Behavioral modernity in the context of "Evolutionary anthropology"

The Upper Paleolithic (or Upper Palaeolithic) is the third and last subdivision of the Paleolithic or Old Stone Age. Very broadly, it dates to between 50,000 and 12,000 years ago (the beginning of the Holocene), according to some theories coinciding with the appearance of behavioral modernity in humans. It is followed by the Mesolithic.

Anatomically modern humans (i.e. Homo sapiens) are believed to have emerged in Africa around 300,000 years ago. It has been argued by some that their ways of life changed relatively little from that of archaic humans of the Middle Paleolithic, until about 50,000 years ago, when there was a marked increase in the diversity of artefacts found associated with modern human remains. This period coincides with the most common date assigned to expansion of modern humans from Africa throughout Asia and Eurasia, which may have contributed to the extinction of the Neanderthals.

Nudity is the state of being in which a human is without clothing. While estimates vary, for the first 90,000 years of pre-history, anatomically modern humans were naked, having lost their body hair, living in hospitable climates, and not having developed the crafts needed to make clothing.

As humans became behaviorally modern, body adornments such as jewelry, tattoos, body paint and scarification became part of non-verbal communications, indicating a person's social and individual characteristics. Indigenous peoples in warm climates used clothing for decorative, symbolic or ceremonial purposes but were often nude, having neither the need to protect the body from the elements nor any conception of nakedness being shameful. In many societies, both ancient and contemporary, children might be naked until the beginning of puberty and women often do not cover their breasts due to the association with nursing babies more than with sexuality.

The origin of language, its relationship with human evolution, and its consequences have been subjects of study for centuries. Scholars wishing to study the origins of language draw inferences from evidence such as the fossil record, archaeological evidence, and contemporary language diversity. They may also study language acquisition as well as comparisons between human language and systems of animal communication (particularly other primates). Many argue for the close relation between the origins of language and the origins of modern human behavior, but there is little agreement about the facts and implications of this connection.

The shortage of direct, empirical evidence has caused many scholars to regard the entire topic as unsuitable for serious study; in 1866, the Linguistic Society of Paris banned any existing or future debates on the subject, a prohibition which remained influential across much of the Western world until the late twentieth century. Various hypotheses have been developed on the emergence of language. While Charles Darwin's theory of evolution by natural selection had provoked a surge of speculation on the origin of language over a century and a half ago, the speculations had not resulted in a scientific consensus by 1996. Despite this, academic interest had returned to the topic by the early 1990s. Linguists, archaeologists, psychologists, and anthropologists have renewed the investigation into the origin of language with modern methods.

Prehistoric technology is technology that predates recorded history. History is the study of the past using written records. Anything prior to the first written accounts of history is prehistoric, including earlier technologies. About 2.5 million years before writing was developed, technology began with the earliest hominids who used stone tools, which they first used to hunt food, and later to cook.

There are several factors that made the evolution of prehistoric technology possible or necessary. One of the key factors is behavioral modernity of the highly developed brain of Homo sapiens capable of abstract reasoning, language, introspection, and problem-solving. The advent of agriculture resulted in lifestyle changes from nomadic lifestyles to ones lived in homes, with domesticated animals, and land farmed using more varied and sophisticated tools. Art, architecture, music and religion evolved over the course of the prehistoric periods.

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 behavior emerged by the Upper Paleolithic, before 30,000 years ago at the latest. However, behavioral patterns such as burial rites that one might characterize as religious — or as ancestral to religious behavior — 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.

Religious behavior is one of the hallmarks of behavioral modernity. There are several theories as to the moment this suite of behavioral characteristics fully coalesced. One theory links the germination of behavioral innovations to a cultural revolution among early modern humans, which coincided with their arrival to Europe 40,000 years ago. A variant of this model sees behavioral modernity as occurring gradually, beginning with the Middle Stone Age. According to a third theory, characteristics that define behavioral modernity are not unique to the Homo sapiens, but arose over a long period of time, among different human types, including Neanderthals.