詳細 - 日本心理学会

ㄆ▱㻌 㻟㻭㻹㻝㻜㻡
᪥ᚰ➨ 㻣㻞 ᅇ኱఍䠄㻞㻜㻜㻤䠅㻌
⍮ⷡ⊛⽶⩄߇ೝỗ෻ᔕㆡวᕈലᨐߦ෸߷ߔᓇ㗀㧔II㧕
㧙ERP ࠍ૶ߞߚᔃ⊛ᤨ㑆᷹ቯ㧙
٤⷏᧛ᓞሶ㧝࡮ട⮮౏ሶ 2࡮ศፒ৻ੱ 3
㧔㧝ᣣᧄቇⴚᝄ⥝ળ㧛ᗲ⍮ᶻᓼᄢቇ࡮2 ᣣᧄ㓚ኂ⠪࡝ࡂࡆ࡝࠹࡯࡚ࠪࡦදળ࡮3 ᗲ⍮ᶻᓼᄢቇࠦࡒࡘ࠾ࠤ࡯࡚ࠪࡦቇㇱ㧕
Key words: ᔃ⊛ᤨ㑆᷹ቯ࡮ㆬᛯ⊛ᵈᗧ࡮⍮ⷡ⊛⽶⩄
ᧄ⎇ⓥߪ㧘ศፒ࡮⷏᧛࡮ട⮮㧔2008㧕ߢታᣉߐࠇߚࡈ࡜ࡦ
ࠞ࡯⺖㗴ㆀⴕਛߦ᷹ቯߒߚ ERP ࠍಽᨆߔࠆߎߣߦࠃߞߡ㧘࠲
࡯ࠥ࠶࠻ߩ⍮ⷡ⊛⽶⩄ࠍᠲ૞ߒߚࡈ࡜ࡦࠞ࡯⺖㗴ㆀⴕᤨߩᔃ
⊛ᤨ㑆᷹ቯࠍ⹜ߺࠆߎߣ߇⋡⊛ߢ޽ࠆ‫ޕ‬ᵈ⋡ߔࠆߩߪએਅߩ
3 ὐߢ޽ࠆ‫ޕ‬1) ⍮ⷡ⊛⽶⩄ߪೝỗ౉ജᓟߤߩᤨὐߦᓇ㗀ࠍਈ
߃ࠆߩ߆‫ޕ‬2) ࠲࡯ࠥ࠶࠻ߣ࠺ࠖࠬ࠻࡜ࠢ࠲࡯ߩㆡวᕈߪೝỗ
౉ജᓟߤߩᤨὐߢᓇ㗀ࠍਈ߃ࠆߩ߆‫ޕ‬3) ⍮ⷡ⊛⽶⩄ߩ㜞ૐߦ
઻߁ㆡวᕈߩᄌൻߪ ERP ߢⷰኤߐࠇࠆߩ߆‫ޕ‬
ᣇ ᴺ
ታ㛎ෳട⠪㧦ฝᚻ೑߈ߩᄢቇ↢ 12 ฬ‫ޕ‬ೝỗ࡮ᚻ⛯߈㧦ศፒ
ઁ㧔2008㧕ߣห᭽‫ޕ‬⣖ᵄߪ࿖㓙 10-20 ᴺߦࠃࠆFz࡮FP1࡮FP2࡮
F3࡮F4࡮F7࡮F8࡮Cz࡮C3࡮C4࡮Pz࡮P3࡮P4࡮T3࡮T4࡮T5࡮
T6࡮O1࡮O2 ߩ 19 ㇱ૏ߦⵝ⌕ߒ㧘Ꮐฝਔ⡊᧊⚿วࠍၮḰߣߒ
ߡዉ಴ߒߚ‫ޕ‬MA1000㧔࠺ࠫ࠹࠶ࠢࠬ⎇ⓥᚲ⵾ᄙ࠴ࡖࡦࡀ࡞
↢૕ࠕࡦࡊ㧕ߦࠃࠅჇ᏷ᓟ㧔Ꮺၞㅢㆊ๟ᵄᢙ 0.05-30 Hz㧕㧘
G1-ERP Analyzer㧔G1 ࠪࠬ࠹ࡓ␠⵾㧕ߦ 500 Hzߢࠨࡦࡊ࡞⸥
㍳ߒߚ‫ޕ‬หᤨߦု⋥߅ࠃ߮᳓ᐔEOG߽⸥㍳ߒߚ‫ޕ‬
⚿ ᨐ ࡮ ⠨ ኤ
