why our brains can form arbitrary memories from seemingly random events and recall them perfectly but its hard to memorize something when you are intentionally trying to memorize it?

Question

why our brains can form arbitrary memories from seemingly random events and recall them perfectly but its hard to memorize something when you are intentionally trying to memorize it?

In: Biology

Answer 1

Evolution made our brains to function as a survival tool. Therefore we tend to remember things that are attached to our emotions. This allowed early humans to remember the dangers of their environment, remember which plants are poisonous and which ones are healthy etc.

Edit: typos