This two-volume set LNCS 7902 and 7903 constitutes the refereed proceedings of the 12th
International Work-Conference on Artificial Neural Networks IWANN 2013 held in Puerto de la
Cruz Tenerife Spain in June 2013. The 116 revised papers were carefully reviewed and
selected from numerous submissions for presentation in two volumes. The papers explore sections
on mathematical and theoretical methods in computational intelligence neurocomputational
formulations learning and adaptation emulation of cognitive functions bio-inspired systems
and neuro-engineering advanced topics in computational intelligence and applications.