engramとは 意味・読み方・使い方

語源

Borrowed from German Engramm which was coined by German evolutionary biologist Richard Semon in 1904.^[1] First attested in English in 1921 (see quotation below). Ultimately from Ancient Greek ἐν (en, “in”) + γράμμα (grámma, “writing, picture”).^[2]

発音

• IPA^(key): /ˈɛnˌɡɹæm/, /ˈɛŋˌɡɹæm/
• Homophone: n-gram

名詞

engram (複数形 engrams)

1. A postulated physical or biochemical change in neural tissue that represents a memory.
   • 1921 January, Semon, Richard, “II (Engraphic Action of Stimuli on the Individual)”, in Louis Simon, transl., The Mneme‎^[2], Cornell University Library, published 2005, page 24:

     I use the word engram to denote this permanent change wrought by a stimulus; the sum of such engrams in an organism may be called its "engram-store," among which must distinguish inherited from acquired engrams.

2. (Scientology) A painful, negative mental image representing a past event.

参照

アナグラム

• German, Magner, Manger, german, manger, ragmen