منابع مشابه
The pain of altruism.
Sociality and cooperation are benefits to human cultures but may carry unexpected costs. We suggest that both the human experience of pain and the expression of distress may result from many causes not experienced as painful in our close primate relatives, because human ancestors motivated to ask for help survived in greater numbers than either the thick-skinned or the stoic.
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متن کاملAltruism
What is altruism? Altruism is a type of social behaviour. From an evolutionary point of view, a behaviour is social if it has consequences for both the actor and another individual — the recipient. Social behaviours can be categorized according to whether their consequences for the actor and recipient are beneficial, increasing fitness, or costly, decreasing fitness (Figure 1). Altruism is when...
متن کاملAltruism
Altruistic actions are generally seen as 'noble'. Yet some 'lowly' organisms are apt to match the most heroic human acts of devotion and self-sacrifice. To use a widely-quoted example, consider Dicrocoelium dendriticum, also known as brainworm. These parasites spend some of their stages in the innards of cows, exit in the feces and, in the form of cercaria, are eaten by ants a few stages later....
متن کاملPaternal Altruism or Smart Parent Altruism? Paternal Altruism or Smart Parent Altruism?
If the bene ciary of an altruist's gift can be expected to use this gift e ciently, then a pure altruist (one who cares about the bene ciary's utility level, but not how utility is obtained) should only give gifts of money. This is often interpreted to mean that any other type of gift is evidence of paternal altruism. However, it is known (Linbeck and Weibull (1988)) that altruism creates an in...
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ژورنال
عنوان ژورنال: Science
سال: 2020
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.367.6479.753-g