The evolutionary origin of religion and religious behavior is a field of study related to evolutionary psychology, the origin of language and mythology, and cross-cultural comparison of the anthropology of religion. Some subjects of interest include Neolithic religion, evidence for spirituality or cultic behavior in the Upper Paleolithic, and similarities in great ape behavior.
Religious behavior in animals
Humanity's closest living relatives are common chimpanzees and bonobos. These primates share a common ancestor with humans who lived between six and eight million years ago. It is for this reason that chimpanzees and bonobos are viewed as the best available surrogate for this common ancestor. Barbara King argues that while non-human primates are not religious, they do exhibit some traits that would have been necessary for the evolution of religion. These traits include high intelligence, a capacity for symbolic communication, a sense of social norms, and realization of "self" continuity. There is inconclusive evidence that Homo neanderthalensis may have buried their dead, which would be evidence of mortuary ritual. The use of burial rituals is thought to be evidence of religious activity, but there is no other evidence that religion existed in human culture before humans reached behavioral modernity. Other lines of evidence have revealed that Homo neanderthalensis made cave art, which would require a high level of symbolic thinking paralleling religious thought.
Elephants perform rituals for their dead. They demonstrate long periods of silence and mourning at the point of death; later, elephants return to grave sites and caress the remains. Some evidence suggests that many species grieve death and loss.
In this set of theories, the religious mind is one consequence of a brain that is large enough to formulate religious and philosophical ideas. During human evolution, the hominid brain tripled in size, peaking 500,000 years ago. Much of the brain's expansion took place in the neocortex.
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In vitro cytotoxicity testing is often the first step to establish the utility of a compound as a potential drug. The course will teach students how to evaluate the cytotoxicity of compounds on cancer
Many eukaryotes form multinucleated cells during their devel-opment. Some cells persist as such during their lifetime, others choose to cleave each nucleus individually using a specialized cytokinetic process known as cellularization. What is cellula-rizat ...
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Arch-shaped axially magnetized bodies tend to appear frequently in electrical machine analysis such as in the overhang parts of the classical radial-flux machines as well as in the main parts of the axial-flux machines. The calculation of the 3-D fields or ...
Centrioles are evolutionarily conserved barrels of microtubule triplets that form the core of the centrosome and the base of the cilium. While the crucial role of the proximal region in centriole biogenesis has been well documented, its native architecture ...
Cognitive science of religion is the study of religious thought, theory, and behavior from the perspective of the cognitive and evolutionary sciences. Scholars in this field seek to explain how human minds acquire, generate, and transmit religious thoughts, practices, and schemas by means of ordinary cognitive capacities. Although religion has been the subject of serious scientific study since at least the late nineteenth century, the study of religion as a cognitive phenomenon is relatively recent.
The evolutionary psychology of religion is the study of religious belief using evolutionary psychology principles. It is one approach to the psychology of religion. As with all other organs and organ functions, the brain's functional structure is argued to have a genetic basis, and is therefore subject to the effects of natural selection and evolution. Evolutionary psychologists seek to understand cognitive processes, religion in this case, by understanding the survival and reproductive functions they might serve.
Paleolithic religions are a set of spiritual beliefs and practices that are theorized to have appeared during the Paleolithic time period. Paleoanthropologists Andre Leroi-Gourhan and Annette Michelson believe unmistakably religious behaviour emerged by the Upper Paleolithic, before 30,000 years ago at the latest, but behavioral patterns such as burial rites that one might characterize as religious — or as ancestral to religious behaviour — reach back into the Middle Paleolithic, as early as 300,000 years ago, coinciding with the first appearance of Homo neanderthalensis and possibly Homo naledi.