Behavioural Brain Research: 前额叶皮层对社交/情绪面部表情的涉及性别,半球偏侧性和中央心脏调节的有意识和无意识反应

2020-07-22 MedSci原创 MedSci原创

人类前额叶皮层(PFC)处理复杂的感官信息,以阐述社会行为。无创神经影像技术近红外光谱(NIRS)可以识别大脑皮层中血流动力学的变化以及氧合(HbO2)和脱氧(HHb)血红蛋白的浓度。

被动地观看引起情绪激动的刺激图像可以促进注意力的重新定向,并激活神经回路。 个体发育的“社交脑”网络中的皮层下和大脑皮层通路对视觉刺激做出响应,以进行面部检测和识别,面部表情,眼睛外观以及直接注视。然后可以将神经信号整合到有意识的情感感觉和知觉的知觉体验中。 情绪也与记忆,内脏反应,决策和行为显示作者研究NIRS在处理社交/情感面部表情(即有意识地感知不同表情(中性,快乐,悲伤,生气,厌恶和恐惧)以及潜意识/蒙蔽的负面表达感知(恐惧和厌恶与中立情绪重叠)有关。同时伴随的ECG信号的功率谱分析揭示了心脏反应的交感和副交感调节。

方法:经过神经心理学评估后,使用NIRS设备对14名女性和14名男性进行了仪器检查,以收集PFC氧合。有参与者都熟悉测试室和设备,以减少数据收集当天的潜在或真正的焦虑。他们坐在温度可控的房间(23°C)中舒适的椅子上,听觉刺激受到限制,除了前面的电脑屏幕外,没有其他直接的视觉刺激。在这段时间内,他们听了中性语调的录音,为即将到来的程序提供了指示。此后,立即将40 cm显示器打开10分钟以记录“假基线数据”。所有程序均在800–1200小时之间完成。然后建议参与者在就寝前继续日常工作。在记录日的早晨,他们被指示要避免所有饥饿或口渴的感觉,方法是在到达实验室前至少1小时吃一顿便餐,最后一次不喝酒,咖啡因或其他光刺激剂或镇静剂24小时,并且在录制之前的12小时内没有运动。

结果:有意识地感知到笑脸之后,女性的右侧PFC中的HbO2值高于男性,之后的左侧PFC中的HbO2值高于男性。在男性中,当观察快乐表情时,左PFC升高,右PFC降低HbO2。在两个性别中,掩盖的​​厌恶表现期间的HHb值均比恐惧的表达高,而掩盖的恐惧表现后的HHb值也高于恐惧期间。当女性自觉和不自觉地处理负面情绪时,较高的交感和较低的副交感活动(LF / HF成分)发生(在所有情况下,p <0.05)。这些结果表明,人类PFC会根据性别,半球偏侧性,注意力,对有意识和无意识的情绪负荷刺激做出的同时中枢调节的血管反应做出选择性激活。

原文链接:

Johari, K. and R. Behroozmand, Event-related desynchronization of alpha and beta band neural oscillations predicts speech and limb motor timing deficits in normal aging. Behavioural Brain Research, 2020. 393: p. 112763.

