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

Derived Forms

• engrammic
  adjective

Etymology

Origin of engram

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

Example Sentences

They also conducted experiments that allowed a single engram cell to be tracked across experiences and time.

From Science Daily • Jan. 19, 2024

The team's initial computational studies had predicted that the number of engram cells involved in a single memory would decrease over time, and the animal experiments bore that out.

From Science Daily • Jan. 19, 2024

This study provides direct evidence for changes in synaptic wiring connectivity between engram cells to be considered as a likely mechanism for memory storage in the brain.

From Science Daily • Nov. 21, 2023

In other words, you need activity in engram cells for forgetting to occur.

From Scientific American • Sep. 15, 2023

Homophony.—The terms engram and ecphoria correspond to the well-known introspective phenomena in psychology of memory and the association of ideas.

From The Sexual Question A Scientific, psychological, hygienic and sociological study by Forel, Auguste