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Updated: May 6, 2026

Somatosensory Event-related Potentials from Orofacial Skin Stretch Stimulation
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索马托传感唤起的BOLD信号具有超高的时间分辨率

Sara Wesolek1, Till Nierhaus1, Dirk Ostwald2

  • 1Neurocomputation and Neuroimaging Unit (NNU), Freie Universität Berlin, Berlin, Germany.

Human brain mapping
|March 16, 2026
PubMed
概括

这项研究引入了一种新的时间解析方法来分析血液氧气水平依赖 (BOLD) 信号,实现大脑活动的超高时间分辨率. 该方法揭示了体感系统内血液动力学反应中明显的时间和空间模式.

关键词:
4D fMRI 4D fMRI 4D fMRI 4D fMRI 4D fMRI 4D fMRI 4DS1 S1 的时间S2 S2 的意思是功能磁力共振成像 (fMRI) 是一种有限冲动响应模型人体感官皮层 (somatosensory cortex) 是一个感官皮层.

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Somatosensation01:33

Somatosensation

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.
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