Scoliosis failure of formation, a failure of segmentation, or a combination of stimuli. Incomplete and abnormal segmentation results in an abnormally shaped vertebra, at times fused to a normal vertebra or unilaterally fused vertebrae, leading to the abnormal lateral curvature of the spine. Secondary scoliosis due to neuropathic and myopathic conditions can lead to a loss of muscular support for the spinal column so that the spinal column is pulled in abnormal directions. Some conditions which may cause secondary scoliosis include muscular dystrophy, spinal muscular atrophy, poliomyelitis, cerebral palsy, spinal cord trauma, and myotonia. Scoliosis often presents itself, or worsens, during
Virtual body the disembodied essence of a person's mind in cyberspace and the consequent representation of a person's identity as a virtual body in cyberspace. The 'disembodiment' discourse focuses around allowing the mind to wander without the physical inhibitions of the body. This discourse is regarded as an expansion of classic theories such as astral projection or 'out-of-body experiences'. Subsequently, the virtual body is regarded as psychologically created essence that is virtually floating between information. This information in turn, according to theories, affects the mind and the virtual body but has no interaction with the physical body, which has deployed a "technological