Central nervous system control of circadian rhythmicity in the cockroach

摘要: 1. We found no evidence that the thoracic ganglia which effect locomotory movements are themselves autonomously (circadian) rhythmic in their activity. 2. The abdominal play role effecting rhythmicity of ganglia, and hence, locomotion. 3. We positive suboesophageal ganglion does not control rhythm by a secretion hormonal agent. It does, on other hand, activity level neural channel. 4. The is strong driving oscillation brain, fact protocerebrum. 5. The pars intercerebralis suppresses (by channel) activity. also, separately, mediates channel. 6. The can however only cause locomotion when it has intact connections with optic lobes. 7. The nervous system responsible for circadian thus — probably localized lobes. 8. Animals left tract right nerve have been severed display freerunning 24 hour light/dark cycle: lobe uncoupled from therefore cannot drive; drive but compound eye.