منابع مشابه
Male-Male Sexual Behavior in the Parasitic Wasp Psyttalia concolor
The role of male-male courtship in parasitic Hymenoptera is poorly known. A laboratory study was conducted to assess if Psyttalia concolor (Szépligeti) (Hymenoptera: Braconidae) male courtship can be affected by a previous experience in courting young conspecifics of both sexes. Two experiments were performed to evaluate the effect of experience in courting young wasps on both male courtship an...
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tive spike-like electrical discharges occur in the nucleus reticularis pontis caudalis and appear to spread to various parts of the visual system (5, 6). The close temporal association between periods of masseter contractions and REM periods could be explained on the basis of the anatomical proximity (within the brain stem) of the motor nucleus of the trigeminal nerve, which is directly respons...
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Sexually selected signals are common in many animals, though little reported in social insects. We investigated the occurrence of male visual signals mediating the dominance relationships among males and female choice of sexual partner in the paper wasp Polistes simillimus. Males have three conspicuous, variable and sexually dimorphic traits: black pigmentation on the head, a pair of yellow abd...
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The task of somehow putting mind into a computer is one that has been pursued by artiicial intelligence researchers for decades, and though we are getting closer, we have not caught it yet. Mind is an incredibly complex and poorly understood thing, but we should not let this stop us from continuing to strive toward the goal of intelligent computers. Two issues that are essential to this endeavo...
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Primatological research is often conducted for the purpose of clarifying the evolutionary trajectories of behavioral and morphological characters that are either unique to humans or are shared with closely related species. Nonhuman primate species—especially those whose common ancestry is relatively recent, such as chimpanzees—can serve as referential models that provide insights into our evolu...
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ژورنال
عنوان ژورنال: Nature
سال: 1997
ISSN: 0028-0836,1476-4687
DOI: 10.1038/38931