When I was preparing for chemo I didn't know anything about "chemo brain" until mid to after chemo when I couldn't concentrate or remember anything and literally had to be led around and reminded what to do. This effect lasts for several months after chemo as the medications stay in your system, sometimes up to a year. If you have not heard of this before, and will be undergoing chemo treatments you will want to get prepared for this possibility.
I just found an excellent article on the effects of chemo on mental capabilities, this is called "chemo brain" and is well known by doctors. Click here to read a new study on this affect. Please read this study if you will be getting chemo treatments.
(December 11th update: Diem Brown just wrote about "chemo brain", you can read what she says here and here.)
Sincerely
Sharon Leigh