Abstract：
:Morphological and behavioural effects of testosterone (T) and of 5 α-dihydrotestosterone (5α-DHT) injected daily for a 3-week period at dosages of 0.5, 1, 5 and 10 mg for T and 1 and 5 mg for α-DHT were studied in the adult male castrated Japanese quail. Injections of 0.5 or 1.0 mg T produced only slight development of the cloacal gland while the other four treatments stimulated growth which reached maximal or submaximal values. Testosterone injections stimulated sexual activities; some such effects were also observed after treatment with 5α-DHT. Although both steroids elicited crowing, there were qualitative differences between quails given 5α-DHT and those given T and intacts. These differences were not due to the development of the sternotracheal (syringeal) muscles, the weights of which were increased and reached similar values in the 5α-DHT and T (5 and 10 mg) treated males. These results are discussed in the context of our present knowledge of the mechanisms of regulation of reproduction processes by testosterone and its metabolites in birds.
journal_name
Behav Processesjournal_title
Behavioural processesauthors
Deviche P,Schumacher Mdoi
10.1016/0376-6357(82)90020-1subject
Has Abstractpub_date
1982-06-01 00:00:00pages
107-21issue
2eissn
0376-6357issn
1872-8308pii
0376-6357(82)90020-1journal_volume
7pub_type
杂志文章abstract：:Increased cooperation in groups that are allowed to communicate (engage in "cheap talk") has been attributed to reputation-building and to cultural norms or culturally normal behavior. We tested these two theories by exposing groups of undergraduates to a public-goods social dilemma. Five groups were permitted to comm...
journal_title：Behavioural processes
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journal_title：Behavioural processes
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journal_title：Behavioural processes
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journal_title：Behavioural processes
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journal_title：Behavioural processes
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journal_title：Behavioural processes
pub_type： 杂志文章
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journal_title：Behavioural processes
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journal_title：Behavioural processes
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journal_title：Behavioural processes
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journal_title：Behavioural processes
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pub_type： 杂志文章
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abstract：:This article reviews studies investigating the effect of economy type on reinforcer value. In a closed economy, consumption of the reinforcer depends entirely on the subject's behavior, whereas in an open economy it does not, due, for example, to the provision of free reinforcers after the session. In theory, reinforc...
journal_title：Behavioural processes
pub_type： 杂志文章,评审
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