1) ⍮ⷡ⊛⽶⩄ߩലᨐ
Fz࡮Cz࡮Pz ߩฦㇱ૏ߦ߅޿ߡೝỗ๒␜ᓟ 200-400 ms 㑆㧔N2㧕
ߩ㗂ὐẜᤨ೨ᓟ 50 ms 㑆ߩᐔဋᝄ᏷ߦߟ޿ߡ⍮ⷡ⊛⽶⩄㧔㜞/
ૐ㧕˜ㆡวᕈ㧔৻⥌/ਇ৻⥌㧕ߩಽᢔಽᨆࠍⴕߞߚ‫ޕ‬Fz࡮Pz
ߦ߅޿ߡ⽶⩄ߩਥലᨐ߇᦭ᗧߣߥࠅ㧘ૐ⽶⩄᧦ઙߦᲧߴ㜞⽶
⩄᧦ઙߢᄢ߈ߥ㒶ᕈࠪࡈ࠻߇⹺߼ࠄࠇߚ‫ߩઁߩߘޕ‬ਥലᨐ߅
ࠃ߮੤੕૞↪ߪ᦭ᗧߢߪߥ߆ߞߚ‫⚿ߩߎޕ‬ᨐߪ㧘⍮ⷡ⊛⽶⩄
ߩ㜞ૐ߇ N2 ᝄ᏷ߦᓇ㗀ࠍਈ߃ࠆߎߣࠍ␜ໂߒߚ‫ޕ‬
2) ㆡวᕈߩലᨐ
ೝỗ๒␜ᓟ 400-500 ms 㑆ߩᐔဋᝄ᏷ࠍ Fz࡮Cz࡮Pz ߩฦㇱ
૏ߦ߅޿ߡ⍮ⷡ⊛⽶⩄㧔㜞/ૐ㧕˜ㆡวᕈ㧔৻⥌/ਇ৻⥌㧕ߩ
ಽᢔಽᨆࠍⴕߞߚ‫ߩߡోޕ‬ㇱ૏ߦ߅޿ߡㆡวᕈߩਥലᨐ߇᦭
ᗧߣߥࠅ㧘৻⥌᧦ઙߦᲧߴਇ৻⥌᧦ઙߢᄢ߈ߥ㒶ᕈࠪࡈ࠻߇
⹺߼ࠄࠇߚ‫⚿ߩߎޕ‬ᨐ߆ࠄㆡวᕈലᨐߪೝỗ๒␜ᓟ 400 ms
೨ᓟߢ⏕⹺ߐࠇࠆߎߣࠍ᣿ࠄ߆ߦߒߚ‫ޕ‬
3) ⍮ⷡ⊛⽶⩄ߦ઻߁ㆡวᕈലᨐߩᄌേ
ೝỗ๒␜ᓟ 400 ms એ㒠ߢㆡวᕈലᨐߩᓇ㗀߇⹺߼ࠄࠇߚ
ߩߢ㧘Fz࡮Cz࡮Pz ߩฦㇱ૏ߦ߅޿ߡ⍮ⷡ⊛⽶⩄᧦ઙߏߣߦ৻
⥌᧦ઙߣਇ৻⥌᧦ઙߩಽጘẜᤨࠍࠫࡖ࠶ࠢ࠽ࠗࡈᴺ (Kiesel
et al.. 2008; Ulrich & Miller, 2001)ߦࠃߞߡหቯߒߚ‫ࠢ࠶ࡖࠫޕ‬
࠽ࠗࡈᴺߦᓥ޿㧘ෳട⠪ࠍ 1 ฬߕߟ㒰޿ߚ✚ട▚ᐔဋ㧔ᧄ⎇
ⓥߢߪ 12 ᵄᒻ㧕ࠍోߡߩ᧦ઙߦߟ޿ߡ▚಴ߒ㧘⽶⩄᧦ઙߏߣ
ߦ৻⥌᧦ઙߣਇ৻⥌᧦ઙߩᒁ߈▚ᵄᒻࠍ▚಴ߒߚ‫ޕ‬ᒁ߈▚ᵄ
ᒻߦ߅ߌࠆ 300-600 ms 㑆ߩᦨᄢᝄ᏷ߩ 1/2 ߩᝄ᏷ߦ޽ߚࠆᤨ
