Memory failure is well documented as a symptom of CFS/FM and sometimes the devastating effect on the sufferer is alluded to, but it is actually terrifying - you cannot recall the simplest things that you know so well, and start to believe that you cannot function as a person as such a basic attribute has disappeared.

- from introduction to Memory Loss

Inability to articulate is the result of various cognitive functions not performing. We cannot understand what is said to us, we cannot fathom words, pictures or diagrams, we cannot call on our former vocabulary and even simple words elude - if we dare to speak it is likely to be gibberish. When we are able to seize a word, pronunciation often goes haywire. Our confidence evaporates, we become mute.

- from introduction to Cognitive Malfunction