Students tend to forget what they have learned due to this following reasons.
- Too much of talking (irrelevant talk)
- Failure to teach others what you have learnt or read.
This are other reasons :
1. Inadequate attention to what you wish to remember
The first cause of forgetfulness is lack of proper attention to what we wish to remember. The result is that the experience does not make a strong enough impression on us.
We forget because we do not pay sufficient attention to what we want to remember in order to imprint it firmly on our mind. A good memory therefore depends upon attention to what is to be remembered. Since one cannot attend to more than one thing at a time, give your full attention to what you wish to remember.
2. Lack of revision or rehearsal
It is normal to forget most of what is learned within a few days after learning it unless it is constantly revised to keep it fresh in mind.
Much of what we learn is forgotten almost as soon as we have learnt it. The little that remains after that is forgotten more gradually. Research has proven that after one hour, 56 percent of the material which we have read such as the one you are reading right now will be forgotten, but after nine hours, only a further 8% will have been forgotten; after two days, only a further 6 percent and only a further 7 percent after as long as one month. In other words, about 70 percent of the amount which was forgotten in the first month was forgotten in the first hour of the month.
3. Interference of other activities during or just after study time
Research has shown that other activities we pursue after learning something interfere with our ability to retain and remember it later. In other words, we forget something we’ve learnt because we learnt other things subsequently. How much you will forget actually depends on how similar the interfering activity is with what is being learnt. Interference is most helpful when the interfering materials or activities are very similar to the material being read.
Another way interference occurs is when what has happened previously interferes with what is happening now. Work which precedes learning also tends to interfere with the retention of the learned material. What happened before our study time could cause us to forget what we’ve read as well as what happened afterwards.
4. Repression of what is being learnt for some reasons
Repression is the act of controlling strong emotions and desires and not allowing them to be expressed so that they no longer seem to exist. It occurs in the context of forgetting what we’ve read when we prevent ourselves from becoming aware of some tendency active in our mind which opposes the desire to recall by a strong resistance or wish not to recall.
Oftentimes, we more easily forget a memory which conflicts with our comfort or self esteem than one which does not. This is why what is repressed may not be unpleasant in itself but may have been associated with something else which is unpleasant. For example, it easier to forget what your lecturer said in that “seemly unending” class than it is to forget your first trip to Dubai.
5. Wrong Nutrition or Diet
It has been discovered that the kind of food we eat plays an important role in our memory. Research has proven that people suffer physically and mentally because of two things: the food they eat and the food they refuse to eat.
Eating foods such as highly seasoned dishes, much meat, salt and stale food affect our brains. Certain items like cigarettes, alcohol, and caffeine also negatively affect our brain. These foods and items are part of a bad nutritional diet because they hamper the blood and energy circulation in the body and mind.
6. Lack of good rest and adequate sleep
For most students, one of the most neglected areas of their lives is sleep. Are you so busy studying or working that you are not getting all the sleep that your body needs? Most adults need about 7 to 8 consecutive hours of sleep each night; children and adolescents need quite a bit more. If you aren’t getting enough quality sleep, your memory is one of the first parts to suffer.
You need sleep to create important memory links and connections. When you first learn something, that information is fragile; the imprint on your brain is very delicate. When you sleep, your brain reviews that information and forges stronger pathways so it becomes a more solid part of your knowledge base. In other words, if you don’t get enough sleep, you will have memory trouble. If you have been sleep deprived, then getting enough sleep is one of the easiest and fastest ways to improve your memory.
What other reasons do you think cause us to forget what we read? Kindly leave your reply in the comments box below.
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