Hi Wynne,
I have the same thing happen, it's not that im not paying attention its that ive switched off for a moment - i used to hide it but now i just own up and say "sorry just zoned out for a moment, what did you say?" generally they just laugh because i have made a joke of it - but it happens most when im stressed or if i catch movement out of the corner of my eye i am immediately attentive to that and totally lose whatever i am talking about - that happens too , I can be in the middle of a conversation starting to say something and i forget half way through a sentence - i put it down to my mind being so stressed out that it just stops and takes a breath before continuing - it's similar to when my words stop and i have to close my eyes to cut out all the other visual input so that i can get the word out of my head - somtimes its just a long blink other times longer - and yes it makes me feel like im going crazy but i know (maybe) that it's just my minds way of coping - hope this is not too confusing

- take care P7