HI Jenny
Excellent, thats a brilliant step to take!
Yes I work with many people experiencing similar problems and challenges with regards to memory, concentration in all areas from exams to reading, remembering names, phone numbers and so on AND the good news is there are many techniques you can learn to change this.
Everyone has perfect memory, its all in their, what people dont always find easy is getting the information back out. Memory is what we call "state" dependent (from the studies of NLP) and what this means is that the information is encoded in the way we are feeling and being at the time we put the information in....so for example if you are more relaxed when you study and then when get into an exam may not feel as relaxed then you are feeling a different feeling than that you were feeling when you revised
A big part of the work I do with clients is to assist then in having emotional calm, balance and control so that we are in the same comfortable emotional state from day to day, where as before their emotions and stress levels may have been all over the place
Also suddenly not remembering can also be a deep level of trance so would show that you are naturally very good at hypnosis, which is brilliant!
With regards to your exams, when do you get your results? It sounds like you have worked really hard and done the best you could have done and thats what matters so as much as you can focus on something different until you get the results AND if you dont have the results you want then its great that you can resit and use different memory and study techniques to make sure you get the most out of your studies....maybe you didnt give yourself enough time out - as this can cause stress which can then effect our concentration
A good memory techniques is to wear a certain perfume or smell when you study and then the same smell during your exam, the information becomes encoded in the smell and therefore you are able to recall the information easily
If you would like to know any more about the techniques I teach to improve memeory and concentration then please do get in touch, all my details are on
www.clairehegarty.co.uk