engram

American  

[en-gram] / ˈɛn græm /

noun

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

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engram British  

/ ˈɛnɡræm /

noun

1. psychol the physical basis of an individual memory in the brain See also memory trace

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Other Word Forms

• engrammic
  adjective

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Etymology

Origin of engram

First recorded in 1905–10; en- ² + -gram ¹

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Example Sentences

See Examples For:

engram

When disease associated forms of tau were present in engram cells during learning, they disrupted the creation of new memories.

From Science Daily ● Jul. 12, 2026

An engram can be viewed as a sparse ensemble of neurons across multiple regions in the brain that fire together.

From Science Daily ● Oct. 8, 2025

"We wanted to know: What is happening during this consolidation process? What happens between the time that an engram is formed and when you need to recall that memory later?"

From Science Daily ● Jan. 19, 2024

In the minutes and hours that immediately follow an experience, he explains, the brain needs to consolidate the engram to store it.

From Science Daily ● Jan. 19, 2024

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

From The Analysis of Mind by Bertrand Russell

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