Sexual developments for adults have many factors that include pregnancy, stress, illness, chronic depression, and the normal aging process. As adults continue to age, adult woman and men experience a number of psychological and psychical changes that affect an adult sexual relationships and sexuality. An adult’s behavior and hormones affect the development of adult sexuality and this interaction has key biological changes that show in adult’s sexual development and sexual differentiation.
The relationship between behavior and hormones is equally joined. When one’s levels of higher hormones increase the chance for certain behaviors. The certain changes made by the behavior, increases the chance of a change in hormones. Hormones are secreted by different glands of the body, in which is vital to the human system. Each hormone has a different function in which a chemical is released that modifies an individual metabolism and sexual urges (Steinke, 1994). The release of a hormone involves one cell that affects another for a preferred result. Everything that is living has a hormone, for example; plants and animals. For woman, they tend to have more hormones and experience more of a change then men. The thyroid glands, ovaries, pituitary glands, and the endocrine system discharge hormones (Steinke, 1994). The main functions of these hormones being discharged carry out a particular function that is carried out by the hormone being released. These functions help to carry out our physical actions and mental actions.
Individuals behavior patterns are related to the chemical levels within the body that cause the chemical reactions to take place. However, female and male brains would appear to be the same, but differences can be seen through the interstitial nuclei of the anterior hypothalamus. In males, this is known to be bigger within the brain than females. This example is just many of a few. However, diseases can occur from a lack of hormones within an individual’s body that does not secrete enough hormones in certain areas. This can later change an individual’s behavior in negative ways, like anger, dominance, aggression, and depression (Steinke, 1994). In the end, the brain is vital for all sexual behavior.
The two types of general hormones are steroids and peptides. Steroids release the hormone that a young one’s body produces, which is responsible for males and females reaching puberty (Kimura, 1987). This hormone is also responsible for sex hormones and sexual behavior. Peptide is another hormone that creates other characteristics within the body that help control behavior that is essential to development (Kimura, 1987). The release of certain hormones shapes an individual’s psychical sexual development, which is known as organisational effect (Wickens, 2005). This also occurs when an individual reaches puberty, when certain hormones start being released at a much fast pace. An example of this would be a woman’s menstrual cycle. The hormone that is released when a female is about to ovulate for the first time is a sex hormone that increases and influences behavior, after a female has reached her sexual development. This shows males and females sexual adult characteristics.
Psychical maturation does not end nor began with human beings age. Individuals acquire sexual capacities and attitudes before the individual reaches puberty and acquires later in the individuals adult life. As an individual grows, they may lose certain aptitudes with age or view it differently. Habits and sexual tendencies develop over the years and there may be several periods of increase or decrease sexual activity. The changes a person goes through and the reorientations period changes, not only for natural biological reasons but also in response to varying cultural demands (Kimura, 1987). Even though certain difference between males and females and the anatomy of the nervous system are different, shows more in the lower half of the spinal cord (Kimura, 1987). However, neuroanatomical difference between both sexes in the brain structure was proven to show that early androgen exposure could change the neural structure of different areas in the brain that has been known to be related with sexual behavior (Wickens, 2005).
From the time a human is developed hormones determine what sexual orientation an individual will become. Sexual behavior is necessary for all species to develop and multiply. An individual’s hormones are influenced after puberty, which causes other hormones to produce more hormones. Since, certain organs within a male or female body are also not as similar as one would think. These differences are shown through the structures of the spinal cord. The different structures can cause areas in the brain to be related to sexual behavior by an early androgen exposure. As males and females grow into adulthood not every one person is the same or developed alike, but adult sexual development never stops.
References
Kimura, D. (1987). Are men's and women's brains really different?. Canadian Psychology/Psychologie canadienne, 28(2), 133-147. doi:10.1037/h0079885.
Steinke, E. (1994). Knowledge and attitudes of older adults about sexuality in ageing: a comparison of two studies. Journal of Advanced Nursing, 19(3), 477-485. doi:10.1111/1365-2648.ep8537612.
Wickens, A.P. (2005). Foundations of Biopsychology (2nd. Ed.) New York: Pearson/Prentice Hall.
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