Synchronous firing patterns of a set of insect neurosecretory cells

The number of active cells in each synchronous firing event in a set of 10 neurosecretory cells in the silkmoth Bombyx mori was estimated from the amplitude and waveform of compound action potentials. One to 10 cells discharged an action potential within a period of 30 ms and one to two or nine to 1...

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Bibliographic Details
Published in:Neuroscience letters 1999-04, Vol.264 (1), p.85-88
Main Authors: Ichikawa, Toshio, Imafuku, Yasuhiro, Tawada, Katsuhisa
Format: Article
Language:English
Subjects:
Action potential
Action Potentials - physiology
Animals
Biochemistry. Physiology. Immunology
Biological and medical sciences
Bombyx - physiology
Bombyx mori
Child
Electrical coupling
Electrophysiology
Fundamental and applied biological sciences. Psychology
Humans
Insecta
Invertebrates
Multi-neuronal system
Neurosecretory cells
Neurosecretory Systems - cytology
Neurosecretory Systems - physiology
Physiology. Development
Silkmoth
Synchronous firing
Time Factors
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Summary:The number of active cells in each synchronous firing event in a set of 10 neurosecretory cells in the silkmoth Bombyx mori was estimated from the amplitude and waveform of compound action potentials. One to 10 cells discharged an action potential within a period of 30 ms and one to two or nine to 10 units became active more frequently in a synchronous firing event. Numbers of active cells fluctuated like a sequence of pseudo random numbers, though the same number of cells tended to fire in two successive firing events of a short interval. These patterns suggest that electrical coupling may mediate synchronous firings in the insect neurosecretory cell system.
ISSN:0304-3940
1872-7972
DOI:10.1016/S0304-3940(99)00164-0