11. 記憶 2EV-089 日心第77回大会（2013） ⾜Ⅽࡢᐇ₇࣓࣮ࢪࡀグ᠈ᡂ⦼ཬࡰࡍᙳ㡪 ―NIRS ࡼࡿ᳨ウ― ۑす ౡ⣖ 1࣭ᶫᮏඃⰼ㔛 2 㸦⚟ᒣᏛᏛ㝔ே㛫⛉Ꮫ◊✲⛉ 1㸪⚟ᒣᏛே㛫ᩥᏛ㒊 2㸧 ࣮࣮࢟࣡ࢻ㸸⿕㦂⪅ᐇ₇ㄢ㢟(SPTs)㸪⾜Ⅽ࣓࣮ࢪ㸪㏆㉥እศගἲ(NIRS) The influences of imagined actions and enacted actions on the memory performance Yuki NISHI1, Yukari HASHIMOTO2 (Graduate School of Fukuyama University1, Fukuyama University2) Key Words: Subject-Performed Tasks(SPTs), imagined actions, near-infrared spectroscopy(NIRS) ┠ ⓗ ᆒ(SD)ࡣ㸪ᐇ₇᮲௳ࡀ15.8(2.86)㸪࣓࣮ࢪ᮲௳ࡀ12.8(2.63)㸪 㡢ㄞ᮲௳ࡀ6.9(3.64)࡛࠶ࡗࡓࠋࡇࢀࡘ࠸࡚㸪⿕㦂⪅ෆ1せ ᅉࡢศᩓศᯒࢆ⾜࡞ࡗࡓ⤖ᯝ㸪Ꮫ⩦᮲௳ࡢຠᯝࡀ᭷ព࡛࠶ tasks㸸SPTs)ࡢグ᠈ᡂ⦼࡛ࡣ㸪ᐇ₇ࡏࡎグ㖭ࡍࡿゝㄒㄢ㢟 ࡾ(F(2,30)=61.37, p<.05)㸪ࣛࣥἲࡼࡿከ㔜ẚ㍑ࡢ⤖ᯝ㸪 ࡼࡾࡶඃࢀ࡚࠸ࡿ࠸࠺ SPT ຠᯝࡀ᫂ࡽ࡞ࡗ࡚࠸ࡿࠋ ᐇ₇᮲௳ࡢᖹᆒ್ࡣࡢ2ࡘࡢ᮲௳ࡼࡾ᭷ព㧗ࡃ㸪࣓࣮ ࡲࡓ㸪ຍᆅ࣭௰(2006)ࡣ㸪⾜Ⅽࢆ࣓࣮ࢪࡍࡿࡔࡅ࡛ࡶᐇ₇ ྠᵝࡢグ᠈ᡂ⦼ࡀᚓࡽࢀࡓሗ࿌ࡋ࡚࠸ࡿࠋࡋࡋ࡞ࡀࡽ㸪 ࢪ᮲௳ࡢᖹᆒ್ࡣ㡢ㄞ᮲௳ࡼࡾ᭷ព㧗ࡗࡓ(p<.05)ࠋ ᖹᆒoxy-Hbኚ㔞 ➢ྕࡢᖹᆒoxy-Hbኚ㔞(SD)ࡣ⾲ ຍᆅ࣭௰(2006)ࡢ◊✲࡛ࡣ㸪ㄆᡂ⦼⤖ᯝኳຠᯝࡀ⏕ࡌ ࡚࠸ࡓࡓࡵ㸪⾜Ⅽࡢᐇ₇࣓࣮ࢪ࡛ࡣᕪࡀㄆࡵࡽࢀ࡞࠸ྍ 1ࡢࡼ࠺࡛࠶ࡗࡓࠋᏛ⩦᮲௳ ᐃ㒊ࡢ2せᅉศᩓศᯒࢆ⾜ ⬟ᛶࡀ♧၀ࡉࢀࡓࠋࡑࡇ࡛㸪ᮏ◊✲࡛ࡣ㸪グ᠈ᡂ⦼ࡢᣦᶆ ࡗࡓ⤖ᯝ㸪Ꮫ⩦᮲௳ ᐃ㒊ࡢస⏝ࡀࡳࡽࢀ(F(2,30)= ࡋ࡚ㄆἲຍ࠼⏕ἲࢆ⏝࠸ࡿࡇ࡛㸪࣓࣮ࢪᐇ₇ࡢ 3.98, p<.05)㸪Ꮫ⩦᮲௳ู ᐃ㒊ࡢ༢⣧ຠᯝ᳨ᐃࢆ⾜࡞ グ᠈ᡂ⦼ࢆẚ㍑᳨ウࡍࡿࡇࢆ┠ⓗࡋࡓࠋ ࡗࡓ⤖ᯝ㸪࣓࣮ࢪ᮲௳࠾࠸࡚ྑ๓㢌ࡢᖹᆒoxy-Hbኚ㔞 ࡲࡓ㸪㏆ᖺ࡛ࡣ SPT ຠᯝࢆゎ᫂ࡍࡿࡓࡵ㸪fMRI ࡸ EEG ࡣᕥ๓㢌ࡼࡾ᭷ពከ࠸ࡇࡀ᫂ࡽ࡞ࡗࡓ(p<.05)ࠋ ࡞ࡢ⬻⏕⌮ᣦᶆࢆ⏝࠸ࡓ◊✲ࡀ⾜ࢃࢀ࡚࠾ࡾ㸪グ㖭᮲௳ ࡼࡿ᳨⣴ࡢ㐪࠸ࡀ᫂ࡽ࡞ࡗ࡚࠸ࡿ(ቑᮏ㸪2008)ࠋࡋ ⾲1䚷➢ྕ䛾Ꮫ⩦᮲௳䞉 ᐃ㒊ู䛾ᖹᆒoxy-Hbኚ㔞(SD )(mmol/L) ᕥ ྑ ᖹᆒ್ ࡋ࡞ࡀࡽ㸪ࡇࢀࡽࡢ ᐃ࡛ࡣ㸪ືసࢆక࠺➢ྕࡢ⬻ά -0.04 (0.94) 0.04 (0.83) 0.00 ᐇ₇᮲௳ ືࢆ ᐃࡍࡿࡇࡀ㞴ࡋ࠸ࠋࡑࡇ࡛㸪ᮏ◊✲࡛ࡣືస࡛ࡶ ࣓࣮ࢪ᮲௳ -0.06 (0.60) -0.22 (0.48) -0.14 ⬻άືࡢ ᐃࡀฟ᮶ࡿ⪃࠼ࡽࢀࡿ㏆㉥እศගἲ(NIRS)ࡼ 㡢ㄞ᮲௳ -0.01 (0.92) -0.16 (0.88) -0.09 ࡾ㸪➢ྕ᳨⣴ࡢ๓㢌๓㔝ࡢ㓟⣲࣊ࣔࢢࣟࣅࣥ⃰ᗘ ᖹᆒ್ -0.04 -0.12 -0.08 (oxy-Hb)ࢆ ᐃࡋ㸪Ꮫ⩦᮲௳㛫࡛ẚ㍑ࡋࡓࠋ ᪉ ἲ ᳨⣴ࡢᏛ⩦᮲௳࠾ࡅࡿ ᐃ㒊ูࡢᖹᆒoxy-Hbኚ㔞 ཧຍ⪅ ྑࡁࡢᏛ⏕⏨ዪྛ 8 ྡ㸪ィ 16 ྡ(m=19.2 ṓ㸪 ࡛ࡣ㸪࠸ࡎࢀࡢグ᠈᮲௳࠾࠸࡚ࡶ⤫ィⓗ᭷ព࡞㐪࠸ࡣ࡞ SD=1.33)ࠋ ࡗࡓ(p>.05)ࠋ ᐇ㦂⨨ ࣀ࣮ࢺࣃࢯࢥࣥ(SONY, PCG-81114N)㸪Super ⪃ ᐹ Lab 4.5(Cedrus)㸪ᛂ࣎ࢱࣥ(Cedrus, RB-830)㸪NIRO-200( ຍᆅ࣭௰(2006)࡛ࡣ㸪ᐇ₇࣓࣮ࢪࡢㄆᡂ⦼ᕪࡣ࡞ ᯇ࣍ࢺࢽࢡࢫ♫〇)㸪࢚ࢱࣀ࣮ࣝ㸪ࢥࢵࢺࣥ㸪ࣉ࣮ࣟࣈᑓ⏝ ࡃ㸪࣓࣮ࢪࡢࡳ࡛ᐇ₇ྠᵝࡢグ᠈ᡂ⦼ࡀᚓࡽࢀࡓࠋࡋ ୧㠃ࢸ࣮ࣉ㸪ໟᖏ㸪⏕ㄢ㢟⏝⣬㸪ᐇ㦂ྠព᭩ࠋ ࡋ㸪ᮏ◊✲ࡢ⏕ㄆ࡛ࡣ㸪ᐇ₇࣓࣮ࢪࡢグ᠈ᡂ⦼ ่⃭ ຍᆅ࣭௰(2006)ࡀ⏝࠸ࡓ⾜Ⅽᩥ 80 㡯┠ࠋ ᕪࡀ࠶ࡾ㸪࣓࣮ࢪࡢࡳ࡛ࡣᐇ₇ྠᵝࡢグ᠈ᡂ⦼ࡣᚓࡽࢀ ᡭ⥆ࡁ ᮏᐇ㦂࡛ࡣ㸪࢝ࣂ࣮ࢱࢫࢡࡋ࡚᪥ᖖᛶホᐃㄢ㢟 ࡞ࡗࡓࠋࡇࡢࡼ࠺࡞⤖ᯝ࡞ࡗࡓ⌮⏤ࡋ࡚㸪1 ࡘࡢ⾜Ⅽ ࢆ⏝࠸ࡓഅⓎᏛ⩦ㄢ㢟ࡋࡓࠋࡲࡎ NIRS ࡢࣉ࣮ࣟࣈࢆᅜ㝿 ᩥᑐࡋ࡚⾜࡞࠺᳨⣴ᡭ⥆ࡁࡢ㐪࠸ࡀᣲࡆࡽࢀࡿࠋຍᆅ࣭௰ 10-20 ἲࡢ Fp1㸪Fp2 ᥋╔ࡋ㸪Ꮫ⩦ẁ㝵ࡢὶࢀࢆᩍ♧ࡋࡓࠋ (2006)࡛ࡣ㸪࿊♧ࡋࡓ⾜Ⅽᩥᑐࡋ࡚Ꮫ⩦ࡋࡓ㸪ࡋ࡞ࡗ ࡑࡢᚋ㸪⦎⩦ヨ⾜ࢆ 6 ヨ⾜⾜࠸ᮏヨ⾜⛣ࡗࡓࠋྛヨ⾜࡛ࡣ㸪 ࡓࡢㄆࢆ⾜ࡗࡓᚋ㸪ࡢ᮲௳࡛Ꮫ⩦ࡋࡓࢆุ᩿ࡍࡿࢯ ⏬㠃ୖᐇ₇㸪࣓࣮ࢪ㸪㡢ㄞࢆᣦ♧ࡍࡿ࠸ࡎࢀࡢᣦ♧ᩥ ࣮ࢫ࣭ࣔࢽࢱࣜࣥࢢࢆ⾜ࡗࡓࠋ୍᪉㸪ᮏ◊✲ࡢ⏕ㄢ㢟࡛ࡣ㸪 ࢆ 3 ⛊㛫どぬ࿊♧ࡋࡓᚋ㸪⾜Ⅽᩥࢆ 4 ⛊㛫࿊♧ࡋ㸪ཧຍ⪅ࡣ Ꮫ⩦᮲௳ࡈ⾜Ⅽᩥࢆ⏕ࡋࡓࠋࡑࡋ࡚㸪ㄆㄢ㢟࡛ࡣᏛ ᣦ♧ᚑࡗ࡚⾜Ⅽࢆᐇ⾜ࡋࡓࠋࡑࡢᚋ㸪6 ⛊㛫࡛᪥ᖖᛶホᐃ ⩦᮲௳ࡢᚋ࿊♧ࡋࡓ⾜Ⅽᩥᑐࡋ࡚㸪࿊♧ࡉࢀࡓᏛ⩦᮲௳ ㄢ㢟ࢆ࣎ࢱࣥᢲࡋ࡛⾜࡞ࡗࡓࠋ1 ࡘࡢᣦ♧ᩥࡘࡁ 6 㡯┠ࢆ ࡛Ꮫ⩦ࡋࡓ㸪ࡋ࡞ࡗࡓࡢㄆࢆ⾜ࡗࡓࠋࡘࡲࡾ㸪ᮏ◊ 1 ࢭࢵࢺࡋ㸪ᐇ₇᮲௳㸪࣓࣮ࢪ᮲௳㸪㡢ㄞ᮲௳࡛ྛ 3 ࢭ ✲࡛ࡣ⏕ࡸㄆྠࢯ࣮ࢫ࣭ࣔࢽࢱࣜࣥࢢࡶ⾜࡞ࡗ࡚ ࢵࢺ⾜ࡗࡓࠋᣦ♧ᩥࡢ࿊♧㡰ࡣ࢝࢘ࣥࢱ࣮ࣂࣛࣥࢫࢆࡗࡓࠋ ࠸ࡓࡓࡵ㸪ࡇࡢࡼ࠺࡞ᡭ⥆ࡁࡢ㐪࠸ࡀ᳨⣴㐣⛬ࡑࡢࡶࡢࡢ㐪 グ᠈ㄢ㢟ẁ㝵࡛ࡣ㸪⏕ㄢ㢟ࢆ⾜ࡗࡓᚋ㸪ㄆㄢ㢟ࢆ࣎ࢱࣥ ࠸ࡸ㈇Ⲵࢆ⏕ࢇࡔྍ⬟ᛶࡀ⪃࠼ࡽࢀࡿࠋ ᢲࡋ࡛⾜࡞ࡗࡓࠋᐇ㦂⤊ᚋ㸪ཧຍ⪅ᮏᐇ㦂ࡢ┠ⓗ࡞ ➢ྕ࠾ࡅࡿᖹᆒ oxy-Hb ኚ㔞࡛ࡣ㸪࣓࣮ࢪ࡛ࡢ ࡘ࠸࡚ㄝ᫂ࡋࡓࠋ ࡳᕥ๓㢌ࡼࡾྑ๓㢌ࡢ᪉ࡀከ࠸ࡀ♧ࡉࢀࡓࠋࡲࡓ㸪ࡑࡢ್ ᖹᆒ oxy-Hb ኚ㔞ࡢ⟬ฟ ⬻ࡢ㈿ά㡿ᇦ࡛ࡣ oxy-Hb ࡀ ࡣ࣐ࢼࢫࢆ♧ࡋ࡚࠾ࡾ㸪┤๓Ᏻ㟼ࡼࡾࡶ oxy-Hb ኚ㔞 ቑຍࡍࡿࡓࡵ㸪➢ྕ㸪᳨⣴ࡶ㸪┤๓Ᏻ㟼ࡢ oxy-Hb ࡀᑡ࡞࠸ࡇࡀ♧ࡉࢀ࡚࠸ࡓࠋ࣓࣮ࢪࢆႏ㉳ࡍࡿ㝿ࡣどぬ ࡢᖹᆒ್ࡽྛヨ⾜ࡢ oxy-Hb ࢆᘬ࠸࡚ኚ㔞ࢆ⟬ฟࡋࡓࠋ 㔝ࡀάᛶࡍࡿࡇࡽ㸪ᮏ◊✲࡛ྑ๓㢌ࡀ㈿άࡋ࡞ࡗࡓ ⤖ ᯝ ࡢࡣ㸪どぬ㔝ࡢ㈿άࡼࡿྍ⬟ᛶࡀ⪃࠼ࡽࢀࡿࠋ グ᠈ㄢ㢟ᡂ⦼ ⏕ㄢ㢟ࡢᖹᆒṇ⏕ᩘ(SD)࡛ࡣ㸪ᐇ₇᮲ ᘬ⏝ᩥ⊩ ௳ࡀ7.0(3.04)㸪࣓࣮ࢪ᮲௳ࡀ0.3(0.58)㸪㡢ㄞ᮲௳ࡀ0.1(0.24) ຍᆅ㞝୍࣭௰┿⣖Ꮚ (2006)㸬⾜Ⅽࢆᐇ₇ࡋࡓグ᠈࣓࣮ ࡛࠶ࡗࡓࠋࡇࢀࡘ࠸࡚㸪⿕㦂⪅ෆ1せᅉࡢศᩓศᯒࢆ⾜࡞ ࢪࡋࡓグ᠈ࡢ㐪࠸――ࢯ࣮ࢫ࣭ࣔࢽࢱࣜࣥࢢㄢ㢟ࡼࡿ ࡗࡓ⤖ᯝ㸪Ꮫ⩦᮲௳ࡢຠᯝࡀࡳࡽࢀ(F(2,30)=72.55, p<.05)㸪 ᳨ウ―― The Japanese Journal of Psychonomic Science, 24, ࣛࣥἲࡼࡿከ㔜ẚ㍑ࡢ⤖ᯝ㸪SPTs᮲௳ࡢᖹᆒ್ࡣࡢ 162-170. 2ࡘࡢ᮲௳ࡼࡾ᭷ព㧗ࡗࡓ(p<.05)ࠋㄆㄢ㢟ࡢHITᩘࡢᖹ ⾜Ⅽࢆᐇ₇ࡋ࡚グ㖭ࡍࡿ⿕㦂⪅ᐇ₇ㄢ㢟(Subject-Performed ― 736 ―
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