ὐࠍಽጘẜᤨߣߒ㧘⽶⩄᧦ઙߏߣߦ t ᬌቯࠍⴕߞߚ‫ޕ‬Cz ߦ߅
޿ߡߩߺ㧘ಽጘẜᤨߦ᦭ᗧᏅ߇⹺߼ࠄࠇ㧘ૐ⽶⩄᧦ઙߦᲧߴ
㜞⽶⩄᧦ઙߦ߅޿ߡಽጘẜᤨߩㆃᑧ߇⹺߼ࠄࠇߚ㧔࿑ 1㧕‫ߎޕ‬
ߩ⚿ᨐߪ㧘Cz ߦ߅޿ߡㆡวᕈലᨐߩᓇ㗀㧘ߟ߹ࠅ৻⥌᧦ઙߣ
ਇ৻⥌᧦ઙߩಽጘ߇ૐ⽶⩄᧦ઙߦᲧߴ㜞⽶⩄᧦ઙߢㆃᑧߔࠆ
ߎߣࠍ␜ߒ㧘࠺ࠖࠬ࠻࡜ࠢ࠲࡯ᖱႎߩ࠲࡯ࠥ࠶࠻ߦኻߔࠆᓇ
㗀߇㜞⽶⩄᧦ઙߢㆃࠇࠆߎߣࠍ␜ໂߒߚ‫ޕ‬
⽶⩄ߦࠃࠆಽጘẜᤨߩ㆑޿߇⹺߼ࠄࠇߚ Cz ߦ߅޿ߡ㧘৻
⥌᧦ઙߣਇ৻⥌᧦ઙߩᝄ᏷ߩᄢ߈ߐ߇⽶⩄ߦࠃߞߡᄌേߔࠆ
߆߽૬ߖߡᬌ⸛ߒߚ‫ޕ‬Cz ߦ߅ߌࠆోߡߩ᧦ઙ㧔⍮ⷡ⊛⽶⩄˜
ㆡวᕈ㧕ߦ߅޿ߡ㧘ૐ⽶⩄᧦ઙߢߩ৻⥌᧦ઙߣਇ৻⥌᧦ઙߩ
ᒁ߈▚ᵄᒻߩ㗂ὐẜᤨ೨ᓟ 50 ms ඙㑆㧔ૐ⽶⩄඙㑆㧦358-458
ms㧕ߣ㜞⽶⩄᧦ઙߢߩ㗂ὐẜᤨ೨ᓟ 50 ms ඙㑆㧔㜞⽶⩄඙㑆㧦
448-548 ms㧕ߩᐔဋᝄ᏷ࠍ▚಴ߒ㧘⍮ⷡ⊛⽶⩄˜ㆡวᕈ˜඙
㑆ߩಽᢔಽᨆࠍታᣉߒߚ‫ޕ‬ㆡวᕈߩਥലᨐ߇᦭ᗧߣߥࠅ㧘৻
⥌᧦ઙߦᲧߴਇ৻⥌᧦ઙߢ㒶ᕈᣇะ߳ߩࠪࡈ࠻߇⏕⹺ߐࠇߚ‫ޕ‬
3 ⷐ࿃ߩ੤੕૞↪߇᦭ᗧ௑ะࠍ␜ߒߚ‫ޕ‬3 ⷐ࿃ߩ੤੕૞↪ߪ㧘
ૐ⽶⩄඙㑆ߢߪૐ⽶⩄᧦ઙߦ߅޿ߡ㧘㜞⽶⩄඙㑆ߢߪ㜞⽶⩄
᧦ઙߦ߅޿ߡㆡวᕈലᨐ߇⹺߼ࠄࠇߚߎߣߩ෻ᤋߢ޽ߞߚ‫ޕ‬
ߎߩ⚿ᨐߪศፒઁ (2008)ߩⴕേᜰᮡߩ⚿ᨐߦ߅޿ߡ⽶⩄˜
ㆡวᕈߩ੤੕૞↪߇௑ะߢ޽ߞߚߎߣߣᢛว⊛ߢ޽ࠅ㧘ૐ⽶
⩄ߢ߽㜞⽶⩄ߢ߽ห⒟ᐲߩㆡวᕈലᨐ߇⹺߼ࠄࠇࠆߎߣࠍ␜
ໂߒߚ‫ޕ‬
ૐ⽶⩄᧦ઙ
䋨ȝV䋩
-5
-100
0
100 200
300
400
500 600
700
0
5
৻⥌
10
ਇ৻⥌
