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Fig. 7. An octopamine agonist chlordimeform (CDM) injected into the brain but not
into the SEG stimulates walking in stung cockroaches. (A) Brain injection.
Stung/CDM individuals walk significantly longer
(***P<0.001) than stung/saline or control/epinastine
cockroaches. There is no significant difference in walking behavior between
stung/saline and control/epinastine cockroaches. Furthermore, no significant
difference is found between control animals injected with saline or CDM or
stung cockroaches injected with CDM. (B) SEG injection. CDM injected into
stung cockroaches has no effect on walking behavior. Stung cockroaches
injected with CDM or with saline walk significantly less than control
cockroaches injected with saline or CDM (***P<0.001).
Injecting CDM into control cockroaches has no significant effect on walking
behavior when compared to control cockroaches injected with saline.