Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2018
Central neuropathic pain in paraplegia alters movement related potentials.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Vučković Aleksandra, Jarjees Mohammed, Abul Hasan Muhammad, Miyakoshi Makoto, Fraser Matthew
Аннотация
OBJECTIVES: Spinal Cord Injured (SCI) persons with and without Central Neuropathic Pain (CNP) show different oscillatory brain activities during imagination of movement. This study investigates whether they also show differences in movement related cortical potentials (MRCP).
METHODS: SCI paraplegic patients with no CNP (n = 8), with CNP in their lower limbs (n = 8), and healthy control subjects (n = 10) took part in the study. EEG clustering involved independent component analysis, equivalent current dipole fitting, and Measure Projection to define cortical domains that have functional modularity during the motor imagery task.
RESULTS: Three domains were identified: limbic system, sensory-motor cortex and visual cortex. The MRCP difference between the groups of SCI with and without CNP was reflected in a domain located in the limbic system, while the difference between SCI patients and control subjects was in the sensorimotor domain. Differences in MRCP morphology between patients and healthy controls were visible for both paralysed and non paralysed limbs.
CONCLUSION: SCI but not CNP affects the movement preparation, and both SCI and CNP affect sensory processes.
SIGNIFICANCE: Rehabilitation strategies of SCI patients based on MRCP should take into account the presence of CNP.
METHODS: SCI paraplegic patients with no CNP (n = 8), with CNP in their lower limbs (n = 8), and healthy control subjects (n = 10) took part in the study. EEG clustering involved independent component analysis, equivalent current dipole fitting, and Measure Projection to define cortical domains that have functional modularity during the motor imagery task.
RESULTS: Three domains were identified: limbic system, sensory-motor cortex and visual cortex. The MRCP difference between the groups of SCI with and without CNP was reflected in a domain located in the limbic system, while the difference between SCI patients and control subjects was in the sensorimotor domain. Differences in MRCP morphology between patients and healthy controls were visible for both paralysed and non paralysed limbs.
CONCLUSION: SCI but not CNP affects the movement preparation, and both SCI and CNP affect sensory processes.
SIGNIFICANCE: Rehabilitation strategies of SCI patients based on MRCP should take into account the presence of CNP.