Abstract
BY means of stainless steel microelectrodes, we have recorded multimodal interneurones in the protocerebrum of the cockroach, Periplaneta americana. At least two basic types of interneurone were recorded; one was excited by visual and a variety of mechanical stimuli, while the other was excited by visual stimuli and inhibited when abdominal movements occurred. Interneurones similar to one or the other of these two types have previously been reported in the optic lobe and protocerebrum of the migratory locust, where they also showed auditory responses1, in the optic nerve of decapod crustaceans2, and in moth protocerebrum3. In spite of these similarities, however, the cockroach units also showed certain distinct properties of their own.
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References
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DINGLE, H., CALDWELL, R. Multimodal Interneurones in Cockroach Cerebrum. Nature 215, 63–64 (1967). https://doi.org/10.1038/215063a0
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DOI: https://doi.org/10.1038/215063a0
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