
EEG Processor Users Manual

ѹ
2007/08/10 ver 0.1A (Sako)

2007/08/23 ver 0.1B (Sako)
BDFեɻBDF_SPEC¤Τfigure_info¤Υեɤɲä


1. 	5
1-1. Ϥ	5
1-1-1. оɼ	5
1-1-2. EEG_Toolkit	5
1-2. Ķ	5
1-3. Ǥ뤫	5
2. 塼ȥꥢ	6
2-1. 	6
2-1-1. Ķγǧ	6
2-1-2. 塼ȥꥢμ¹	6
2-2. BDFͥǡФ	6
2-2-1. 	6
2-2-2. ¹	6
2-2-3. 	7
2-2-4. ʪ	7
2-2-5. ջ	7
2-3. ͥǡ顢EEGǡФ	8
2-3-1. 	8
2-3-2. ¹	8
2-3-3. 	8
2-3-4. ʪ	8
2-4. ȥꥬ	9
2-4-1. ⡼	9
2-4-2. αջ	9
2-4-3. ưǥȥꥬ	9
2-4-4. Ⱦưǥȥꥬ	10
2-4-5. ưǥȥꥬ	11
2-5. ȥꥬEEGǡʬ䤹	11
2-5-1. 	11
2-5-2. ¹	11
2-5-3. 	12
2-5-4. ʪ	12
3. ؿܺ	13
3-1. vb_make_msrmnt_data	13
3-1-1. 	13
3-1-2. 	13
3-1-3. 	14
3-2. vb_mark_trigger	15
3-2-1. 	15
3-2-2. 	15
3-2-3. 	15

1. 

1-1. Ϥ
ʸǤϡVBMEG󶡤EEGǡץλȤˤĤƲ⤷ޤ
1-1-1. оɼ
BDFեEEG桼оݤǤ
1-1-2. EEG_Toolkit
ʲʸǤϡEEGǡץEEGץåȸƤӤޤ
1-2. Ķ
μꤷƤĶϡ̤Ǥ
* BIOSEMIҤEEG¬ˤBDFեϥեȤ
* MATLAB6.5ʾ
1-3. Ǥ뤫
EEGץåϡν򤹤뤳ȤǤޤ
1) BDFե뤫顢ͥΥǡե
2) оݤȤʤͥ롢ץꤷEEGǡФ
3) ȥꥬ(ưޤϼư)
4) ȥꥬˡEEGǡʬ䤹
2. 
塼ȥꥢ
ץǡѤơŵŪʻȤ¹ԤƤߤޤ礦
2-1. 
2-1-1. Ķγǧ
塼ȥꥢμ¹ԤΩʲδĶǧޤ
* vbmegѥ̤ޤ(vbmegؿѤƤ뤿)
* ʲ֤Ƥ륵ץǡѤޤ
/home/cbi-data/sakot/eeg/sample_data/
* 塼ȥꥢϼΥƥȥץ¹Ԥޤ
$VBMEG/script/vb_eeg_tutorial.m
Υץब¸ߤ뤳Ȥǧޤ
ѥ᡼ϡΥƥȥץεҤ򻲹ͤˤƤѥ᡼ˤĤƤϸҤޤ
2-1-2. 塼ȥꥢμ¹
塼ȥꥢμ¹ԤϡMATLAB󥽡뤫饳ޥɤϤ뤳ȤǹԤޤ
()֥1Ǽ¹Ԥ
% vb_eeg_tutorial(1)
2-2. BDFͥǡФ
2-2-1. 
Ƥϼ̤Ǥ
1) BDFեɤ
2) ͥǡե
3) EEG-MATե
2-2-2. ¹
1Ǽ¹Ԥޤ
% vb_eeg_tutorial(1)
2-2-2-1. ¹Լ
Ǥvb_make_msrmnt_dataؿƤФޤvb_make_msrmnt_dataؿˤĤƤϸҤޤ
2-2-3. 
