ㄆ▱㻌 㻟㻭㻹㻝㻜㻡 ᪥ᚰ➨ 㻣㻞 ᅇ䠄㻞㻜㻜㻤䠅㻌 ⍮ⷡ⊛⽶⩄߇ೝỗᔕㆡวᕈലᨐߦ߷ߔᓇ㗀㧔II㧕 㧙ERP ࠍߞߚᔃ⊛ᤨ㑆᷹ቯ㧙 ٤ᓞሶ㧝ട⮮ሶ 2ศፒ৻ੱ 3 㧔㧝ᣣᧄቇⴚᝄ⥝ળ㧛ᗲ⍮ᶻᓼᄢቇ2 ᣣᧄ㓚ኂ⠪ࡂࡆ࠹࡚ࠪࡦදળ3 ᗲ⍮ᶻᓼᄢቇࠦࡒࡘ࠾ࠤ࡚ࠪࡦቇㇱ㧕 Key words: ᔃ⊛ᤨ㑆᷹ቯㆬᛯ⊛ᵈᗧ⍮ⷡ⊛⽶⩄ ᧄ⎇ⓥߪ㧘ศፒട⮮㧔2008㧕ߢታᣉߐࠇߚࡈࡦ ࠞ⺖㗴ㆀⴕਛߦ᷹ቯߒߚ ERP ࠍಽᨆߔࠆߎߣߦࠃߞߡ㧘࠲ ࠥ࠶࠻ߩ⍮ⷡ⊛⽶⩄ࠍᠲߒߚࡈࡦࠞ⺖㗴ㆀⴕᤨߩᔃ ⊛ᤨ㑆᷹ቯࠍ⹜ߺࠆߎߣ߇⋡⊛ߢࠆޕᵈ⋡ߔࠆߩߪએਅߩ 3 ὐߢࠆޕ1) ⍮ⷡ⊛⽶⩄ߪೝỗജᓟߤߩᤨὐߦᓇ㗀ࠍਈ ߃ࠆߩ߆ޕ2) ࠲ࠥ࠶࠻ߣ࠺ࠖࠬ࠻ࠢ࠲ߩㆡวᕈߪೝỗ ജᓟߤߩᤨὐߢᓇ㗀ࠍਈ߃ࠆߩ߆ޕ3) ⍮ⷡ⊛⽶⩄ߩ㜞ૐߦ ߁ㆡวᕈߩᄌൻߪ ERP ߢⷰኤߐࠇࠆߩ߆ޕ ᣇ ᴺ ታ㛎ෳട⠪㧦ฝᚻ߈ߩᄢቇ↢ 12 ฬޕೝỗᚻ⛯߈㧦ศፒ ઁ㧔2008㧕ߣห᭽ޕ⣖ᵄߪ࿖㓙 10-20 ᴺߦࠃࠆFzFP1FP2 F3F4F7F8CzC3C4PzP3P4T3T4T5 T6O1O2 ߩ 19 ㇱߦⵝ⌕ߒ㧘Ꮐฝਔ⡊⚿วࠍၮḰߣߒ ߡዉߒߚޕMA1000㧔࠺ࠫ࠹࠶ࠢࠬ⎇ⓥᚲᄙ࠴ࡖࡦࡀ࡞ ↢ࠕࡦࡊ㧕ߦࠃࠅჇᓟ㧔Ꮺၞㅢㆊᵄᢙ 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 FzCzPz ߩฦㇱߦ߅ߡೝỗ๒␜ᓟ 200-400 ms 㑆㧔N2㧕 ߩ㗂ὐẜᤨ೨ᓟ 50 ms 㑆ߩᐔဋᝄߦߟߡ⍮ⷡ⊛⽶⩄㧔㜞/ ૐ㧕ㆡวᕈ㧔৻⥌/ਇ৻⥌㧕ߩಽᢔಽᨆࠍⴕߞߚޕFzPz ߦ߅ߡ⽶⩄ߩਥലᨐ߇ᗧߣߥࠅ㧘ૐ⽶⩄᧦ઙߦᲧߴ㜞⽶ ⩄᧦ઙߢᄢ߈ߥ㒶ᕈࠪࡈ࠻߇ࠄࠇߚߩઁߩߘޕਥലᨐ߅ ࠃ߮↪ߪᗧߢߪߥ߆ߞߚ⚿ߩߎޕᨐߪ㧘⍮ⷡ⊛⽶⩄ ߩ㜞ૐ߇ N2 ᝄߦᓇ㗀ࠍਈ߃ࠆߎߣࠍ␜ໂߒߚޕ 2) ㆡวᕈߩലᨐ ೝỗ๒␜ᓟ 400-500 ms 㑆ߩᐔဋᝄࠍ FzCzPz ߩฦㇱ ߦ߅ߡ⍮ⷡ⊛⽶⩄㧔㜞/ૐ㧕ㆡวᕈ㧔৻⥌/ਇ৻⥌㧕ߩ ಽᢔಽᨆࠍⴕߞߚߩߡోޕㇱߦ߅ߡㆡวᕈߩਥലᨐ߇ ᗧߣߥࠅ㧘৻⥌᧦ઙߦᲧߴਇ৻⥌᧦ઙߢᄢ߈ߥ㒶ᕈࠪࡈ࠻߇ ࠄࠇߚ⚿ߩߎޕᨐ߆ࠄㆡวᕈലᨐߪೝỗ๒␜ᓟ 400 ms ೨ᓟߢ⏕ߐࠇࠆߎߣࠍࠄ߆ߦߒߚޕ 3) ⍮ⷡ⊛⽶⩄ߦ߁ㆡวᕈലᨐߩᄌേ ೝỗ๒␜ᓟ 400 ms