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engram

[ en-gram ]

noun

  1. a presumed encoding in neural tissue that provides a physical basis for the persistence of memory; a memory trace.


engram

/ ˈɛnɡræm /

noun

  1. psychol the physical basis of an individual memory in the brain See also memory trace
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • enˈgrammic, adjective
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Other Words From

  • en·grammic adjective
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Word History and Origins

Origin of engram1

First recorded in 1905–10; en- 2 + -gram 1
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Word History and Origins

Origin of engram1

C20: from German Engramm, from Greek en- in + gramma letter
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Example Sentences

Specific memories are encoded by groups of neurons called engrams.

Usually, engrams are made up of a sparse number of neurons, but the stress-induced memory engrams involved significantly more neurons.

The research focuses on engrams, which are neuronal cells in the brain that store memory information.

The researchers were able to reverse the amnesia to allow the mice to remember the lost memory using lasers to activate the engram cells.

In doing so, they identified a molecular mechanism mediated by a specific protein located in the synapse that is involved in regulating the connectivity between engram cells.

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