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Memory changes unevenly across adulthood: abilities involving rapid processing and new learning tend to decline, while accumulated knowledge is often preserved. The article reviews age-related differences in perception, encoding, retrieval, source monitoring, and eyewitness identification, emphasizing that age alone does not determine whether a particular account is accurate.
Memory involves encoding information, storing it, and retrieving it later. The article outlines these three stages, describes distinctions between short- and long-term memory, and reviews limits of laboratory memory research, including questions about whether findings from artificial tasks generalize to everyday situations.
Emotion can strengthen memory for some central details while weakening memory for other information, so vividness does not establish accuracy. The article reviews findings on emotional arousal, weapon focus, and intense stress, and explains that traumatic memories remain subject to ordinary processes of reconstruction rather than being uniquely reliable or uniquely unreliable.