15
㜞⽶⩄᧦ઙ
-5
-100
0
100
200
300
400
500 600
700
0
5
10
৻⥌
ਇ৻⥌
15
࿑ 1.
Cz ㇱ૏ߦ߅ߌࠆ᧦ઙ೎ᐔဋട▚ᵄᒻ㧔N=12㧕
ᧄ⎇ⓥߢߪ㧘⽶⩄ߩലᨐߪ N2 ᝄ᏷ߦᓇ㗀ࠍਈ߃㧘ㆡวᕈ
ߩലᨐߪೝỗ๒␜ᓟ 400 ms ೨ᓟߢᓇ㗀ࠍਈ߃ࠆߎߣ߇᣿ࠄ
߆ߣߥߞߚ‫߇⩄⽶ߦࠄߐޕ‬㜞ߊߥࠆߦ઻޿㧘৻⥌᧦ઙߣਇ৻
⥌᧦ઙߩಽጘẜᤨߦㆃᑧ߇⹺߼ࠄࠇߚ‫⚿ߩࠄࠇߎޕ‬ᨐߪ㧘⺖
㗴⽶⩄ߩലᨐߣㆡวᕈߩലᨐ߇⇣ߥࠆᖱႎಣℂᲑ㓏ߦᓇ㗀ࠍ
ਈ߃ࠆߎߣࠍ␜ໂߒߚ‫ޕ‬
ᒁ ↪ ᢥ ₂
Kiesel et al. (2008). Measurement of ERP latency differences: A
comparison of single-participant and jackknife-based scoring methods.
Psychophysiology, 45, 250-274.
Ulrich & Miller. (2001). Using the jackknife-based scoring method for
measuring LRP onset effects in factorial designs. Psychophysiology, 38,
816-827.
ศፒ࡮⷏᧛࡮ട⮮ (2008). ᣣᧄᔃℂቇળ╙ 72 ࿁ᄢળ
ᧄ⎇ⓥߪ⑼ቇ⎇ⓥ⾌⵬ഥ㊄
18530575ઍ⴫⠪ศፒ৻ੱ㧘ਗ߮
ߦᗲ⍮ᶻᓼᄢቇ⎇ⓥഥᚑߩេഥࠍฃߌߚ‫ޕ‬㧔NISHIMURA
Ritsuko, KATO Kimiko, YOSHIZAKI Kazuhito㧕
㸫718㸫