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Titolo:
ACCOMMODATION AND PUPILLOCONSTRICTION AREAS IN THE CAT MIDBRAIN
Autore:
KONNO S; OHTSUKA K;
Indirizzi:
SAPPORO MED UNIV,SCH MED,DEPT OPHTHALMOL,CHUO KU,S-1,W-16 SAPPORO HOKKAIDO 060 JAPAN SAPPORO MED UNIV,SCH MED,DEPT OPHTHALMOL,CHUO KU SAPPORO HOKKAIDO 060JAPAN
Titolo Testata:
Japanese Journal of Ophthalmology
fascicolo: 1, volume: 41, anno: 1997,
pagine: 43 - 48
SICI:
0021-5155(1997)41:1<43:AAPAIT>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
PUPILLARY LIGHT REFLEX; LENS ACCOMMODATION; SUPERIOR COLLICULUS; EFFERENT CONNECTIONS; CORTICAL-NEURONS; PROJECTIONS; COMPLEX; RESPONSES; PRETECTUM; MOVEMENT;
Keywords:
ACCOMMODATION; MESENCEPHALIC RETICULAR FORMATION; PRETECTUM; PUPILLOCONSTRICTION; SUPERIOR COLLICULUS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
31
Recensione:
Indirizzi per estratti:
Citazione:
S. Konno e K. Ohtsuka, "ACCOMMODATION AND PUPILLOCONSTRICTION AREAS IN THE CAT MIDBRAIN", Japanese Journal of Ophthalmology, 41(1), 1997, pp. 43-48

Abstract

The results of our previous studies suggest that the rostral superiorcolliculus (SC) is involved in the control of accommodation in the cat. The accommodation-related area in the rostral SC projects into the pretectum and the mesencephalic reticular formation (MRF), indicating that these areas may also be involved in the control of accommodation. In this study, we tried to identify cat midbrain areas of accommodation and pupilloconstriction control by systematically mapping microstimulation responses. Three regions were found to evoke the accommodationresponse: the posterolateral pretectum, including the nucleus of the optic tract and the posterior pretectal nucleus; the posteromedial pretectum, including the nucleus of the posterior commissure (NPC) and adjacent commissural fibers; and the MRF area dorsolateral to the oculomotor nucleus. Pupilloconstriction was evoked by microstimulation of the posteromedial pretectum around the NPC and the anterior pretectum around the olivary pretectal nucleus. (C) 1997 Japanese OphthalmologicalSociety.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/06/20 alle ore 01:45:04