The spinal cord is a very important part of the central nervous system. fMRI can be applied to observe functional status of the human spinal cord. Under different conditions, the investigators will see different types of fMRI signals within the spinal cord. In resting state, the investigators might see active/inactive signals, too.
- Motor task, sensory stimulation Other
Other Names: group 1:healthy people; group 2:patients with cerebral infarction,chronic stage Intervention Desc: motor task: finger tapping, simple type and complex type sensory stimulation: electric or tactile stimulation ARM 1: Kind: Experimental Label: 1 Description: healthy people, male ARM 2: Kind: Experimental Label: 2 Description: male patients with cerebral infarction, chronic stage
- Perspective: Cross-Sectional
- Sampling: Non-Probability Sample
group 1: male residents of Beijing group 2: male stroke patients of Beijing Boai hospital
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