1 23 Acta Neurologica Belgica ISSN 0300-9009 Acta Neurol Belg DOI 10.1007/s13760-013-0243-1 Effect of low-frequency stimulation on kindling induced changes in rat dentate gyrus: an ultrastructural study Razieh Rohani, Abbas Piryaei, Ali Jahanshahi, Yousef Sadeghi & Javad Mirnajafi-Zadeh