એ㒠ߢㆡวᕈലᨐߩᓇ㗀߇ࠄࠇߚ ߩߢ㧘FzCzPz ߩฦㇱߦ߅ߡ⍮ⷡ⊛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᧦ઙߦߟߡ▚ߒ㧘⽶⩄᧦ઙߏߣ ߦ৻⥌᧦ઙߣਇ৻⥌᧦ઙߩᒁ߈▚ᵄᒻࠍ▚ߒߚޕᒁ߈▚ᵄ ᒻߦ߅ߌࠆ 300-600 ms 㑆ߩᦨᄢᝄߩ 1/2 ߩᝄߦߚࠆᤨ ὐࠍಽጘẜᤨߣߒ㧘⽶⩄᧦ઙߏߣߦ t ᬌቯࠍⴕߞߚޕCz ߦ߅ ߡߩߺ㧘ಽጘẜᤨߦᗧᏅ߇ࠄࠇ㧘ૐ⽶⩄᧦ઙߦᲧߴ 㜞⽶⩄᧦ઙߦ߅ߡಽጘẜᤨߩㆃᑧ߇ࠄࠇߚ㧔࿑ 1㧕ߎޕ ߩ⚿ᨐߪ㧘Cz ߦ߅ߡㆡวᕈലᨐߩᓇ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㆑߇ࠄࠇߚ Cz ߦ߅ߡ㧘৻ ⥌᧦ઙߣਇ৻⥌᧦ઙߩᝄߩᄢ߈ߐ߇⽶⩄ߦࠃߞߡᄌേߔࠆ ߆߽૬ߖߡᬌ⸛ߒߚޕCz ߦ߅ߌࠆోߡߩ᧦ઙ㧔⍮ⷡ⊛⽶⩄ ㆡวᕈ㧕ߦ߅ߡ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ߩᐔဋᝄࠍ▚ߒ㧘⍮ⷡ⊛⽶⩄ㆡวᕈ 㑆ߩಽᢔಽᨆࠍታᣉߒߚޕㆡวᕈߩਥലᨐ߇ᗧߣߥࠅ㧘৻ ⥌᧦ઙߦᲧߴਇ৻⥌᧦ઙߢ㒶ᕈᣇะ߳ߩࠪࡈ࠻߇⏕ߐࠇߚޕ 3 ⷐ࿃ߩ↪߇ᗧะࠍ␜ߒߚޕ3 ⷐ࿃ߩ↪ߪ㧘 ૐ⽶⩄㑆ߢߪૐ⽶⩄᧦ઙߦ߅ߡ㧘㜞⽶⩄㑆ߢߪ㜞⽶⩄ ᧦ઙߦ߅ߡㆡวᕈലᨐ߇ࠄࠇߚߎߣߩᤋߢߞߚޕ ߎߩ⚿ᨐߪศፒઁ (2008)ߩⴕേᜰᮡߩ⚿ᨐߦ߅ߡ⽶⩄ ㆡวᕈߩ↪߇ะߢߞߚߎߣߣᢛว⊛ߢࠅ㧘ૐ⽶ ⩄ߢ߽㜞⽶⩄ߢ߽ห⒟ᐲߩㆡวᕈലᨐ߇ࠄࠇࠆߎߣࠍ␜ 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᧦ઙᐔဋട▚ᵄᒻ㧔N=12㧕 ᧄ⎇ⓥߢߪ㧘⽶⩄ߩലᨐߪ N2 ᝄߦᓇ㗀ࠍਈ߃㧘ㆡวᕈ ߩലᨐߪೝỗ๒␜ᓟ 400 ms ೨ᓟߢᓇ㗀ࠍਈ߃ࠆߎߣ߇ࠄ ߆ߣߥߞߚ߇⩄⽶ߦࠄߐޕ㜞ߊߥࠆߦ㧘৻⥌᧦ઙߣਇ৻ ⥌᧦ઙߩಽጘẜᤨߦㆃᑧ߇ࠄࠇߚ⚿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. ศፒട⮮ (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
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