Human memory can change over time

Human memory can change over time, and there are various factors that can influence this process. Short-term memories can last seconds to hours, while long-term memories can last for years [1]. Studies have shown that time cells in the hippocampus, a key memory processing center in the brain, switch on as events unfold, providing a record of the flow of time in an individual's memories [2].

One theory suggests that memories are transformed each time we revisit them, and as such, memories are first encoded by the coordinated activity of neurons in the brain. However, memories can change spontaneously over time as a product of how, when, and why we access them [3][4].

Additionally, research has shown that memory can be improved when neurons fire in youthful surroundings and that memories can be rewritten when they are remembered [5].

In summary, human memory can change with time and can be influenced by various factors such as how, when, and why we access memories, as well as the environment in which memories are recalled. Understanding these processes can help us better understand how memory works and how it can be manipulated.

Furthermore, it's important to note that memory changes are not always accurate, and false memories can be created. This can occur through suggestion, misinformation, and even imagination. Studies have shown that simply rehearsing a memory can alter it, making it less accurate over time [4].

However, memory changes can also be positive. For example, exposure to novel and stimulating environments can enhance memory function and improve cognitive abilities. This is known as the environmental enrichment effect [1].

Moreover, understanding how memory changes over time can have practical implications, such as in eyewitness testimony in legal cases. It's crucial to be aware of the potential for memory distortions and the impact that various factors can have on memory accuracy. This can help ensure that legal proceedings are fair and just [4].

In conclusion, human memory is complex and can change over time, influenced by various factors such as access to memories, the environment in which memories are recalled, and the passage of time itself. Understanding these processes can help us better understand how memory works and how to improve its accuracy.