Which of the following functions is primarily associated with the hippocampus?
A Long-term memory consolidation
B Coordination of voluntary motor activity
C Regulation of circadian rhythms
D Processing of visual spatial information
Solution
Correct Answer: Option A
- The hippocampus plays a critical role in long-term memory consolidation, which is the process of stabilizing a memory trace after its initial acquisition.
- It is essential for converting short-term memories into long-term memories, especially those related to facts and events (declarative memory).
- The hippocampus is not directly involved in the coordination of voluntary motor activity, which is primarily managed by the cerebellum and motor cortex.
- Similarly, the regulation of circadian rhythms is mainly governed by the suprachiasmatic nucleus of the hypothalamus, not the hippocampus.
- Although the hippocampus does contribute to aspects of processing visual spatial information, this function is part of a broader network involving the parietal lobe and other cortical areas.
- The primary and most well-established function of the hippocampus remains its role in the formation and consolidation of long-term memories.
Reference: Principles of Neural Science, 5th Edition, Chapter 33: Memory and the Hippocampus / Page 799-810