Effects of asphyxia on the visual activity of the crayfish with neural deafferentation of the eyestalks

J. Puche
B. Barrera-Mera
51

Abstract

Centripetal migration of distal pigments of the crayfish compound eye, is induced by light, by a protocerebral circadian pacemaker and among many other influences by asphyxia. The adaptive migration of those pigments, in this case, is accompanied by a clear neural hyperexcitability which can be suppressed by experimental deafferentation of the eyestalks.

Keywords:
Action Potentials, Adaptation, Afferent Pathways/injuries, Animals, Asphyxia/physiopathology, Astacoidea/physiology, Circadian Rhythm/physiology, Decerebrate State/physiopathology, Denervation, Eye/innervation/metabolism/radiation effects, Female, Male, Neurosecretory Systems/physiopathology, Physiological, Retinal Pigments/metabolism, Light adaptation, Sustaining response neurons, Asphyxia photomotion, Neural deafferentation

Authors

J. Puche
B. Barrera-Mera


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