A number of people, including some medical practitioners, have pooh-poohed my notion of chemo-brain. Today a Japanese study says "Chemotherapy promotes a short-term, but apparently reversible, shrinkage of key brain areas."
Partial quote:
These changes could explain the impairment of thinking, memory, and focus that many cancer patients complain of after treatment, a Japanese research team has found.
The changes are marked by a temporary dimunition of certain brain areas that help people concentrate, plan, problem-solve, execute, and remember. This shrinkage can bring on a general cognitive malaise often called "chemo-brain."
However, these reductions in brain matter were no longer evident three and four years after chemotherapy, the Japanese team reported Monday in the online edition of Cancer.
"These findings can provide new insights for future research to improve the quality of life of cancer patients," concluded a team led by Dr. Masatoshi Inagaki of the Research Center for Innovative Oncology, part of the National Cancer Center Hospital East in Chiba, Japan.
The current study both supports and contradicts prior research into chemo-brain.
For example, a study released last month by researchers at the University of California, Los Angeles, suggested that chemo-brain is linked to brain blood-flow changes that can endure for a decade or more.
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