Week 7 Forum – Changes in Later Life

March 8, 2022
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Week 7 Forum – Changes in Later Life

Week 7 Forum – Changes in Later Life

Instructions: Please respond to the following questions: What do you think is the most challenging change/s in physical, cognitive, social or emotional development that occur in in late adulthood? What approaches would you recommend to alleviate some of the impact of these changes? If you believe that the changes are inevitable, why do you hold that belief? Support your writing

Physical Changes
Late adulthood is the stage of life from the 60s onward; it constitutes the last stage of physical change. Average life expectancy in the United States is around 80 years; however, this varies greatly based on factors such as socioeconomic status, region, and access to medical care. In general, women tend to live longer than men by an average of five years. During late adulthood the skin continues to lose elasticity, reaction time slows further, and muscle strength diminishes. Hearing and vision—so sharp in our twenties—decline significantly; cataracts, or cloudy areas of the eyes that result in vision loss, are frequent. The other senses, such as taste, touch, and smell, are also less sensitive than they were in earlier years. The immune system is weakened, and many older people are more susceptible to illness, cancer, diabetes, and other ailments. Cardiovascular and respiratory problems become more common in old age. Seniors also experience a decrease in physical mobility and a loss of balance, which can result in falls and injuries.

Changes in the Brain
The aging process generally results in changes and lower functioning in the brain, leading to problems like memory loss and decreased intellectual function. Age is a major risk factor for most common neurodegenerative diseases, including mild cognitive impairment, Alzheimer’s disease, cerebrovascular disease, Parkinson’s disease, and Lou Gehrig’s disease.

While a great deal of research has focused on diseases of aging, there are only a few informative studies on the molecular biology of the aging brain. Many molecular changes are due in part to a reduction in the size of the brain, as well as loss of brain plasticity. Brain plasticity is the brain’s ability to change structure and function. The brain’s main function is to decide what information is worth keeping and what is not; if there is an action or a thought that a person is not using, the brain will eliminate space for it.

Photos depicting the progression of Alzheimer’s disease: Alzheimer’s disease (AD) is a neurodegenerative disease and is the most common form of dementia in older adults.

Brain size and composition change along with brain function. Computed tomography (CT) studies have found that the cerebral ventricles expand as a function of age in a process known as ventriculomegaly. More recent MRI studies have reported age-related regional decreases in cerebral volume. The brain begins to lose neurons in later adult years; the loss of neurons within the cerebral cortex occurs at different rates, with some areas losing neurons more quickly than others. The frontal lobe (which is responsible for the integration of information, judgement, and reflective thought) and corpus callosum tend to lose neurons faster than other areas, such as the temporal and occipital lobes. The cerebellum, which is responsible for balance and coordination, eventually loses about 25 percent of its neurons as well.

Changes in Memory
Memory also degenerates with age, and older adults tend to have a harder time remembering and attending to information. In general, an older person’s procedural memory stays the same, while working memory declines. Procedural memory is memory for the performance of particular types of action; it guides the processes we perform and most frequently resides below the level of conscious awareness. In contrast, working memory is the system that actively holds multiple pieces of transitory information in the mind where they can be manipulated. The reduced capacity of the working memory becomes evident when tasks are especially complex. Semantic memory is the memory of understanding things, of the meaning of things and events, and other concept-based knowledge. This type of memory underlies the conscious recollection of factual information and general knowledge about the world, and remains relatively stable throughout life.

Week 7 Forum – Changes in Later LifeCognitive Development in Late Adulthood
Cognitive abilities such as memory may see a decline in late adulthood.

As an individual ages into late adulthood, psychological and cognitive changes can sometimes occur. A general decline in memory is very common, due to the decrease in speed of encoding, storage, and retrieval of information. This can cause problems with short-term memory retention and with the ability to learn new information. In most cases, this absent-mindedness should be considered a natural part of growing older rather than a psychological or neurological disorder.

Intelligence: Cognitive ability changes over the course of a person’s lifespan, but keeping the mind engaged and active is the best way to keep thinking sharp.

Distinct from a normal decline in memory is dementia, a broad category of brain diseases that cause a gradual long-term decrease in the ability to think and remember to the extent that a person’s daily functioning is affected. While the term “dementia” is still often used in lay situations, in the DSM-5 it has been renamed “neurocognitive disorder,” with various degrees of severity.

Alzheimer’s disease is the most common type of neurocognitive disorder, accounting for 50% to 70% of cases. Neurocognitive disorders most commonly affect memory, visual-spatial ability, language, attention, and executive function (e.g., judgment and problem-solving). Most of these disorders are slow and progressive; by the time a person shows signs of the disease, the changes in their brain have already been happening for a long time. About 10% of people with dementia have what is known as mixed dementia, which is usually a combination of Alzheimer’s disease and another type of dementia.

There is no cure for dementia, but for people who suffer from these disorders and for their caregivers, many measures can be taken to improve their lives. These can include education and support for the caregiver and daily exercise programs or cognitive or behavioral therapies for the person with the disorder.

