A progressive neurologic disorder characterized by a supranuclear ophthalmoplegia, especially paralysis of vertical gaze; retraction of eyelids, psuedobulbar palsy, dyasarthria, dystonic rigidity of the neck and trunk, and dementia. Onset usually in the sixth decade.
Richardson first recognized the condition in 1955 in his private practice and began looking for other patients. The team of Richardson, Steele and Olszewski began working together in 1959.
- J. C. Richardson, J. Steele, J. Olszewski:
Supranuclear ophthalmoplegia, pseudobulbar palsy, nuchal dystonia and dementia - a clinical report on eight cases of "heterogeneous system degeneration".
Transactions of the American Neurological Association, New York, 1963, 88: 25-29.
- J. Steele, J. C. Richardson, J. Olszewski:
Progressive supranuclear palsy.
Archives of Neurology, Chicago, 1964, 10: 333-359.
- J. C. Steele:
Progressive supranuclear palsy. Brain, Oxford, UK, 1972, 95: 693-704.