How much does one's memory affect your personality?
The premise that we are more than our memories is very interesting. Although there is a conflict in the research groups ultimate aim of ridding the shackles of a stressful history and in this case all of the past in order to free the real person inside. The drive to discover the past is something most people would want to do in this situation. The main protagonist proves this by repeatedly searching himself out, even in the last few scenes. However, by altering behavioural patterns to prevent this innate wish effectively changes that baseline personality. Wouldn't this be in conflict with the initial aim of discovering the real person we are inside without our past to guide us?
Of course, we use our past to guide us in every decision we make and we evolve our personalities tremendously throughout the years. Have you ever hooked up with an old friend from the past to discover that you have nothing in common any more and you decide that hooking up was a bad idea? Obviously, the person you remember isn't the same now as they were either, you both have changed. It would be really interesting to see if you'd get along better without the memory of who you used to be and who you now are. The conversation would certainly be interesting to say the least. You couldn't talk about your interests since you had none. You'd both be witnessing the world and each other through fresh eyes. If you weren't driven to discover your past I suspect you'd just revert back into a more childlike self discovery and rediscover the common interests along the way just like you did when you first met.
I really liked some of the small points in this movie, every time he tried to sip a drink of wine he had a terrible reaction and just didn't like wine. In those who have suffered brain damage and are no longer able to create new memories, they are still able to cause an affect on their behaviour by repetition and in some cases are able to remember things. Somehow they are able to train their subconscious mind and thereby affect their future actions just by repeating the same thing over and over, even if they don't remember doing so. It is this role of the subconscious mind that made him reject the wine. Just liked that little detail.