2-2-3-1. ɲþ(2007/08/23)
bdf_spec.figure_info 򿷵ɲäޤ
ϽΡdigit_file  face_file Τǡ줾Υե뤫Ƥѥ᡼ľܻꤹ뤳ȤǤޤˤꡢե뤬ʤƤưȤǤ褦ˤʤޤι¤ΤλͤϼΤȤǤ
* .SensorPosition : 󥵡ֺɸ [Nsensor x 3] (digit_file)
* .CoordType : ɥ<ʸ> () SPM_Right_m  (digit_file)
* ChannelLabel : ͥ٥ <ʸΥ> {NChannel x 1} (digit_file)
* .Vcenter : 濴ɸ [1 x 3] (face_file)
2-2-3-2. ե
* bdf_spec.bdf_file = BDFե(.bdf) : (sample) sample_mrmt.bdf
* bdf_spec.digit_file = DIGITIZERե(.digit.mat) : (sample) sample_mrmt.digit.mat
* bdf_spec.face_file = FACEե(.face.mat) : (sample) sample_mrmt.face.mat
2-2-3-3. ѥ᡼
* bdf_spec.device = [] (default)
* bdf_spec.primary_path = ../test_dir/test
* bdf_spec.label_type = [] (default)
* bdf_spec.eeginfo_version = [] (default)
* ch_spec = [] (ͥǡեɤ߹ߤϹԤʤ)
2-2-4. ʪ
ȥǥ쥯ȥʲΡtest_dirǥǥ쥯ȥˡʲΥǡޤ
* test.primary.eeg.mat (EEG-MATե)
* test_${channel_label}.ch.dat
2-2-5. ջ
2-2-5-1. ͥ٥
󥵤ΰ־ϡDIGITե뤬ݻƤޤƥ󥵤¬ǡBDFե뤬ݻƤޤ󥵤ΤȤͥȤƤӤޤ줾Υեǡ줾Υͥ̾դƤޤ֥ͥ٥פȸޤ
EEGץåǤϡDIGITե˵ϿƤͥ٥BDFե˵ϿƤͥ٥ȤȲ񤹤뤳Ȥˤꡢ־¬ǡȤ礷ޤDIGITեΥͥ٥BDFեΥͥ٥ȤפʤˤϡֺɸȤ̵ͤޤ
2007/08/10ߡΥ塼ȥꥢ뤬󶡤Ƥǡϡͥ٥뤬԰פΤΤǤ뤿ᡢʪ˴ޤޤɸͤޤ󡣤Ȥꤢɸͤ뤿ˤϡMatlabǥХåȤΤ褦ޤ
* vb_read_bdf_save_ch_bin.m(L.97)inner_rearrange_channel_labelؿθƤӽФս˥֥쥤ݥȤĥ
* Matlab󥽡(Command Window)ǼΤ褦Ϥ
* > ChannelLabel_hardware(1:64) = ChannelLabel_standard;
2-3. ͥǡ顢EEGǡФ
2-3-1. 
Ƥϼ̤Ǥ
1) EEG-MATեɤ
2) ͥǡե뤫EEGǡФ
3) EEG-MATե
2-3-2. ¹
ƥȥ2Ǽ¹Ԥޤ
% vb_eeg_tutorial(2)
2-3-2-1. ¹Լ
Ǥvb_make_msrmnt_dataؿƤФޤvb_make_msrmnt_dataؿˤĤƤϸҤޤ
2-3-3. 
2-3-3-1. ե
* EEG-MATե(EEGinfo¤ΤɤƻѤ)
2-3-3-2. ѥ᡼
* ch_spec.old_info = EEG-MATե(.primary.eeg.mat)ɤEEGinfo¤
./test_dir/test.primary.eeg.mat
1) ch_spec.output_file = ϤEEG-MATե
2) ch_spec.to_read_swt = [] (default)
3) ch_spec.ch_list = [] (default)
4) ch_spec.time_from = [] (default)
* ch_spec.time_to = [] (default)
* bdf_spec = [] (BDFեɤ߹߽򥹥åפ)
ch_specνǤϡͥץǡɤ߽Фޤ
2-3-4. ʪ
ȥǥ쥯ȥʲΡtest_dirǥǥ쥯ȥˡʲΥǡޤ
* test.eeg.mat
2-4. ȥꥬ
EEGǡ顢ȥꥬС뤳ȤǤޤ
2-4-1. ⡼
νˤ礭λĤΥ⡼ɤޤ
1) (ư) ưǥȥꥬͥ(ȥꥬϥͥ)ǧȥꥬݥȤ
2) (Ⱦư) 桼ꤷȥꥬͥ뤫ȥꥬݥȤ
3) (ư) ȥꥬͥ˰ͤ餺桼ܻˤȥꥬݥȤ
Ǥvb_mark_triggerؿƤФޤvb_mark_triggerؿˤĤƤϸҤޤ
2-4-2. αջ
2-4-2-1. ȥꥬȤ륵ץ
ĤΥȥꥬϿߥääƤޤɤλΥץʤơ֥ȥꥬפȤ뤫ʤФޤ
ǥեȤǤϡֳϥץֹפŬѤƤޤ
ϥץֹʳˤϡλץֹ桢ץֹ椬ѰդƤޤߡѥ桼󥿥եƤޤѹϡץ񤭴(ԤǤ)ɬפޤ
2-4-2-2. GUI
ꤷEEGǡeeg_data('A1','B2', 'GSR1')ץåȤfigureɽޤ
Xץ롢YEEGͤǤ
[RANGE]/[LINE]ܥ[LINE]ˤȥޥåǥȥꥬݥȤ뤳ȤǤޤȥꥬ饤ƥåȺǤޤ
[SAVE]ܥǥȥꥬꥹȤ¸뤳ȤǤޤ
2-4-3. ưǥȥꥬ
2-4-3-1. 
