Which neural center processes explicit memories for storage?

• A. Hippocampus
• B. Amygdala
• C. Basal ganglia
• D. Thalamus

Answer: (A)

Explicit (declarative) memories—things you can consciously recall like facts and events—are formed and indexed by the hippocampus. It helps encode new information, bind details (what happened, where, when), and create a coherent memory trace that you can later retrieve. Over time, memories are gradually transferred to widespread cortical areas for long-term storage, while the hippocampus remains important for initial retrieval cues and reactivation of the memory during recall. When the hippocampus is damaged, people often can’t form new explicit memories, which underscores its central role in this type of memory.

The amygdala mainly modulates the emotional significance of memories, which can affect how strongly they’re encoded but isn’t the primary storage site for explicit memories. The basal ganglia are more engaged with procedural memory—skills and habits—rather than explicit facts and events. The thalamus serves as a relay, not the primary storage site for explicit memory formation.