Krista Lamorie-Foote , Daniel R. Kramer , Shivani Sundaram , Jonathon Cavaleri , Zachary D. Gilbert , Austin M. Tang , Luke Bashford , Charles Y. Liu , Spencer Kellis , Brian Lee
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引用次数: 0
摘要
中风、脊髓损伤或其他神经系统损伤造成的躯体感觉障碍可导致严重的功能障碍。初级(SI)和次级(SII)体感皮层以从内侧到外侧的组织方式编码信息。躯体感觉皮层一般是按地形组织的,对特定的身体区域有更多离散的皮层表征。与解剖区域相对应的 SII 区域的离散性较低,可能更多代表功能性而非地形组织。人类体感研究仍在继续绘制大脑皮层感觉处理区域图,主要集中在 SI 中的手部和上肢信息。然而,对 SII 和其他身体区域的研究还很缺乏。在这篇综述中,我们总结了有关人类躯体感觉皮层组织的知识现状,并讨论了脑计算机接口的潜在应用。除了对皮层躯体感觉进行精确的个体化映射外,还需要进一步的研究来揭示躯体感觉信息如何在皮层中编码的神经生理学机制。
Primary somatosensory cortex organization for engineering artificial somatosensation
Somatosensory deficits from stroke, spinal cord injury, or other neurologic damage can lead to a significant degree of functional impairment. The primary (SI) and secondary (SII) somatosensory cortices encode information in a medial to lateral organization. SI is generally organized topographically, with more discrete cortical representations of specific body regions. SII regions corresponding to anatomical areas are less discrete and may represent a more functional rather than topographic organization. Human somatosensory research continues to map cortical areas of sensory processing with efforts primarily focused on hand and upper extremity information in SI. However, research into SII and other body regions is lacking. In this review, we synthesize the current state of knowledge regarding the cortical organization of human somatosensation and discuss potential applications for brain computer interface. In addition to accurate individualized mapping of cortical somatosensation, further research is required to uncover the neurophysiological mechanisms of how somatosensory information is encoded in the cortex.
期刊介绍:
The international journal publishing original full-length research articles, short communications, technical notes, and reviews on all aspects of neuroscience
Neuroscience Research is an international journal for high quality articles in all branches of neuroscience, from the molecular to the behavioral levels. The journal is published in collaboration with the Japan Neuroscience Society and is open to all contributors in the world.