有条件的恐惧选择性地增加了对呼吸刺激的感知和神经处理,相对于体感刺激
Valentina Jelinčić1, Mari Sone2, Begüm Cerrahoğlu3
1Research Group Health Psychology, Department of Psychology, KU Leuven, Belgium.
概括
在健康的成年人中,有条件的恐惧增强了呼吸困难的感知和神经处理,但不是疼痛. 恐惧调节特别放大了呼吸道感觉,突出了恐惧和身体抱怨之间的联系.
科学领域:
- 心理生理学 心理生理学
- 神经科学是一个神经科学.
- 人类的感觉和感知.
背景情况:
- 内感觉,感知身体内部状态,对于经历慢性疾病至关重要.
- 恐惧可以改变人们对气喘和疼痛等感觉的感知.
- 有限的研究存在于有条件的恐惧如何影响自我报告和神经处理这些感觉.
研究的目的:
- 研究条件恐惧对呼吸道和体感官刺激的感知和神经处理的影响.
- 检查恐惧调节是否影响自我报告的感觉强度,不愉快感和特定的电生理学标记.
主要方法:
- 健康的成年人通过将中性面孔与厌恶的尖叫配对进行恐惧调节 (FC).
- 实验1:在面部观测过程中提供了鼓舞性遮;测量了与呼吸相关的唤起潜力 (RREP) 和神经门.
- 实验2:在面部观测过程中传递了电脉冲;测量了体感唤起潜力 (SEP) 和神经门.
主要成果:
- 恐惧调节增加了自我报告的恐惧和皮肤导电性.
- 在实验1中,FC增加了启发性遮的不愉快度和RREP幅度.
- 在实验2中,FC并没有改变疼痛感知,但降低了SEP振幅,增加了神经门,可能是由于习惯.
结论:
- 有条件的恐惧特别增强了呼吸刺激的感知和神经处理.
- 这些发现与先前的研究结合起来,该研究将呼吸道心理生理学与恐惧状态联系起来.
- 这项研究区分了恐惧调节对呼吸与体感处理的影响.
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