An experiment was carried out to investigate proximate mechanisms of behavioural phase change in the locust Locusta fictiva (Figure 2 below). Solitarious locusts were injected with XDA, a dopamine receptor antagonist, either 1 h before or immediately after crowding them for 4 h (N=30 each). A control group of solitarious locusts received a saline injection 1 h before crowding (N=30). Locusts of all three groups were then observed in a behavioural arena to determine their probability of gregariousness (Pgreg). Briefly describe the result and discuss what conclusions you can draw about the proximate mechanism of phase change in this species.
An experiment was carried out to investigate proximate mechanisms of behavioural phase change in the locust Locusta fictiva (Figure 2 below). Solitarious locusts were injected with XDA, a dopamine receptor antagonist, either 1 h before or immediately after crowding them for 4 h (N=30 each). A control group of solitarious locusts received a saline injection 1 h before crowding (N=30). Locusts of all three groups were then observed in a behavioural arena to determine their probability of gregariousness (Pgreg). Briefly describe the result and discuss what conclusions you can draw about the proximate mechanism of phase change in this species.
Essentials of Pharmacology for Health Professions
7th Edition
ISBN:9781305441620
Author:WOODROW
Publisher:WOODROW
Chapter22: Anticonvulsants, Antiparkinsonian Drugs, And Agents For Alzheimer’s Disease
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An experiment was carried out to investigate proximate mechanisms of behavioural phase change in the locust Locusta fictiva (Figure 2 below). Solitarious locusts were injected with XDA, a dopamine receptor antagonist, either 1 h before or immediately after crowding them for 4 h (N=30 each). A control group of solitarious locusts received a saline injection 1 h before crowding (N=30). Locusts of all three groups were then observed in a behavioural arena to determine their probability of gregariousness (Pgreg). Briefly describe the result and discuss what conclusions you can draw about the proximate mechanism of phase change in this species.
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