YDS 2016-2 Soru=24

Reading does not come naturally; it is a difficult skill that
must be acquired painfully. (22)---- learnt, however, it is
rarely, if ever, forgotten. So, we do not have to worry
about forgetting how to read because the skill is
(23)---- established in our long-term memory banks.
(24)---- the retention of the reading skill in permanent
memory, an entirely different type of memory is required
during the active process of reading itself. While
reading, we must retain a 'short-term working memory'
for what has just been read. Some of the information
acquired while reading (25)---- to long-term memory but
much is remembered for just long enough to enable you
to understand the text. Memories must somehow be
represented physically in the brain. Brain chemistry and
structure is altered by experience, and the stability of
these physiochemical changes can be associated
(26)---- the retention duration of memory