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There are a lot of myths and entrenched assumptions about the evolution of memory capacity as you get older.  A lot of text on the subject very deficiently distinguishes between the healthy older brain and so the first signs that a medical condition is developing in the brains of a minority of senior citizens.

It’s good to remind yourself – when working with senior citizens and trying to eliminate the benefits you have on the ageing process and on the ageing process.

  1. The oldest PhD student in Denmark is 84 years old and you can probably find someone who is older in other countries. Nevertheless, it is important to remember these individuals when talking about memory, the ability to learn and the elderly.
  2. For example, it may be good to remind yourself how often you have sat and told your spouse something exact that the spouse 2 hours later refuses to have heard before.

Not remembering what others have told you is not a phenomenon that only occurs after 60 or 65 years.

This is an important starting point when you read the following input.

 

The brain ages faster in retirement by Kasper Jørgensen.

Withdrawal from the labour market is accompanied by a deterioration in memory and concentration capacity of just under 10 per cent. The brain is aging faster than otherwise, so to speak. The accelerated mental ageing is similar to the fact that the brain has already matured 12 to 16 months after work has become about 3 years older.

The troubling findings stem from a research project that examined episodic memory and working memory in nearly 15,000 Americans ages 51 to 75 between 1998 and 2008.

As expected, a gradual slight weakening of cognitive performance levels was saw with age.

But the impairment was not evenly distributed among the age groups. From the age of 62 to 63, an abrupt dip in cognitive function was found, similar to the fact that participants acted as if they had grown about three years older in just one to one and a half years. In the other age groups – from 51 to 62 and from 63 years onwards – developments were steady, albeit with a slightly faster decline in the highest age groups.

 

Use it or loose it

At the same time, 62 years was the preferred retirement age among the participants. Since there is no plausible biological explanation for the fact that mental abilities should be weakened particularly rapidly around the age of 63, it is obvious to see the accelerated mental impairment as an unintended result of enjoying retirement. The researchers behind the study reject the possibility of ‘reverse causality’ – that is, accelerated mental impairment is a cause of retirement rather than the opposite – since the retirement age is primarily determined by legislation and financial incentives. Instead, they refer to the use it or loose it hypothesis that mental skills tend to decay over time if they are not exploited. The demonstrated delay of 12-16 months from retirement to a decrease in cognitive function levels can be measured is probably due to the fact that the processes in the brain that support memory have some robustness to changes in living conditions. The researchers also point out that for many, the first year after retirement is a kind of ‘honeymoon’, where they embark on activities that they have not otherwise had time to grow.

 

Also decrease in working memory

According to the results, the decrease in cognitive function levels is temporary, as memory and control functions appear to stabilize in the longer term. In other words, it cannot be expected that any postponement of the retirement age will have a significant impact on the long-term cognitive function of the elderly. 12/08/2021 The brain ages faster in retirement The study focuses on episodic memory (short-term memory) as a primary measure of mental age, with previous research showing that episodic memory weakens smoothly, albeit slowly, with increasing age. But the researchers’ analyses of working memory show the same pattern: performance levels plummet around age 63.

Facts about the study

Created: December 8, 2014

The data comes from the Health and Retirement Study, a course study of 50+ year old in the United States. 14,710 people working at the beginning of the observation period were included in the study.

Data were collected between 1998 and 2008 and consist of 54,377 observations, corresponding to each participant being tested approximately 3.7 times.

Episodic memory was measured using a glossary test (learning 10 words with immediate and delayed recall).

Working memory (concentration, mental control) was measured with the 100 minus 7 test (serial subtraction). The study was conducted by an economist from Maastricht University.

Source: https://videnscenterfordemens.dk/da/pdf/node/785

with reference to https://pubmed.ncbi.nlm.nih.gov/22538324/

Different kind of Memory

Normal aging is associated with a decrease in different memory abilities in many cognitive tasks; the phenomenon is known as age-related memory inhibition (AMI) or age-related memory impairment (AAMI).

The ability to code new memories of events or facts and working memory  shows decreases in both cross-sectional and longitudinal research.

Studies comparing the effects of aging on episodic memory,  semantic memory,  short-term memory  and  priming show that episodic memory is impaired in particular by normal aging; some types of short-term memory are also impaired.

The deficits may be related to impairments seen in the ability to update newly processed information.

