The article discusses recent research on the relationship between remembering the past and imagining the future, highlighting the role of the default network in both processes. It emphasizes the importance of distinguishing between temporal and non-temporal factors in understanding these processes. While there are similarities between remembering and imagining, important differences have emerged, particularly in the neural mechanisms involved. Studies have shown that the default network, which includes regions such as the medial temporal lobe, posterior cingulate, and retrosplenial cortex, is involved in both processes. However, differences in activation patterns have been observed, with some regions showing greater activity during remembering than during imagining, and vice versa. The article also discusses the role of the hippocampus in memory-based simulations and how it differs from the role of the default network. Additionally, it highlights the importance of semantic memory in imagination and future thinking. The research suggests that the brain uses a combination of processes, including scene construction and self-projection, to support both remembering and imagining. The findings indicate that while there are similarities between the two processes, there are also important differences that need to be considered in future research. The article concludes that further studies are needed to fully understand the complex relationship between memory and imagination.The article discusses recent research on the relationship between remembering the past and imagining the future, highlighting the role of the default network in both processes. It emphasizes the importance of distinguishing between temporal and non-temporal factors in understanding these processes. While there are similarities between remembering and imagining, important differences have emerged, particularly in the neural mechanisms involved. Studies have shown that the default network, which includes regions such as the medial temporal lobe, posterior cingulate, and retrosplenial cortex, is involved in both processes. However, differences in activation patterns have been observed, with some regions showing greater activity during remembering than during imagining, and vice versa. The article also discusses the role of the hippocampus in memory-based simulations and how it differs from the role of the default network. Additionally, it highlights the importance of semantic memory in imagination and future thinking. The research suggests that the brain uses a combination of processes, including scene construction and self-projection, to support both remembering and imagining. The findings indicate that while there are similarities between the two processes, there are also important differences that need to be considered in future research. The article concludes that further studies are needed to fully understand the complex relationship between memory and imagination.