Neuroidal Networks Project Page

The author of this page, Cengiz Gunay, has worked on this project during his Ph.D. in Computer Science under the supervision of Dr. Anthony S. Maida in the Center for Advanced Computer Studies (CACS) at the University of Louisiana at Lafayette (ULL). He is currently pursuing a postdoctoral fellowship in the Department of Biology at Emory University under the supervision of Dieter Jaeger, at the Jaeger Lab.

A simulation program has been under development for research purposes. The Java programming language has been used for implementation, the reason being the widespread availability and its platform independence.

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Work In Progress

• Proposed enhancements to the simulator design inspired by the program debugger paradigm.
• The javadoc class documentation of the current software.

Submitted

• Cengiz Gunay and Anthony S. Maida. A stochastic population approach to the problem of stable recruitment hierarchies in spiking neural networks. Submitted to Biological Cybernetics, Dec. 2003 (long-format PDF, presentation PDF).
• Cengiz Gunay and Anthony S. Maida. Using temporal binding for hierarchical recruitment of conjunctive concepts over delayed lines. Submitted to the Neurocomputing, Revised Dec. 2004 (PDF).

Published/Available

• Cengiz Gunay (2003). Hierarchical learning of conjunctive concepts in spiking neural networks. Ph.D. dissertation. Center for Advanced Computer Studies, University of Louisiana at Lafayette, Lafayette, LA 70504, U.S.A. (PDF, presentation PDF).
• Cengiz Gunay and Anthony S. Maida (2003). Temporal binding as an inducer for connectionist recruitment learning over delayed lines. Neural Networks, Vol. 16/5-6, pp. 593-600. (PDF).
• Cengiz Gunay and Anthony S. Maida (2003). Using temporal binding for connectionist recruitment over delayed lines. Proc. of IJCNN'03. (PDF, Presentation PDF).
• Cengiz Gunay and Anthony S. Maida (2003). A robust neural mechanism for creating new memories using noisy delays and lateral inhibition. Poster presented at the ICCNS'03 at Boston University (Poster PDF).
• Cengiz Gunay and Anthony S. Maida (2003). Using temporal binding for hierarchical recruitment of conjunctive concepts over delayed lines. Technical Report TR-2003-2-1, Center for Advanced Computer Studies, University of Louisiana at Lafayette, Lafeyette LA 70504-4330, U.S.A. March 2003. (PDF).
• Conference poster (PDF) for tolerating delays and preventing crosstalk with neuroidal nets presented at the ICCNS'02 at Boston University.
• An abstract, and an extended abstract about the status of the research in 2002.

Projects using the Neuroidal Networks

• Phase Segregation: This work deals with tolerating delays and using phase segregation for maintaining coherence in representation by synchrony. It suggests methods for maintaining coherent bindings in topologies with converging direct-indirect pathways.
  We have presented this paper (and presentation) at the IJCNN '01. This theoretical model is to be verified by using the Neuroidal Network simulator. This abstract explains the role of this work in the project.
• A report on the initial implementation of the Neuroidal Network simulator allowing distributed computations on several workstations for the Operating Systems class CMPS 555. Another report on same project on its cognitive contributions.
• A report on the project aimed at pruning unused connections for possible VLSI implementations of the Neuroidal Network for the Computer Architecture course CMPS 530.