Once a memory is created it must be stored (no matter how briefly). Many experts think there are three ways we store memories: first in the sensory stage; then in short-term memory; and ultimately, for some memories, in long-term memory. Because there is no need for us to maintain everything in our brain, the different stages of human memory function as a sort of filter that helps to protect us from the flood of information that we're confronted with on a daily basis.
The creation of a memory begins with its perception: The registration of information during perception occurs in the brief sensory stage that usually lasts only fraction of a second. It's your sensory memory that allows a perception such as a visual pattern, sound, or a touch to linger for a brief moment after the stimulation is over.
After the first flicker, the sensation is stored in short-term memory. Short-term memory has a fairly limited capacity; it can hold about seven items for no more than 20 or 30 seconds at a time.
Important Information is gradually transferred from short-term memory to long-term memory. The more the information is repeated or used the more likely to eventually end up in long-term memory, or to be “retained”. Unlike sensory and short-term memory, which are limited and decay rapidly, long-term memory can store unlimited amounts of information indefinitely.
People tend to more easily store material on subjects that they already know something about, since the information has more meaning to them and can be mentally connected to related information that is already stored in their long-term memory. That's why someone who has an average memory may be able to remember a greater depth of information about one particular subject.
The text is about ...
how human brain works
how the long-term memory occurs
how to protect our memory from being lost
how to store information in our memory
how to maintain everything in our brain
Berdasarkan kalimat yang terdapat pada kalimat pertama dan ke-2 di paragraf pertama 'there are three ways we store memories', dapat diketahui bahwa pokok bahasan dalam teks tersebut adalah bagaimana cara menyimpan memori di dalam otak sehingga pilihan jawaban (D) adalah yang paling tepat.
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