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The biology of romantic love has been explored by such biological sciences as evolutionary psychology, evolutionary biology, anthropology and neuroscience.Specific chemical substances such as oxytocin and dopamine are studied in the context of their roles in producing human experiences, emotions and behaviors that are associated with romantic love.
Oxytocin is a peptide hormone and neuropeptide normally produced in the hypothalamus and released by the posterior pituitary. [4] Present in animals since early stages of evolution, in humans it plays roles in behavior that include social bonding, love, reproduction, childbirth, and the period after childbirth.
An aphrodisiac is a substance alleged to increase libido, sexual desire, sexual attraction, sexual pleasure, or sexual behavior. [ 1 ][ 2 ][ 3 ] These substances range from a variety of plants, spices, and foods to synthetic chemicals. [ 1 ][ 4 ] Natural aphrodisiacs, such as cannabis or cocaine, are classified into plant-based and non-plant ...
Libido. In psychology, libido (/ lɪˈbiːdoʊ /; from the Latin libīdō, 'desire') is psychic drive or energy, usually conceived of as sexual in nature, but sometimes conceived of as including other forms of desire. [1] The term libido was originally developed by Sigmund Freud, the pioneering originator of psychoanalysis.
Anthropologist Helen Fisher, in her book Why We Love, [65] uses brain scans to show that love is the product of a chemical reaction in the brain. Norepinephrine and dopamine, among other brain chemicals, are responsible for excitement and bliss in humans as well as non-human animals. Fisher uses MRI to study the brain activity of a person "in ...
Body odour affects sexual attraction in a number of ways including through human biology, the menstrual cycle and fluctuating asymmetry. The olfactory membrane plays a role in smelling and subconsciously assessing another human's pheromones. [ 8 ] It also affects the sexual attraction of insects and mammals.
Sex pheromones are a special type of olfactory signal, produced to attract the opposite sex, to encourage mating or to perform some other function closely related to sexual reproduction. While humans are highly dependent upon visual cues, smells can also play a role in sociosexual behaviors. An inherent difficulty in studying human pheromones ...
The hormones oxytocin and vasopressin are implicated in regulating both male and female sexual motivation. Oxytocin is released at orgasm and is associated with both sexual pleasure and the formation of emotional bonds. [13] Based on the pleasure model of sexual motivation, the increased sexual pleasure that occurs following oxytocin release ...