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Searching for Memory: The Brain, the Mind, and the Past Searching for Memory: The Brain, the Mind, and the Past by Daniel L. Schacter
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“... [O]ne of the most influential approaches to thinking about memory in recent years, known as connectionism, has abandoned the idea that a memory is an activated picture of a past event. Connectionist or neural network models are based on the principle that the brain stores engrams by increasing the strength of connections between different neurons that participate in encoding an experience. When we encode an experience, connections between active neurons become stronger, and this specific pattern of brain activity constitutes the engram. Later, as we try to remember the experience, a retrieval cue will induce another pattern of activity in the brain. If this pattern is similar enough to a previously encoded pattern, remembering will occur. The "memory" in a neural network model is not simply an activated engram, however. It is a unique pattern that emerges from the pooled contributions of the cue and the engram. A neural network combines information in the present environment with patterns that have been stored in the past, and the resulting mixture of the two is what the network remembers... When we remember, we complete a pattern with the best match available in memory; we do not shine a spotlight on a stored picture.”
Daniel L. Schacter, Searching for Memory: The Brain, the Mind, and the Past
“Thus, the "memories" that people reported contained little information about the event they were trying to recall (the speaker's tone of voice) but were greatly influenced by the properties of the retrieval cue that we gave them (the positive or negative facial expression).”
Daniel L. Schacter, Searching for Memory: The Brain, the Mind, and the Past
“The unfolding drama of life is revealed more by the telling than by the actual events told. Stories are not merely “chronicles,” like a secretary’s minutes of a meeting, written to report exactly what transpired and at what time. Stories are less about facts and more about meanings. In the subjective and embellished telling of the past, the past is constructed—history is made.35”
Daniel L. Schacter, Searching For Memory: The Brain, The Mind, And The Past
“Curiously, however, Neil performed reasonably well at school, especially in English and mathematics. The psychologists who tested his memory wondered how he managed to do so well. To find out, they asked him some questions about an audiotaped book he had been studying, Cider with Rosie, by Laurie Lee. He remembered nothing. Noting Neil’s frustration, and realizing that his class performance was based on written responses, the examiner asked Neil to write down his answers, beginning with anything that he could recall from the book. After a while he wrote: “Bloodshot Geranium windows Cider with Rosie Dranium smell of damp pepper and mushroom-growth.” “What have I written?” he then asked, unable to read his own handwriting but able to speak normally. The examiner, who was familiar with the book, immediately recognized that the phrases came directly from its pages.”
Daniel L. Schacter, Searching For Memory: The Brain, The Mind, And The Past