S Liu

PurposeThe effect of sensorimotor stripping on neuroplasticity and motor imagery capacity is unknown, and the physiological mechanisms of post-amputation phantom limb pain (PLP) illness remain to be investigated.Materials and methodsIn this study, an electroencephalogram (EEG)-based event-related (de)synchronization (ERD/ERS) analysis was conducted using a bilateral lower limb motor imagery (MI) paradigm. The differences in the execution of motor imagery tasks between left lower limb amputations and healthy controls were explored, and a correlation analysis was calculated between level of phantom limb pain and ERD/ERS.ResultsThe multiple frequency bands showed a significant ERD phenomenon when the healthy control group performed the motor imagery task, whereas amputees showed significant ERS phenomena in mu band. Phantom limb pain in amputees was negatively correlated with bilateral sensorimotor areas electrode powers.ConclusionSensorimotor abnormalities reduce neural activity in the sensorimotor cortex, while the motor imagination of the intact limb is diminished. In addition, phantom limb pain may lead to over-activation of sensorimotor areas, affecting bilateral sensorimotor area remodeling.

This volume is intended for professional philosophers and laymen with an interest in East-West studies and comparative philosophy and religion. The central focus is the concept of comparing perspectives from both the Eastern and the Western philosophical traditions on harmony and strife. The unique and happy result is an East-West anthology which is directed at analyzing a single philosophical problem which is of importance to both traditions. Unlike many anthologies which tend to be collections of isolated and unrelated essays, the Editors' focus on a single theme has resulted in a unified volume which maintains a high continuity of interest throughout. The Editors have carefully culled and organized essays from a select group of philosophers from the United States, West Germany, Japan, Australia, Beijing, Taipei and Hong Kong. Harmony and strife are analyzed as systematic concepts in Western philosophy, as parts of classical Chinese thought, as central concepts in Buddhism, as metaphysical concepts, as dialectical concepts and even as null concepts. The Editors have taken great care so that a continuity and a coherence of presentation is achieved despite the striking variety of perspectives from which harmony and strife are analyzed. It is both unusual and important to have such a systematic and thorough investigation of a topic of paramount social and philosophical significance by some of the leading minds of the day. Besides, the essays included are eminently readable. The volume is likely to become a standard work in this area for some years to come.