According to Decay theory when we learn something new, a neurochemical memory trace forms, but over time this trace disintegrates.
According to the Decay theory, memory deterioration is a natural consequence of time passing alone. As time goes on and memory and memory strength deteriorate, information becomes less accessible for subsequent recall. [1] A neurochemical "memory trace" is made when someone learns something new. But as time passes, this trace gradually disappears. Actively practicing new material is thought to be a key element in preventing this temporal decrease. [2] Despite the widespread belief that neurons inevitably die off as we age, some older memories can be more powerful than the majority of more recent ones. As a result, the short-term memory system is primarily affected by the decay theory, which means that older memories (in long-term memory) are frequently more resilient to shocks or other physical attacks on the brain. In addition,
What kind of neurochemicals have a role in memory?
Acetylcholine (ACh), glutamate, -amino-butyric acid (GABA), and catecholamines are among the neurotransmitters that have been studied in a number of memory models. There is strong evidence that these variations in extracellular levels are correlated with changes in neuronal activity during memory formation.
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