psychology of identity
body theory
that we are because we exist in same body from birth to death, but every cell gets replaced many times throughout a lifetime, so physically we are technically not in the same body
memory theory
persists because retain memories after sleeping each day, remembering who we were the day before. Chain of memory, maintain memory link to the person you were at a certain day, stop being who ou are if you lose memory? amnesia, false memory
How you make your choices in life, how other people view you, what obligations do you have for your self or to particular people
identity based on relationship to other people, daughter, mother, mentor, etc; or personal interests, seems fixed or stable. There is no David hume, concept of self is an illusion, no self persists over time, personal responsibility?
Same set of propoerties, but always changing so how to maintain same identity from one moment to the next?
the "self" is just bundle of impressions, consisting of a zillion different things, emotions, mind, body, memories, preferences, labels imposed by others.. The self is short hand for all of the different things that are held together,but theres no single thing that holds it all together.Just ever changing bundles of impressions that our minds are fooled into thinking of as constant because theyre packaged in these receptacles that basically look the same from day to day, the change is slow, and slow changes are hard to see at any given moment unless looked at very different moments of time.
Derrick parfet derek parfit
psychological connectedness, chainmail, chains intersect, new links being created, earlier chains start to disappear as you lose interest or association with that link, every experience changes us even just a little
Survival - the baby you has not survived, but some of the last year you has a little, to varying degrees
Catching up with friends are recounting the changes and what makes you different now, and if changes are big enough, they are strangers
Promises, obligations correspond to the degree of connection to the person who made the promise