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在对活跃的触觉刺激的反应中,大脑活动是否存在性别差异?

Kei Sasaki¹, Nobukiyo Yoshida¹, Misuzu Oishi¹

¹Department of Radiological Technology, Faculty of Medical Technology, Niigata University of Health and Welfare, Niigata, JPN.

|October 14, 2025

概括

积极的触觉刺激会影响大脑的感觉运动区域. 适度的压力球硬度激活了更高的认知区域,并被男性认为更令人愉快,这表明对触摸的细微神经和感知反应.

科学领域:

神经科学是一个神经科学.
感官感知是一种感官感知.
认知心理学认知心理学

背景情况:

触觉信息对于对象识别,空间意识和运动控制至关重要.
了解主动触觉刺激的神经机制对于神经科学研究至关重要.

研究的目的:

通过使用功能磁共振成像 (fMRI) 使用不同硬度的压力球在活性触觉刺激期间调查大脑激活模式.
探索触觉刺激,性别差异和主观评价之间的关系.

主要方法:

77名健康的年轻成年人 (37名男性,40名女性) 接受了fMRI,同时以一致的力量抓住压力球 (软,中,硬).
扫描后,参与者在利克特尺度上对硬度和舒适度进行了主观评级.

主要成果:

在所有条件下都观察到传感运动区域 (后中心,前中心,丘脑,小脑) 的一致激活.
中等硬度条件独特地激活了高阶区域 (角环,后带皮层,海马).
男性认为中等刺激比女性更令人愉快,尽管神经活动中没有显著的性别差异.

结论:

主动触觉刺激主要涉及感觉运动网络.
刺激的强度和感知到的舒适度会影响情绪和认知处理.
虽然神经活动没有显示出任何显著的性别差异,但在男性和女性之间注意到了愉快感的感知差异.

关键词:

活跃的触觉刺激是积极的触觉刺激.脑部激活的fmri使用硬度水平硬度水平在Postcentral Gyrus之后的时间里传感器运动处理处理.性别差异的性别差异.触觉感知是一种感知.

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Somatosensation

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The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.