Which region contributes to the creation of new memories?

The dentate gyrus plays a crucial role in the formation of new memories as part of the hippocampal formation, which is essential for the process of memory consolidation. This region is involved in the generation of neurogenesis, where new neurons are continuously produced, especially in response to learning and environmental stimuli. The dentate gyrus helps to encode and retrieve memories by processing information from the entorhinal cortex before passing it to other parts of the hippocampus, ultimately contributing to the transformation of short-term memories into long-term ones. This transformation is vital for learning and memory retention, underscoring the importance of the dentate gyrus in the overall memory creation process.

In contrast, the other options, such as the angular gyrus, corpus callosum, and thalamus, have different functions related to integration, communication between hemispheres, and processing sensory information, but they do not primarily contribute to the generation of new memories like the dentate gyrus does.