Socioemotional Development in Late Adulthood
Growing older means confronting many psychological, emotional, and social issues that come with entering the last phase of life.

As people approach the end of life, changes occur and special challenges arise. Growing older means confronting many psychological, emotional, and social issues that come with entering the last phase of life.

Increased Dependency
As people age, they become more dependent on others. Many elderly people need assistance in meeting daily needs as they age, and over time they may become dependent on caregivers such as family members, relatives, friends, health professionals, or employees of senior housing or nursing care. Many older adults spend their later years in assisted living facilities or nursing homes, which can have social and emotional impacts on their well-being. Older adults may struggle with feelings of guilt, shame, or depression because of their increased dependency, especially in societies where caring for the elderly is viewed as a burden. If an elderly person has to move away from friends, community, their home, or other familiar aspects of their life in order to enter a nursing home, they may experience isolation, depression, or loneliness.

Increased dependency can also put older adults at risk of elder abuse. This kind of abuse occurs when a caretaker intentionally deprives an older person of care or harms the person in their charge. The elderly may be subject to many different types of abuse, including physical, emotional, or psychological. Approximately one in ten older adults report being abused, and this number rises in the cases of dementia or physical limitations.

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Despite the increasing physical challenges of old age, many new assistive devices made especially for the home have enabled more old people to care for themselves and accomplish activities of daily living (ADL). Some examples of devices are a medical alert and safety system, shower seat (preventing the person from getting tired in the shower and falling), bed cane (offering support to those with unsteadiness getting in and out of bed), and ADL cuff (used with eating utensils for people with paralysis or hand weakness). Advances in this kind of technology offer increasing options for the elderly to continue functioning independently later into their lives.

Loneliness and Connection
A central aspect of positive aging is believed to be social connectedness and social support. As we get older, socioemotional selectivity theory suggests that our social support and friendships dwindle in number, but remain as close as, if not closer than, in our earlier years (Carstensen, 1992). Many older adults contend with feelings of loneliness as their loves ones, partners, or friends pass away or as their children or other family members move away and live their own lives. Loneliness and isolation can have detrimental effects on health and psychological well-being. However, many adults counteract loneliness by having active social lives, living in retirement communities, or participating in positive hobbies. Staying active and involved in life counteracts loneliness and helps increase feelings of self-esteem and self-worth.

Social relationships in old age: Research has shown that social support is important as we age, especially as loss and death become more common.

Erikson: Integrity vs. Despair
As people enter the final stages of life, they have what Erik Erikson described as a crisis over integrity versus despair. In other words, they review the events of their lives and try to come to terms with the mark (or lack thereof) that they have made on the world. People who believe they have had a positive impact on the world through their contributions live the end of life with a sense of integrity. Those who feel they have not measured up to certain standards—either their own or others’—develop a sense of despair.

Confronting Death
People perceive death, whether their own or that of others, based on the values of their culture. People in the United States tend to have strong resistance to the idea of their own death and strong emotional reactions of loss to the death of loved ones. Viewing death as a loss, as opposed to a natural or tranquil transition, is often considered normal in the United States. Elisabeth Kübler-Ross (1969), who worked with the founders of hospice care, described in her theory of grief the process of an individual accepting their own death. She proposed five stages of grief in what became known as the Kübler-Ross model: denial, anger, bargaining, depression, and acceptance.

Denial: People believe there must be some mistake. They pretend death isn’t happening, perhaps live life as if nothing is wrong, or even tell people things are fine. Underneath this facade, however, is a great deal of fear and other emotions.
Anger: After people start to realize death is imminent, they become angry. They believe life is unfair and usually blame others (such as a higher power or doctors) for the state of being they are experiencing.
Bargaining: Once anger subsides, fear sets in again. Now, however, people plead with life or a higher power to give them more time, to let them accomplish just one more goal, or for some other request.
Depression: The realization that death is near sets in, and people become extremely sad. They may isolate themselves, contemplate suicide, or otherwise refuse to live life. Motivation is gone and the will to live disappears.
Acceptance: People realize that all forms of life, including the self, come to an end, and they accept that life is ending. They make peace with others around them, and they make the most of the time they have remaining.
While most individuals experience these stages, not all people go through every stage. The stages are not necessarily linear, and may occur in different orders or reoccur throughout the grief process. Some psychologists believe that the more a dying person fights death, the more likely they are to remain stuck in the denial phase, making it difficult for the dying person to face death with dignity. However, other psychologists believe that not facing death until the very end is an adaptive coping mechanism for some people.

Whether due to illness or old age, not everyone facing death or the loss of a loved one experiences the negative emotions outlined in the Kübler-Ross model (Nolen-Hoeksema & Larson, 1999). For example, research suggests that people with religious or spiritual beliefs are better able to cope with death because of their belief in an afterlife and because of social support from religious or spiritual associations (Hood, Spilka, Hunsberger, & Corsuch, 1996; McIntosh, Silver, & Wortman, 1993; Paloutzian, 1996; Samarel, 1991; Wortman & Park, 2008).

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Posted in nursing by Clarissa