Source information is a type of episodic memory that suffers with old age; this kind of knowledge includes where and when the person learned the information. Knowing the source and connection with information can be extremely important in daily decision-making, so this is a way in which memory loss can affect the lives of the elderly. Therefore, dependence on political stereotypes is a way of using their knowledge of the sources when assessing and the use of metacognitive knowledge takes on importance. This deficit may be related to decreases in the ability to bind information together in memory during coding and retrieve these associations at a later date.

Over the many years of studying the development of aging and memory, it has been difficult to distinguish between an accurate relationship between the two.

Many studies have tested psychological theories over the years, and they have found solid evidence that supports older adults who find it harder to remember contextual information, while the more familiar or automatic information typically remains well preserved through the aging process (Light, 2000). There is also an increase in irrelevant information in age, which can lead to an older person believing in false information as they are often in a state of confusion.

Episodic memory is supported by networks spanning frontal, temporal, and parietal patches. The interconnections in the patches are supposed to allow for different aspects of memory, whereas the effects of gray matter lesions have been thoroughly studied, less known about the interconnected fiber channels. In ageing, degradation of white matter structure has emerged as an important general factor, further focusing attention on the critical compounds with white matter.

The years of education a person has had and the amount of attention they have received as a child can be a variable closely linked to the aging and memory connections.

In particular, associative learning is another type of episodic memory, is vulnerable to the aging effects, and this has been demonstrated across different study paradigms.

This has been explained by the Associative Deficit Hypothesis (ADH), which says that aging is associated with a lack of creation and retrieval of connections between individual information units. This may include knowledge of context, events, or topics. The ability to tie pieces of information together with their episodic context in a coherent whole has been reduced in the older population.

In addition, the ideas of older adults involved in free recall temporal context to a lesser extent than for younger people, indicating that associations regarding association become weaker with age.

Several reasons have been speculated as to why older adults use less effective coding and retrieval strategies as they get older. The first is the “non-use” prospect, which says memory strategies are used less by older adults as they move further away from the education system. Secondly, the hypothesis of “diminished attention capacity”, which means that older people engage less in self-initiated coding due to reduced attention capacity. The third reason is the “self-efficiency of memory”, which indicates that older people do not trust their own memory performance, which leads to bad consequences.

One phenomenon, known as “Senior Moments,” is a memory deficit that appears to have a biological cause. When an older adult is interrupted when a task is completed, it is likely that the original task at hand can be forgotten. Studies have shown that the brain of an older adult does not have the ability to re-engage after a breakup and continues to focus on the particular disconnection as opposed to that of a younger brain. This inability to multi-task is normal with ageing and is expected to become more evident with the increase in older generations remaining in the field of work.

A biological explanation for memory deficits in aging includes a postmortem study of five brains in older people with better memory than average. These people are called “super age”, and it was found that these individuals had fewer fiber-like tangles of tau protein than in typical older brains. However, a similar amount of amyloid plaque was found.

Recent research has expanded established findings of age-related decline in management function, by examining related cognitive processes underlying the sequential performance of healthy older adults. Sequential performance refers to the performance of a number of steps necessary to complete a routine, such as the steps required to make a cup of coffee or drive a car. An important part of healthy aging involves the use of memory by older adults and inhibitory processes to perform daily activities in a fixed order, without forgetting the sequence of steps that had just ended while remembering the next step of the sequence. A 2009 study examined how adolescents and older adults differ in the underlying representation of a range of tasks and their effectiveness in retrieving the information needed to complete their routine. Results from this study revealed that when older and young adults had to remember a sequence of eight animal images arranged in a fixed order, both age groups spontaneously used the organizational strategy to clump themselves to facilitate the retrieval of information. However, older adults were slower by accessing each piece compared to younger adults and were better able to take advantage of the use of memory aids, such as oral exercise to remember the sequence. Results from this study suggest that there are age differences in memory and inhibitory processes that affect people’s course of action, and the use of memory aids can facilitate the retrieval of information in older age.

Conclusion.

 

It is a good idea to start from the point of view of senior students remembering what you want to tell and teach them.

Some older students will probably have challenges concentrating and listening if the speakers get too long because they are not trained and accustomed to receiving teaching and a lot of information. But there are also much younger students who have challenges with that. As a teacher, this factor must be considered in the planning of the time devoted to the dissemination and learning of the various tasks.