Why does depression make you lose your memory?
Declarative memory, which
involves the retention of facts and events, may be less effective when a person
is depressed. The hippocampus, a stress-sensitive
region of the brain involved in learning and memory, is often smaller in
depressed individuals. Low hippocampus volume may be the cause of poor memory.
These results provide credence to
the hypothesis
that melancholy may impair declarative memory, which involves remembering facts
and experiences. The study's authors postulate that depression might inhibit
the growth of new nerve cells. This can make it challenging to create or access
fresh memories.
Acute and long-term alterations
brought on by stress can harm some parts of the brain. The most common memory
impairment caused by excessive stress hormone
production is long-term delayed recall memory, although it can also improve
short-term, instant recall memory. This improvement is most noticeable in
emotional memory.
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