engram
(en′gram′)
noun
- Biol. a hypothetical permanent change produced by a stimulus in the protoplasm of a tissue
- Psychol. a permanent effect produced in the psyche by stimulation, assumed in explaining persistence of memory
Origin:
en- + -gram
See engram in American Heritage Dictionary 4
noun A physical alteration thought to occur in living neural tissue in response to stimuli, posited as an explanation for memory.
Origin:
Origin: German Engramm
Origin: : en-2
Origin: + Greek -gramma, -gram
.
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