Efferent Modulation of Physiological Properties of the Limulus Lateral Eye

The horse shoe crab, Limulus polyphemus, has a visual system that is significantly influenced by circadian sensitivity changes controlled by an internal clock in the animal's brain. A live male Limulus was chronically instrumented to measure the optic nerve activity in situ. Results reveal that...

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Veröffentlicht in:	The Biological bulletin (Lancaster) 1998-10, Vol.195 (2), p.189-190
Hauptverfasser:	Ruta, V. J., Dodge, F. A., Barlow, R. B.
Format:	Artikel
Sprache:	eng
Schlagworte:	Anatomy & physiology Animals Circadian Rhythm Circadian rhythms Crustaceans Efferent Pathways - physiology Electrodes Electroretinography Eyes Eyes & eyesight Horseshoe Crabs - physiology Limulus polyphemus Male Marine Ocular Physiological Phenomena Ommatidia Optic nerve Optic Nerve - physiology Photons Physiological aspects Retina Retina - physiology Sensory Biology Surgical suction
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Beschreibung
Zusammenfassung:	The horse shoe crab, Limulus polyphemus, has a visual system that is significantly influenced by circadian sensitivity changes controlled by an internal clock in the animal's brain. A live male Limulus was chronically instrumented to measure the optic nerve activity in situ. Results reveal that the increase in both the optic nerve response to absorbed photons and the spontaneous nerve activity in darkness are induced by the efferent input from the internal clock.
ISSN:	0006-3185 1939-8697
DOI:	10.2307/1542831