Brain Training is a series of regular physical activities purporting to keep or improve one's mental skills. The term, scientifically, is used to describe elements of fluid intelligence like logical reasoning and memory. Most people use it interchangeably with brain fitness, which, of course, is intended to improve one's mental performance and intellect. Brain Training was first used by Allen Carr as part of his famous self-help program. In this book, the first volume in the series, Brain Training, Carr stresses the importance of having a regular routine of physical activities that engage both the nervous system and the brain.

A large number of people who want to build up their mental faculties can benefit from this brain training. These activities may include playing Sudoku, boggle, crossword puzzles, chess, Mental math, and the game of Mental arithmetic. Many of these games are available online. Sudoku is played on an online site where the player competes against a computer. There are also variations of Sudoku, such as the Japanese game "Hengeki" and the Korean game "Igo," both of which are now available for download from several websites.

Another type of Sudoku, which is played online, is called Freesudoku. It is an advanced version of Sudoku, where the player has to enter random numbers into the spaces given and try to clear all the circles. The player can make use of different neuronations to increase his chances of winning. The challenge in this game is to manipulate the array of neurons correctly so that it matches the arrangement of the nine circles on the traditional Sudoku grid. Freesudoku is played by people from all walks of life and by all ages.

As mentioned earlier, another popular brain exercise is the game of crossword puzzles. It is known that crosswords have the ability to stimulate both sides of the brain, which is what most experts believe is the reason why people have better memory and higher IQs than other people. This is also why Sudoku is so popular: it allows you to improve your skills in the area of logic and memory by practicing and mastering word matching.

Neurotomy is the use of surgical tools or techniques to change or enhance something in nature, for example, the brain. Neuroimaging studies have found that when an object is placed in front of a person, the images that the person sees through the lens of the eye respond more quickly to the objects that are near or far away, than images that are seen through the unaided eyes. In addition, the strength of the visual field (the horizontal and vertical lines) can also be changed by neuroimaging. Thus, scientists believe that the changes in the visual cortex are responsible for the changes in behavior. It also explains why people tend to remember things better if they see them first.

Neuroplasticity can also be seen in older adults. While the majority of older adults have good long-term memory, there are a small percentage of older adults who have difficulty with even their most simple tasks, such as remembering what day it is or remembering how to perform a particular motion. Neuroplasticity in the brain has been demonstrated in older adults who have undergone neuroplasticity training. As people age, their neural systems begin to change, and many of these changes cause the brain to function in a slightly different way than it did when the person was younger.

Although the brain's plasticity is an integral part of our brains, we don't really understand how the plasticity works. What we do know is that different areas of the brain respond to different types of stimuli, which is why Sudoku is effective at stimulating all of the executive functions mentioned above. Because of this, the brain-training programs that provide Sudoku games are better suited to individuals who want to improve their cognitive function while engaging the visual and auditory portions of their brain simultaneously. The science behind how Sudoku works is not fully understood. What is known is that Sudoku offers something that other brain-training programs do not: an activity that can stimulate the different portions of the brain simultaneously, increasing its effectiveness for improving cognitive function.

The other benefit of Sudoku is that it can improve a person's memory in a very natural way. As previously mentioned, different parts of the brain respond to different types of stimuli, allowing a person to memorize more if he plays a game that requires his or her cognitive function to be on the forefront. Sudoku is an example of a memory game that utilizes the multiple-focus technique, which means that the player is required to pay attention to every detail in the game, rather than focusing on just one thing at a time. By paying attention to every detail, the player will be able to retain the information better, making it easier for him or her to forget the information that was previously recalled. Because of this, Sudoku can help you improve your cognitive function while simultaneously maintaining a healthy memory.