(Scientology) A painful, negative mental image representing a past event.
(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.
A physical alteration thought to occur in living neural tissue in response to stimuli, posited as an explanation for memory.
Origin of engram
- German Engramm en– Greek -gramma -gram
From American Heritage Dictionary of the English Language, 5th Edition
- en + -gram