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Decay theory has long been rejected as a mechanism of long term forgetting. [5] Now, its place in short term forgetting is being questioned. The simplicity of the theory works against it in that supporting evidence always leaves room for alternative explanations.
Therefore, forgetting happens as a result of automatic decay of the memory trace in brain. This theory states that the events between learning and recall have no effects on recall; the important factor that affects is the duration that the information has been retained.
Decay Theory is caused by time itself. Decay Theory is a passive method of forgetting as no interference is produced. [35] Interference Theory is an active process because the act of learning new information directly impedes the recollection of previously stored information.
The forgetting curve hypothesizes the decline of memory retention in time. This curve shows how information is lost over time when there is no attempt to retain it. [ 1 ] A related concept is the strength of memory that refers to the durability that memory traces in the brain .
This concept determines the impermanence of memory storage as an explanation for forgetting. [1] Decay theory posits that the process of forgetting is due to the inevitable fading of memory traces over time. [4] For this theory, the length of time that the information has been retained within memory stores is important.
The forgetting curve describes the exponential loss of information that one has learned. [7] The sharpest decline occurs in the first twenty minutes and the decay is significant through the first hour. The curve levels off after about one day. A typical representation of the forgetting curve
Decay Theory is caused by time itself. Decay Theory is a passive method of forgetting as no interference is produced. [23] Interference Theory is an active process because the act of learning new information directly impedes the recollection of previously stored information.
Motivated forgetting is a theorized psychological behavior in which people may forget unwanted memories, either consciously or unconsciously. [1] It is an example of a defence mechanism, since these are unconscious or conscious coping techniques used to reduce anxiety arising from unacceptable or potentially harmful impulses thus it can be a defence mechanism in some ways. [2]