Light and a Circadian Clock Modulate Structure and Function in Limulus Photoreceptors

  • Robert B. BarlowJr.
  • Steven C. Chamberlain


Efferent nerve signals transmitted from the brain modulate the response characteristics of sensory organs in a number of animals (1) and thereby may play an important role in processing the sensory information the brain receives. Extensive studies of the Limulus visual system have contributed significantly to our understanding of the retinal mechanisms that process the information transmitted to the brain (2, 3). Recent work in our laboratory now reveals that the response characteristics of the retina of the Limulus lateral eye are strongly influenced by efferent nerve signals transmitted from a circadian clock located in the brain (4).


Optic Nerve Circadian Clock Constant Light Pigment Granule Retinular Cell 
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Copyright information

© Plenum Press, New York 1980

Authors and Affiliations

  • Robert B. BarlowJr.
    • 1
  • Steven C. Chamberlain
    • 1
  1. 1.Institute for Sensory ResearchSyracuse UniversitySyracuseUSA

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