Damage to the hippocampus does not affect some types of memory, such as the ability to learn new skills (playing a musical instrument or solving certain types of puzzles, for example). This fact suggests that such abilities depend on different types of memory (procedural memory) and different brain regions.
How To Bet On Volatility Rising. The most popular measure of options prices is the average implied volatility of puts and calls of the S&P 500 tracking stock (SPY). (Only monthly options are included in this measure, and the increasingly-popular Weekly options are excluded, a serious mistake in my opinion.).
If you know, for example, that the dollar is going to increase in value, you buy dollars right now, wait for the currency to rise in value and then sell your dollars for another currency later at a higher price. This is essentially how things work on the Forex market.