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Visual reinforcement in the female Siamese fighting fish, Betta splendens. Operant conditioning with Betta splendens Bettas has been investigated extensively using males of the species. Ethological studies of female Bettas have revealed aggressive interactions that qualitatively parallel those between male Bettas. Given these similarities, four experiments were conducted with female Bettas to examine the generality of a widely reported finding with males : mirror-image reinforcement.
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Operant conditioning with " Betta splendens " " Bettas " has been investigated extensively using males of the species. Ethological studies of female " Bettas " have revealed aggressive interactions that qualitatively parallel those between male " Bettas ". Given these similarities, four experiments were conducted with female " Bettas " to examine the…. Visual reinforcement in the female Siamese fighting fish, Betta splendens. Operant conditioning with Betta splendens Bettas has been investigated extensively using males of the species. Ethological studies of female Bettas have revealed aggressive interactions that qualitatively parallel those between male Bettas. Given these similarities, four experiments were conducted with female Bettas to examine the generality of a widely reported finding with males : mirror-image reinforcement.
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The adaptive function of male masturbation is still poorly understood, despite its high prevalence in humans and other animals. In non-human primates, male masturbation is most frequent among anthropoid monkeys and apes living in multimale-multifemale groups with a promiscuous mating system. In these species, male masturbation may be a non-functional by-product of high sexual arousal or be adaptive by providing advantages in terms of sperm competition or by decreasing the risk of sexually transmitted infections.
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