system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: What's the connection between memory loss and depression? What causes people with depression to completely loose their memories?
gpt
The hippocampus plays a part in memory and in people with depression it is smaller. Conveniently some antidepressant helps the structure and function of the hippocampus though it takes two weeks, the average amount of time it takes for antidepressants to take effect.