Optimizing Memory in the Adult Brain for Effectiveness in a Multitasking society

Law And Order Episode Guide - Optimizing Memory in the Adult Brain for Effectiveness in a Multitasking society

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Michelle walked into the kitchen, paused, and looked around. Just moments before, she knew that there was something she had to do in here. Now it thoroughly slipped her mind. She searched for clues, something to prompt her memory. She opened cabinets and drawers, fingered the cool marble countertop, mentally retraced her steps. What had she been mental about before she came in here? A mild anxiety crept over her. She shuddered to shake off the feeling that this was the beginning of the end. At 43 she feared she was beginning to lose her mind.

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Law And Order Episode Guide

For many people the first sign of aging is a "senior moment" like the one described above-a sudden, inexplicable lapse of memory. Forgetting names or appointments, misplacing car keys or reports, not knowing why they entered a room or opened a drawer leads hundreds of thousands of Americans in their 40s and 50s to enroll in memory training courses every year. Small wonder-for many people memory loss is closely related with more severe signs of senility, together with loss of control over physical functions, regression into infantile behavior, reversal of parent/child roles, and loss of mental competency. The specter of Alzheimer's disease looms large even in people who have no house history of the illness.

Research about Alzheimer's has lead to new insights into what it takes to vocalize a salutary brain or at least slow down the aging process. Prominent physical factors contain a diet rich in antioxidants and Vitamins A and E, regular exercise, enough sleep, and stress-free relaxation. It's also Prominent to stay socially active and mentally challenged.

Why then are the "baby boomers" (age 40+)-who are still actively engaged at work and in their communities, who identify the value of good nutrition and salutary life styles-crowding into classrooms to learn how to remember strings of numbers and never forget a face or name? More than easy vanity and the refusal to grow old, these high-functioning, high-energy participants identify the demands that our multitasking community of instant messages and global networks makes on them. Their refusal to be left behind and "put out to pasture" has lead to further studies on the effectiveness of training the adult brain to function better and remember more clearly.

Less than a generation ago, conventional wisdom advised people to "grow old gracefully," to accept that their bodies and minds would deteriorate at a predictable rate and in a predictable way. Subsequent studies have proven that regular rehearsal and allowable nutrition can slow down and sometimes even reverse some of the aging process. further studies by the National compose on Aging (Nia), part of the National compose of health (Nih), have demonstrated that adult brains may be just as resilient and adaptable as the rest of their bodies, given the essential resources and allowable training.

In an unprecedented two-year schedule animated 2,802 participants, reported in the Journal of the American healing relationship (November 13, 2002 issue), researchers examined the short- and long-term effects ten hours of training in concentration, memory, or problem solving had on healthy, independent seniors fluctuating in ages from 65 to 94. Randomly assigned to groups of approximately 700, participants were whether given no training (control group) or received definite education in one of the following: verbal episodic memory, capability to solve problems that result a pattern, or visual search and identification. Researchers prime definite memory, reasoning, and speed of processing programs because they related well to daily living tasks such as "telephone use, shopping, food preparation, housekeeping, laundry, transportation, medication use, and personal finances."

The memory group learned strategies for remembering lists of words and the main ideas and definite details in stories. The mental group focused on detecting patterns and using that information to solve problems. Such skills are useful for filling out order forms and reading schedules. The speed of processing group practiced locating and identifying visual information as related to looking up telephone numbers, reading directions on prescriptions, and responding to traffic signs and signals.

After receiving group definite training for two hours a week for five weeks, testing showed 26% correction in the memory group, 74% correction in the mental group, and 87% correction in the speed of processing group as compared to the no-training control group. Moreover, particularly with further "booster" sessions, the training effects prolonged to be maintained as demonstrated by testing done two years after the initial study-counteracting, as Dr. Karlene Ball of the University of Alabama at Birmingham said, "The degree of cognitive decline that we would expect to see over a 7- to 14-year period among older people without dementia." However, the training showed no essential result on the daily living tasks already performed by these independent seniors.

One might close that training which focuses on definite types of cognition-e.g. Memory, reasoning, concentration-can enhance efficiency even as we age, but does not make us significantly more effective. A surmise for these mixed results may be that the definite types of training prime emphasized tasks primarily performed by the frontal lobes of the brain. The frontal lobes make up 40% of the adult brain. It was the last part of the human brain to evolve and is the last part to mature. It is where we plan, organize, correct, control, and generate options. It is also the first part of the brain to shut down and deteriorate with physical and/or emotional stress caused by the demands of modern life.

The 74% correction in mental based on pattern detection and the 87% correction in the speed of processing that emphasized visual search and identification in the Nia study would not have surprised Ian Robertson, a professor of science of mind at Trinity College in Dublin, Ireland and the director of the compose of Neuroscience. He has written extensively about the brain's potential for reorganizing itself through attention. In opening the Mind's Eye: How Images and Language Teach Us How to See, he said "Precisely because imagery tends to be underused, it tends to be less habitual, less automatic-and hence, potentially at least, more flexible." The underused part of the brain being referred to is the parietal lobes where sensory input is integrated, analogies are constructed, eye-hand coordination guided, and attentiveness oriented. Although attentiveness is under the control of the frontal lobes, and is key to learning and remembering, the parietal lobes play a central role in directing attention, controlling gaze, and integrating the components of what is seen. In conjunction with the temporal lobes, they enable the recall of strings of numbers and visual and other non-verbal memories.

