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Engram
Definitions
1
An
engram
is
a
theoretical
concept
in
neuroscience
referring
to
a
physical
trace
or
memory
trace
in
the
brain
that
represents
a
memory
.
It
is
the
idea
that
memories
are
stored
as
biophysical
or
biochemical
changes
in
the
brain's
neural
tissue
.
Scientists
are
studying
how
engrams
form
and
are
retrieved
in
the
brain
.
The
concept
of
an
engram
helps
explain
how
memories
are
stored
and
recalled
.
Research
into
engrams
could
lead
to
breakthroughs
in
understanding
memory
disorders
.
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Word Origin
Language
Greek
Original word
engramma
Word parts
en (in) + gramma (letter, writing)
Originally meant
a mark or impression
Background
The term 'engram' was coined in the early 20th century by Richard Semon, a German biologist, to describe the physical changes in the brain associated with memory storage.