Motoneuron Responses to Visual Stimuli in Oncopeltus Fasciatus Dallas

Author:

CHAPPLE WILLIAM D.1

Affiliation:

1. Control Systems Laboratory, Stanford Research Institute, Menlo Park, California, U.S.A.; Department of Zoology and Entomology, University of Connecticut, Storrs, Connecticut 06268

Abstract

1. Tonic discharges of homologous units in the left and right metathoracic leg nerves in response to increases and decreases in light intensity were observed. 2. Periodic variations in the frequencies of these units was shown to be related to leg movement and at a frequency appropriate for walking. 3. The intensity and duration of discharge of these units was related to the change in light intensity and the frequency of stimulation. 4. The unit of one side normally fired at a higher frequency than that of the other. 5. This was separate from the asymmetry produced by placing the animal in a rotating drum with a single 55° stripe. In this case, clockwise movement of the stripe produced a higher frequency discharge on the left side, while a counterclockwise movement reversed the frequency ratio. 6. Units in the connectives appeared to trigger this discharge.

Publisher

The Company of Biologists

Subject

Insect Science,Molecular Biology,Animal Science and Zoology,Aquatic Science,Physiology,Ecology, Evolution, Behavior and Systematics

Cited by 13 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Temporal and structural neural asymmetries in insects;Current Opinion in Insect Science;2021-12

2. Principles in the Organization of Invertebrate Sensory Systems;Comprehensive Physiology;1977-12

3. Organization of Invertebrate Motor Systems;Comprehensive Physiology;1977-12

4. EVOLUTION AND LATERALIZATION OF THE BRAIN: CONCLUDING REMARKS;Annals of the New York Academy of Sciences;1977-09

5. Role of Asymmetry in the Functioning of Invertebrate Nervous Systems;Lateralization in the Nervous System;1977

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