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Evolutionary psychology is a theoretical approach in psychology that examines cognition and behavior from a modern evolutionary perspective. It seeks to identify human psychological adaptations with regards to the ancestral problems they evolved to solve. In this framework, psychological traits and mechanisms are either functional products of natural and sexual selection or non-adaptive by-products of other adaptive traits.
Orgasm or sexual climax is the sudden discharge of accumulated sexual excitement during the sexual response cycle, resulting in rhythmic, involuntary muscular contractions in the pelvic region characterized by sexual pleasure. Experienced by males and females, orgasms are controlled by the involuntary or autonomic nervous system. They are usually associated with involuntary actions, including muscular spasms in multiple areas of the body, a general euphoric sensation, and, frequently, body movements and vocalizations. The period after orgasm is typically a relaxing experience, attributed to the release of the neurohormones oxytocin and prolactin as well as endorphins.
Sociobiology is a field of biology that aims to explain social behavior in terms of evolution. It draws from disciplines including psychology, ethology, anthropology, evolution, zoology, archaeology, and population genetics. Within the study of human societies, sociobiology is closely allied to evolutionary anthropology, human behavioral ecology, evolutionary psychology, and sociology.
Gender includes the social, psychological, cultural and behavioral aspects of being a man, woman, or other gender identity. Depending on the context, this may include sex-based social structures and gender expression. Most cultures use a gender binary, in which gender is divided into two categories, and people are considered part of one or the other ; those who are outside these groups may fall under the umbrella term non-binary. A number of societies have specific genders besides "man" and "woman," such as the hijras of South Asia; these are often referred to as third genders. Most scholars agree that gender is a central characteristic for social organization.
Biological determinism, also known as genetic determinism, is the belief that human behaviour is directly controlled by an individual's genes or some component of their physiology, generally at the expense of the role of the environment, whether in embryonic development or in learning. Genetic reductionism is a similar concept, but it is distinct from genetic determinism in that the former refers to the level of understanding, while the latter refers to the supposedly causal role of genes. Biological determinism has been associated with movements in science and society including eugenics, scientific racism, and the debates around the heritability of IQ, the basis of sexual orientation, and sociobiology.
The relationship between biology and sexual orientation is a subject of on-going research. While scientists do not know the exact cause of sexual orientation, they theorize that it is caused by a complex interplay of genetic, hormonal, and environmental influences. However, evidence is weak for hypotheses that the post-natal social environment impacts sexual orientation, especially for males.
Primatology is the scientific study of non-human primates. It is a diverse discipline at the boundary between mammalogy and anthropology, and researchers can be found in academic departments of anatomy, anthropology, biology, medicine, psychology, veterinary sciences and zoology, as well as in animal sanctuaries, biomedical research facilities, museums and zoos. Primatologists study both living and extinct primates in their natural habitats and in laboratories by conducting field studies and experiments in order to understand aspects of their evolution and behavior.
Sarah Hrdy is an American anthropologist and primatologist who has made major contributions to evolutionary psychology and sociobiology. She is considered "a highly recognized pioneer in modernizing our understanding of the evolutionary basis of female behavior in both nonhuman and human primates". In 2013, Hrdy received a Lifetime Career Award for Distinguished Scientific Contribution from the Human Behavior and Evolution Society.
Sociobiology: The New Synthesis is a book by the biologist E. O. Wilson. It helped start the sociobiology debate, one of the great scientific controversies in biology of the 20th century and part of the wider debate about evolutionary psychology and the modern synthesis of evolutionary biology. Wilson popularized the term "sociobiology" as an attempt to explain the evolutionary mechanics behind social behaviour such as altruism, aggression, and the nurturing of the young. It formed a position within the long-running nature versus nurture debate. The fundamental principle guiding sociobiology is that an organism's evolutionary success is measured by the extent to which its genes are represented in the next generation.
The "gay bomb" refers to a non-lethal psychochemical weapon concept that was speculated upon by a research laboratory within the United States Air Force. This unconventional idea involved the dispersion of sex pheromones over enemy forces, with the intent of generating mutual sexual attraction among them causing mass confusion and panic within their platoons.
Simon LeVay is a British-American neuroscientist.
The American-Canadian sexologist Ray Blanchard proposed a psychological typology of gender dysphoria, transsexualism, and fetishistic transvestism in a series of academic papers through the 1980s and 1990s. Building on the work of earlier researchers, including his colleague Kurt Freund, Blanchard categorized trans women into two groups: homosexual transsexuals who are attracted exclusively to men and are feminine in both behavior and appearance; and autogynephilic transsexuals who experience sexual arousal at the idea of having a female body. Blanchard and his supporters argue that the typology explains differences between the two groups in childhood gender nonconformity, sexual orientation, history of sexual fetishism, and age of transition.
