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The possible existence of a direct projection from the substantia nigra to the pulvinar-lateral posterior complex (Pul-LP) was investigated in the cat by using the horseradish peroxidase technique. In particular horseradish peroxidase was injected in the Pul-LP of 8 animals, either unilaterally or bilaterally. Tissue sections obtained from the cat's brain 24-48 hrs. after injection were prepared according to Mesulam's method as slightly modified by the authors. Retrogradelly labelled neurons were observed in substantia nigra pars lateralis and reliculata ipsilaterally to the injected pulvinar-lateral posterior complex. A small number of labelled cells were also found in the contralateral substantia nigra. These findings demonstrate the existence of a close connection between two system which are involved in turning behavior: the nigrostriatal and the pulvinar-lateral posterior complex-superior colliculus.
H Saavedra, and
E Motles, and
C Infante, and
J Leiva
June 1974,
Brain research,
H Saavedra, and
E Motles, and
C Infante, and
J Leiva
January 1980,
Experimental brain research,
H Saavedra, and
E Motles, and
C Infante, and
J Leiva
January 1976,
Zeitschrift fur mikroskopisch-anatomische Forschung,
H Saavedra, and
E Motles, and
C Infante, and
J Leiva
October 1994,
Experimental neurology,
H Saavedra, and
E Motles, and
C Infante, and
J Leiva
January 1980,
Anatomy and embryology,
H Saavedra, and
E Motles, and
C Infante, and
J Leiva
July 1979,
Brain research,
H Saavedra, and
E Motles, and
C Infante, and
J Leiva
September 1984,
Experimental neurology,
H Saavedra, and
E Motles, and
C Infante, and
J Leiva
January 1982,
Experimental brain research,
H Saavedra, and
E Motles, and
C Infante, and
J Leiva
January 1983,
Anatomy and embryology,
H Saavedra, and
E Motles, and
C Infante, and
J Leiva
June 1982,
Neuroscience letters,
