... cognition? I was a psychotherapist. It's very difficult for me to hold thoughts, like someone's name or a number, remember details, read a book with a complicated plot. I'm easily overwhelmed by anything other than simple tasks. This change began during treatment but gradually worsened over time to the point where I can no longer work. I had 20 IV doses of trisenox in spring of 2005. I survived NK Cell Lymphoma. Thank you