keep fit session

IT will get better as your anticipation and movements become more fluid. Your instructor is right. Minds as well as muscles need exercise, and most refreshing to hear of one who acknowledges that.

Our Gym has a special class during the day for people who aerobe? at a slower pace. Could you suggest they start one?
Have you tried aquarobics? that's good fun, ours does Aqua Zumba too.

I hope this helps. Joining the Gym was the first & best thing I did when I retired much to the hilarity of my family.

I should have said Zumba Gold is especially designed for the over 50s.

I go to Zumba Gold (be going there this morning). The emphasis there is brain and body and the routines change quite often. It doesn't matter that we cant all do it the first time or even the seventy first time- what matters according to our instructor is that the brain is constantly challenged and engaged. If you stick with it muscle memory comes in to a certain extent. I have to say I like the variety- if we didn't change things from time to time I would be very bored.

I think it is worse for you because you are new. I have been attending various class for many years so tend to know most of the names of moves. To the uninitiated the terms are sometimes impossible to hear over the music, which doesn't help either. In my leisure centres there is one instructor who gives minimal cues which makes following difficult for newcomers. I think the fault is with your teacher, not you. I hope you will persevere, overthehill and that you will get the pleasure out of exercise that I do.
A useful tip is to stand towards the front and not at the edge of the room, or hide in the back row. Then when the routine turns you will always have someone in front of you to follow.