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    2020-07-24 qjddjq
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    2020-07-24 yangshch
  5. [GetPortalCommentsPageByObjectIdResponse(id=1947899, encodeId=a7cd194e89910, content=<a href='/topic/show?id=e54d8483db' target=_blank style='color:#2F92EE;'>#HAV#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8483, encryptionId=e54d8483db, topicName=HAV)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3fc52500170, createdName=12498cbcm00(暂无昵称), createdTime=Fri May 14 07:35:59 CST 2021, time=2021-05-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1519491, encodeId=079a151949111, content=<a href='/topic/show?id=18a0326904e' target=_blank style='color:#2F92EE;'>#前额叶皮层#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=32690, encryptionId=18a0326904e, topicName=前额叶皮层)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=267111283095, createdName=mei535, createdTime=Fri Jul 24 14:35:59 CST 2020, time=2020-07-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1521955, encodeId=f35b1521955df, content=<a href='/topic/show?id=f83866137f' target=_blank style='color:#2F92EE;'>#EHA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6613, encryptionId=f83866137f, topicName=EHA)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=937d11405368, createdName=qjddjq, createdTime=Fri Jul 24 14:35:59 CST 2020, time=2020-07-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1557823, encodeId=ac81155e823f0, content=<a href='/topic/show?id=d2601533982' target=_blank style='color:#2F92EE;'>#Research#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15339, encryptionId=d2601533982, topicName=Research)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=96ab14929432, createdName=yangshch, createdTime=Fri Jul 24 14:35:59 CST 2020, time=2020-07-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1603451, encodeId=83f116034510e, content=<a href='/topic/show?id=657ce391325' target=_blank style='color:#2F92EE;'>#社交#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73913, encryptionId=657ce391325, topicName=社交)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=医者仁心, createdTime=Fri Jul 24 14:35:59 CST 2020, time=2020-07-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=804117, encodeId=20d180411e71, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=101, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200720/956eb01f4b594ee783debae7a44d9096/e569cb8381764328b493c23491d86c27.jpg, createdBy=2cbc5401622, createdName=老婆子, createdTime=Thu Jul 23 15:04:58 CST 2020, time=2020-07-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=804031, encodeId=5aed80403135, content=嗯嗯, beContent=null, objectType=article, channel=null, level=null, likeNumber=101, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=73ac5259421, createdName=风湿免疫科医生, createdTime=Wed Jul 22 23:42:49 CST 2020, time=2020-07-22, status=1, ipAttribution=)]
  6. [GetPortalCommentsPageByObjectIdResponse(id=1947899, encodeId=a7cd194e89910, content=<a href='/topic/show?id=e54d8483db' target=_blank style='color:#2F92EE;'>#HAV#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8483, encryptionId=e54d8483db, topicName=HAV)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3fc52500170, createdName=12498cbcm00(暂无昵称), createdTime=Fri May 14 07:35:59 CST 2021, time=2021-05-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1519491, encodeId=079a151949111, content=<a href='/topic/show?id=18a0326904e' target=_blank style='color:#2F92EE;'>#前额叶皮层#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=32690, encryptionId=18a0326904e, topicName=前额叶皮层)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=267111283095, createdName=mei535, createdTime=Fri Jul 24 14:35:59 CST 2020, time=2020-07-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1521955, encodeId=f35b1521955df, content=<a href='/topic/show?id=f83866137f' target=_blank style='color:#2F92EE;'>#EHA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6613, encryptionId=f83866137f, topicName=EHA)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=937d11405368, createdName=qjddjq, createdTime=Fri Jul 24 14:35:59 CST 2020, time=2020-07-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1557823, encodeId=ac81155e823f0, content=<a href='/topic/show?id=d2601533982' target=_blank style='color:#2F92EE;'>#Research#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15339, encryptionId=d2601533982, topicName=Research)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=96ab14929432, createdName=yangshch, createdTime=Fri Jul 24 14:35:59 CST 2020, time=2020-07-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1603451, encodeId=83f116034510e, content=<a href='/topic/show?id=657ce391325' target=_blank style='color:#2F92EE;'>#社交#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73913, encryptionId=657ce391325, topicName=社交)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=医者仁心, createdTime=Fri Jul 24 14:35:59 CST 2020, time=2020-07-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=804117, encodeId=20d180411e71, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=101, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200720/956eb01f4b594ee783debae7a44d9096/e569cb8381764328b493c23491d86c27.jpg, createdBy=2cbc5401622, createdName=老婆子, createdTime=Thu Jul 23 15:04:58 CST 2020, time=2020-07-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=804031, encodeId=5aed80403135, content=嗯嗯, beContent=null, objectType=article, channel=null, level=null, likeNumber=101, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=73ac5259421, createdName=风湿免疫科医生, createdTime=Wed Jul 22 23:42:49 CST 2020, time=2020-07-22, status=1, ipAttribution=)]
    2020-07-23 老婆子

    学习了

    0

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    2020-07-22 风湿免疫科医生

    嗯嗯

    0

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