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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

How neurons become part of a memory engram remained a mystery until recently.

Today, neuroscientists can manipulate memory engrams by artificially activating their underlying networks and inserting new information.

With this technology, which was pioneered by researchers at Stanford almost two decades ago, neuroscientists can artificially activate memory engram cells in lab animals.

An engram is stored within a network of connected neurons, and neurons holding the engram can be made to glow so that they are visible through special microscopes.

Right after the memory formed, there weren’t huge differences in how the engram cells expressed their genes.

Semon's "engram" is formed by all that we experience at one time.

Similarly, the engram of the ecphoriated dichotomy is most often that which has been previously most often repeated.

Thus the tactile engram will be ecphoriated by the repetition of the original associated irritation.

As we have indicated in our comparison, every suggestion which has succeeded leaves a strong trace, or engram, in the brain.

These two laws together represent in part a hypothesis (the engram), and in part an observable fact.

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