Parietal lobes are highly active in preschoolers, who think more visually than verbally. Formal education, with its focus on reading and writing, shifts the emphasis to language development. Unfortunately, this also tends to slow down the learning process and creative thinking. Studies show that combining words and pictures in our heads improves recall and understanding. Moreover, visual memories honestly survive longer with age than language-based memories. This may be due in part because brain performance drops in the frontal lobes when attentiveness is divided, as occurs when people multitask.

Of course, some people withhold strong visual skills throughout their school years. Many of them come to be artists, architects, or engineers. The people who shift strongly to verbalization are more likely to have careers in law, administration, or journalism. The good news is that visualization can be improved with institution at any age. A often quoted study on London cab drivers ( Proceedings of the National Academy of Science, April 11, 2000 issue) provides evidence that the intentional application of visual and spatial memory over an extended period of time may physically develop the hippocampus, a part of the cerebral cortex.

Cabbies are required to spend a minimum of two years learning the meandering geography of London and its landmarks. They then must pass a stringent test to prove they can vehicle passengers anywhere in the city, via the shortest route, without the use of street maps. Brain scans revealed that the more experienced cab drivers have significantly larger posterior hippocampuses than their less experienced colleagues. Although some have argued that people with unusually large hippocampuses may naturally drift toward cab driving, there is no evidence among cabbies in other cities with less demanding standards to withhold the claim. The London study was the first to demonstrate that the adult human brain could be substantially changed through experience.

Besides visual and spatial recall, the hippocampus plays an Prominent role in regulating the body's response to life-threatening emergencies. Persisting stress can lead to the loss of hippocampal neurons and the atrophying of dendrites that join together to other brain cells. Some of the post-traumatic stress disorders of war veterans, such as poor memory, are related to shrunken hippocampuses. But it has also been discovered that new brain cells can be produced in the hippocampus even in adults. The significance of this can be seen in how people in their 20s memorize when compared to people in their 70s. Brain scans revealed that, when asked to memorize lists of words, both age groups utilized the left frontal lobe, but younger people also employed the hippocampus, related with word-less memories. The young people, who were more used to taking tests, did something else as well that helped them remember better-according to Ian Robertson, they would "sort, shift, and categorize." It is a process that cognitive psychologist Fergus Craik of the University of Toronto calls "depth of encoding." When we actively process and compose information, we engage the frontal, temporal, and parietal lobes-thus strengthening the connections among them and improving recall.

Nasa wasn't specifically concerned in improving memory when it prime the Designs for Strong Minds™ (Dsm) training schedule in 1999. Rather, the group wanted to enhance laborer effectiveness under increasingly stressful conditions. It chose Dsm because it is the only essential mental course specifically designed to augment the brain functions of adults. It extensively utilizes illustrated puzzles to teach and relate varied ways of organizing information. Dsm puzzles apply the same methods artists have employed for centuries to trick viewers into manufacture assumptions about what they see and understand. But the puzzles are not merely visual illusions. To solve them the participant has to visualize the conditions that make some answers logical and others illogical. Nasa received overwhelmingly safe bet verbal comments from participants in the program. An unprecedented 90% said they would recommend Dsm to others, 83% wanted to see the schedule self-acting for computer access, and approximately all wanted further training.

When asked about the effects of Dsm, numerous participants reported that they learned the following:

• To consider perspectives and points of view other than their own
• To come to be more open-minded
• To think about alternative understandings
• To come to be more analytical
• To come to be more objective

A subsequent focus group comprised of Dsm alumni repeatedly emphasized how the training improved their intra-group transportation and cooperation skills. Nasa's assessment compose advisor fulfilled, that the benefits "stem from the emphasis on how varying perspectives lead to problem solving."

Research by cognitive neuroscientist Stanislas Dehaene of the National compose of health and healing investigate (Inserm) in Paris and cognitive psychologist Elizabeth Spelke of Massachusetts compose of Technology with regard to how human brains accomplish mathematics may recommend that there is more to the Dsm schedule than merely contributing to an intellectual insight of varying perspectives. Brain scans indicate that people use different parts of their brains when doing different types of math. Our left frontal lobe "lights up" when we make exact calculations, but our left and right parietal lobes are triggered when we make estimates and count on our fingers. Moreover, people who have mystery with numbers, a health known as "dyscalculia," are also apt to have problems conceptualizing time and direction. They tend to be chronically late, honestly disoriented in new environments, regularly make decisions based on intuition rather than logic, have mystery planning activities and keeping track of money. It is not a examine of intelligence or memory. people with dyscalculia can be highly vocalize and perfect writers and readers. The issue is the functional integration of the brain.

People who have mystery visualizing haven't learned how to see. investigate by Stephen Kosslyn of Harvard demonstrates that the same parts of the brain that are engaged when we intentionally look at something "light up" when we just imagine looking it. In other words, when we attentively look at something and try to settle its significance, we may also be improving our visual memories.

Memory enhancement is just the tip of the iceberg in terms of the capacity of the adult brain to learn. With institution the midpoint someone can memorize thorough lists of words and numbers that have limited practical value beyond impressing one's friends at parties. To be truly effective, memory has to be related to meaning and purpose. mental training that employs visualization is crucial in developing the agility to use the information we remember in effective ways. Because the modern world demands more of us, we should not settle for less than the optimal use of our brains.

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