memory trace

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memory engram

or memory trace
n.
An engram.

memory trace

n
(Psychology) psychol the hypothetical structural alteration in brain cells following learning. See also engram

en•gram

(ˈɛn græm)

n.
a presumed encoding in neural tissue that provides a physical basis for the persistence of memory; a memory trace.
[1905–10; en-1 + -gram1]
en•gram′mic, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.memory trace - a postulated biochemical change (presumably in neural tissue) that represents a memorymemory trace - a postulated biochemical change (presumably in neural tissue) that represents a memory
memory - something that is remembered; "search as he would, the memory was lost"