This book collects together refereed versions of papers presented at the Eighth Neural Computation and Psychology Workshop (NCPW 8). NCPW is a well-established workshop series that brings together researchers from different disciplines, such as artificial intelligence, cognitive science, computer science, neurobiology, philosophy and psychology. The articles are centred on the theme of connectionist modelling of cognition and perceptionn.The proceedings have been selected for coverage in:* Index to Scientific & Technical Proceedings(R) (ISTP(R) / ISI Proceedings)* Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings)* Index to Social Sciences & Humanities Proceedings(R) (ISSHP(R) / ISI Proceedings)* Index to Social Sciences & Humanities Proceedings (ISSHP CDROM version / ISI Proceedings)* CC Proceedings - Engineering & Physical Sciences* CC Proceedings - Biomedical, Biological & Agricultural Sciences