Ƥϼ̤Ǥ
4) ꤵ줿ͥEEGǡץåȤ
5) EEGinfoإåɤǡưǥȥꥬͥǧ
6) ȥꥬͥ뤫ȥꥬݥȾ
7) ȥꥬݥȤ˥饤
8) ȥꥬꥹȥե(ư)
2-4-3-2. ¹Լ
1) 3Ǽ¹Ԥޤ
% vb_eeg_tutorial(3)
2) ꤷEEGǡeeg_data('A1','B2','GSR1')ץåȤfigureɽޤXץ롢YEEGͤǤ
3) Υդξˡľ(XͰ)ǥȥꥬޤ
4) [SAVE]ܥ򥯥åơȥꥬ¸ޤ¸ե./test_dir/trigger_list.matǤȤƤ
2-4-3-3. 
* measurement_file = EEG-MATե("./test_dir/test.eeg.mat" c.f. 2-3-4.)
* target_list = {'A1', 'B2', 'GSR1'}
* to_read_swt = ON
* output_file = [] (unused)
* auto_info.auto_detect = ON
2-4-3-4. ʪ
ȥǥ쥯ȥʲΡtest_dirǥǥ쥯ȥˡʲΥǡޤ
trigger_list.mat (ȥꥬꥹȥե)
2-4-4. Ⱦưǥȥꥬ
2-4-4-1. 
Ƥϼ̤Ǥ
5) ꤵ줿ͥEEGǡץåȤ
6) ꤵ줿ȥꥬͥɤߡȥꥬݥȾ
7) ȥꥬݥȤ˥饤
8) ȥꥬꥹȥե(ư)
2-4-4-2. ¹
4Ǽ¹Ԥޤ
% vb_eeg_tutorial(4)
ȥꥬޡѤGUIɽޤ
2-4-4-3. 
* measurement_file = EEG-MATե("./test_dir/test.eeg.mat" c.f. 2-3-4.)
* target_list = {'A1', 'B2', 'GSR1'}
* to_read_swt = ON
* output_file = [] (unused)
* auto_info.auto_detect = OFF
* auto_info.trigger_channel = 'Status'
2-4-4-4. ʪ
ȥǥ쥯ȥʲΡtest_dirǥǥ쥯ȥˡʲΥǡޤ
(ȥꥬꥹȥե)
2-4-5. ưǥȥꥬ
2-4-5-1. 
Ƥϼ̤Ǥ
9) ꤵ줿ͥEEGǡץåȤ
10) ȤǥȥꥬݥȤ򥯥å饤
11) ȥꥬꥹȥե(ư)
2-4-5-2. ¹
5Ǽ¹Ԥޤ
% vb_eeg_tutorial(5)
ȥꥬޡѤGUIɽޤ
2-4-5-3. 
* measurement_file = EEG-MATե("./test_dir/test.eeg.mat" c.f. 2-3-4.)
* target_list = {'A1', 'B2', 'GSR1'}
* to_read_swt = ON
* output_file = [] (unused)
* auto_info.auto_detect = OFF
* auto_info.trigger_channel = []
2-4-5-4. ʪ
ȥǥ쥯ȥʲΡtest_dirǥǥ쥯ȥˡʲΥǡޤ
(ȥꥬꥹȥե)
2-5. ȥꥬEEGǡʬ䤹
2-5-1. 
Ƥϼ̤Ǥ
1) ١ȤʤEEGǡɤ
2) ȥꥬݥȡץȥꥬݥȥȥꥬ󤫤顢ȥ饤ñ̤˥ǡʬ䤹
3) ʬ䤷ƼФǡ򡢿եȤEEG-MATե¸
  % output : .\test_dir\test_segmented.eeg.mat
  %
  % --------------------------------------------------------------------- %
2-5-2. ¹
6Ǽ¹Ԥޤ
% vb_eeg_tutorial(6)
    <spec>
      : ڤФ trial_specĤΥե
      :   pre_trigger(ȥꥬ)
      :   post_trigger(ȥꥬ)
      : ǻǤޤ
      : ڤФǤ segmented_ti (time interval)ե
      : ѰդƤޤ
2-5-3. 
