"life is all memory except for the present moment that passes so quickly we can hardly catch it going by" - tennesee williams: williams --> more romantic type of definition. "memory involves a group of processes by which experience shapes us, changing our brains + our beh" - neal j. cohen, 2004: cohen --> more scientific. Distinguishing mem: most broad way: explicit vs implicit memory, explicit/declarative, conscious, intentional recall of prior experience, declare the memory, divided into: Search memory bank + actively try to recall and remember it: episodic. Involves you: recall things that happen to you, you were apart of, autobiographical episodes/specific events, carry content of experience. Spatial + temporal context in which the event took place (what, where, when: allows event to be rex-experienced, mental time-travel, take self into time of when happenend. Impaired after hippocampal damage: can"t put self into spatial + temporal context.