On Human Nature is a book by the biologist E. O. Wilson, in which the author attempts to explain human nature and society through sociobiology. Wilson argues that evolution has left its traces on characteristics such as generosity, self-sacrifice, worship and the use of sex for pleasure, and proposes a sociobiological explanation of homosexuality.
Evolutionary psychology seeks to identify and understand human psychological traits that have evolved in much the same way as biological traits, through adaptation to environmental cues. Furthermore, it tends toward viewing the vast majority of psychological traits, certainly the most important ones, as the result of past adaptions, which has generated significant controversy and criticism from competing fields. These criticisms include disputes about the testability of evolutionary hypotheses, cognitive assumptions such as massive modularity, vagueness stemming from assumptions about the environment that leads to evolutionary adaptation, the importance of non-genetic and non-adaptive explanations, as well as political and ethical issues in the field itself.
Michael Terrence McGuire was an American psychiatrist who made contributions to the theory of psychoanalysis, biological psychiatry, evolutionary biology, sociobiology and the theory and practice of psychiatry.
Judith L. Hand is an American evolutionary biologist, animal behaviorist (ethologist) and a novelist. She writes on a variety of topics related to the science of animal and human behavior, including the biological and evolutionary roots of war, gender differences in conflict resolution, the empowerment of women, and the steps for ending war.
Robin Fox was an Anglo-American anthropologist who wrote on the topics of incest avoidance, marriage systems, human and primate kinship systems, evolutionary anthropology, sociology and the history of ideas in the social sciences. He founded the department of anthropology at Rutgers University in 1967 and remained a professor there for the rest of his career, also being a director of research for the H. F. Guggenheim Foundation from 1972 to 1984.
Patriarchy is a social system in which positions of dominance and privilege are held by men. The term patriarchy is used both in anthropology to describe a family or clan controlled by the father or eldest male or group of males, and in feminist theory to describe a broader social structure in which men as a group dominate women and children.
The Evolution of Human Sexuality is a 1979 book about human sexuality by the anthropologist Donald Symons, in which the author discusses topics such as human sexual anatomy, ovulation, orgasm, homosexuality, sexual promiscuity, and rape, attempting to show how evolutionary concepts can be applied to humans. Symons argues that the female orgasm is not an adaptive trait and that women have the capacity for it only because orgasm is adaptive for men, and that differences between the sexual behavior of male and female homosexuals help to show underlying differences between male and female sexuality. In his view, homosexual men tend to be sexually promiscuous because of the tendency of men in general to desire sex with a large number of partners, a tendency that in heterosexual men is usually restrained by women's typical lack of interest in promiscuous sex. Symons also argues that rape can be explained in evolutionary terms and feminist claims that it is not sexually motivated are incorrect.
The Expanding Circle: Ethics and Sociobiology is a 1981 book by Peter Singer bridging the topics of sociobiology and ethics.
References
- ↑ "Innovation in Biotechnology". www.darpa.mil. Retrieved 2019-11-14.
- 1 2 3 4 5 Tiger, Lionel (1998). "My Life in the Human Nature Wars". Perspectives in Biology and Medicine. 41 (4): 468–482. doi:10.1353/pbm.1998.0006. ISSN 1529-8795. S2CID 70439235.
- 1 2 3 Ulbrich, David J (Oct 31, 200). "The Decline of Males by Lionel Tiger". The Journal of Men's Studies. 9: 147. ProQuest 222607105 – via ProQuest.
- ↑ Wilson, Edward O. (2000) [1975]. "2. Elementary concepts of Sociobiology". Sociobiology: The New Synthesis. Vol. Part 1 (25 ed.). Harvard University Press. pp. Reasoning in Sociobiology, p.27–30. ISBN 978-0-674-00089-6.
- ↑ Steklis, Horst. "Review of "God's Brain".
- 1 2 Schiller, Kristan (Nov 21, 1999). "IN PERSON; It All Comes Down to Sex". New York Times. Retrieved 7 May 2020.
- ↑ WALZER, ANDREW (Winter 2002). "Narratives of Contemporary Male Crisis: The (Re)production of a National Discourse". The Journal of Men's Studies. 10 (2): 209–223. doi:10.3149/jms.1002.209. S2CID 144565045.