2-5-3-1. ե
* EEG-MATե (./test_dir/test.eeg.mat) EEGinfoɤ
* ȥꥬꥹȥե (./test_dir/trigger_list.mat ? c.f. 2-4-3-4) trigger_listɤ
2-5-3-2. ѥ᡼
ch_spectrial_spec¤ΤϤޤ
* bdf_spec = [] (BDFեɤ߹߽ϥåפ)
* BASE_EEG_FILE = [BASE_DIR filesep TEST_PREFIX '.eeg.mat']
* load(BASE_EEG_FILE, 'EEGinfo')
* ch_spec.old_info = EEGinfo
* ch_spec.output_file = './test_dir/test_segmented.eeg.mat'
* ch_spec.to_read_swt = OFF
* ch_spec.ch_list = []
* ch_spec.time_from = []
* ch_spec.time_to = []
* trial_spec.trigger_list = trigger_sample_list
* trial_spec.pre_trigger = 100
* trial_spec.post_trigger = 500
* trial_spec.segmented_ti = []
* trial_spec.segment_rule = 1
* ch_spec.trial_spec = trial_spec
2-5-4. ʪ
ȥǥ쥯ȥʲΡtest_dirǥǥ쥯ȥˡʲΥǡޤ
test_segmented.eeg.mat
Υե¸Ƥ eeg_dataǡϡƥͥˡץ601(ȥꥬ100ȥꥬ500)ȥ饤186ĤΥǡʬ䤵Ƥޤ
3. ؿܺ
3-1. vb_make_msrmnt_data
3-1-1. 
vb_make_msrmnt_dataؿϡ礭Ĥνôޤ
1) BDFեɤǥͥǡե
2) ͥǡե뤫顢ͥ롢ꥵץΥǡФ
3-1-2. 
3-1-2-1. read_bdf_spec
BDFեɤλͤ빽¤Ρ줬emptyξϡBDFեɤåפ롣եɤϼ̤ꡣ
* .	bdf_file : BDFե(.bdf)
* .digit_file : DIGITIZERե(.digit.mat)
* .face_file : FACEե(.face.mat)
* .device : ǥХʸ󡢽ͤϡBIOSEMI
* .primary_path : EEG-MATե뤪ӥͥǡΥѥܥץե
() ./test_dir/test ʤС./test_dir/test.primary.eeg.mat եȡ./test_dir/test_${ͥ٥}.ch.datե뤬Ǥ
* .label_type : Ѥ٥륿ס߻ѤƤޤ
* .eeginfo_version : EEGinfo¤ΤΥС󡢸ߡͭѤƤޤ
3-1-2-2. read_ch_spec
ͥǡեɤλͤ빽¤Ρ줬emptyξϡͥǡեɤåפ롣եɤϼ̤ꡣ
* .old_info : äȤʤEEGinfo¤
* .output_file : EEG-MATե
* .to_read_swt : ɼ襹åch_listեɤϤͥꥹȤɼʤΤ̵ʤΤꤹ륹åbooleantrueʤch_listɼͥꥹ
* .ch_list : ͥ٥ʸ󤷤ꥹ
* .time_from : ɤ߼볫ϥץֹ
* .time_to : ɤ߼뽪λץֹ
* .trial_spec : ȥ饤ʬʬͤꤹ빽¤Ρեɤϼ̤
* .pre_trigger : ȥꥬץ (A)
* .post_trigger : ȥꥬ奵ץ (B)
* .segmented_ti : ȻĹ (C)
* .segment_rule : ȥ롼(1 or 2 or 3)
ڤФǡΥץ(A)(B)(C)λĤΤĤͿƤ뤳Ȥɬס
ȥ롼ǤϡĤͿ줿ŬѤ롼ꤹ롣
1) (A)(B)
2) (A)(C)
3) (B)(C)
3-1-3. 
* MSRMNTfile : 줿ե̾
* MSRMNTinfo : 줿¤(EEGinfo)
3-2. 
vb_mark_trigger
3-2-1. 
ȥꥬݤѤؿǤ¬ǡȥȥꥬݥȤɽǤGUIưޤ
3-2-2. 
* msrmnt_file : ¬եꤷޤ̾EEG-MAT(.eeg.mat)եǤ
* target_list : ɽ¬ǡΥͥ٥ʸ󤷤ƻꤷޤ
* to_read_swt : target_listǻꤵͥɤ߼Τ̵뤹ΤꤹbooleanͤǤtrueʤɤ߼ޤ
* output_file : ߻ѤƤޤ
* auto_info : ȥꥬưŪ˥ݥȤݤλͤꤹ빽¤ΤǤեɤϼ̤Ǥ
* .auto_detect : ưåǤON or OFF
* .trigger_channel : ȥꥬ󤬽Ϥ줿ͥꤷޤ
* .trigger_file : ȥꥬMATեꤷޤ
* .how : ȥꥬˡʲʸǻꤷޤꤵʤ¾ΥեɻȽǤޤ
FULL: ư
SEMI: Ⱦư
FILE: ȥꥬMATե
MANUAL : ư
3-2-3. 
ͤϤޤ
