')
0034      arrays_temp = [140 122 104 141 123 105 142 124 106 143 125 144 126 108 145 127 109 146 128 110 147 129 111 148 130 112];
0035      temp = zeros(1,148);
0036      temp(arrays_temp) = ones(1,length(arrays_temp));
0037      temp(bad_chan) = zeros(1,length(bad_chan));
0038      arrays_meg = find(temp);
0039 else
0040      error('unknown array');
0041 end;
0042

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