The traditional thought was that the extrapyramidal system operated entirely independently of the pyramidal system.
2.
Signs of pyramidal system involvement, including spasticity, overactive reflexes ( hyperreflexia ) and extensor plantar reflexes, also occur.
3.
They may reappear in adults or children with loss of function of the pyramidal system due to a variety of reasons.
4.
All of these disorders produce diffuse cerebral damage, usually involving many areas and systems in addition to the frontal lobes and pyramidal system, so the frontal release signs are not sufficient for a diagnosis.
5.
Fundamental work was developed about the electrical phenomena occurring in the reflex disturbances in the pyramidal system syndromes, such as lesions in the pallidum lesions etc . With the help of donations from the Rockefeller Foundation and the support of the State of Prussia, Foerster was able to open a new Institute of Neurological Research in 1934, which was later renamed after him ( University of Breslau's " Otfrid Foerster Institut F�r Neurologie " ).
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