New Challenges on Bioinspired Applications

1. Front Matter

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2. Neuromorphic Detection of Vowel Representation Spaces

   • Pedro Gómez-Vilda, José Manuel Ferrández-Vicente, Victoria Rodellar-Biarge, Agustín Álvarez-Marquina, Luis Miguel Mazaira-Fernández, Rafael Martínez-Olalla et al.

   Pages 1-11

3. Speaker Recognition Based on a Bio-inspired Auditory Model: Influence of Its Components, Sound Pressure and Noise Level

   • Ernesto A. Martínez–Rams, Vicente Garcerán–Hernández

   Pages 12-24

4. Inner-Hair Cells Parameterized-Hardware Implementation for Personalized Auditory Nerve Stimulation

   • Miguel A. Sacristán-Martínez, José M. Ferrández-Vicente, Vicente Garcerán-Hernández, Victoria Rodellar-Biarge, Pedro Gómez-Vilda

   Pages 25-32

5. Semiautomatic Segmentation of the Medial Temporal Lobe Anatomical Structures

   • M. Rincón, E. Díaz-López, F. Alfaro, A. Díez-Peña, T. García-Saiz, M. Bachiller et al.

   Pages 33-40

6. Analysis of Spect Brain Images Using Wilcoxon and Relative Entropy Criteria and Quadratic Multivariate Classifiers for the Diagnosis of Alzheimer’s Disease

   • F. J. Martínez, D. Salas-González, J. M. Górriz, J. Ramírez, C. G. Puntonet, M. Gómez-Río

   Pages 41-48

7. MRI Brain Image Segmentation with Supervised SOM and Probability-Based Clustering Method

   • Andres Ortiz, Juan M. Gorriz, Javier Ramirez, Diego Salas-Gonzalez

   Pages 49-58

8. Effective Diagnosis of Alzheimer’s Disease by Means of Distance Metric Learning and Random Forest

   • R. Chaves, J. Ramírez, J. M. Górriz, I. Illán, F. Segovia, A. Olivares

   Pages 59-67

9. Distance Metric Learning as Feature Reduction Technique for the Alzheimer’s Disease Diagnosis

   • R. Chaves, J. Ramírez, J. M. Górriz, D. Salas-Gonzalez, M. López

   Pages 68-76

10. Brain Status Data Analysis by Sliding EMD

    • A. Zeiler, R. Faltermeier, A. Brawanski, A. M. Tomé, C. G. Puntonet, J. M. Górriz et al.

    Pages 77-86

11. A Quantitative Study on Acupuncture Effects for Fighting Migraine Using SPECT Images

    • M. López, J. Ramírez, J. M. Górriz, R. Chaves, M. Gómez-Río

    Pages 87-95

12. High Resolution Segmentation of CSF on Phase Contrast MRI

    • Elsa Fernández, Manuel Graña, Jorge Villanúa

    Pages 96-103

13. Exploration of LICA Detections in Resting State fMRI

    • Darya Chyzhyk, Ann K. Shinn, Manuel Graña

    Pages 104-111

14. FreeSurfer Automatic Brain Segmentation Adaptation to Medial Temporal Lobe Structures: Volumetric Assessment and Diagnosis of Mild Cognitive Impairment

    • R. Insausti, M. Rincón, E. Díaz-López, E. Artacho-Pérula, F. Mansilla, J. Florensa et al.

    Pages 112-119

15. Alzheimer Disease Classification on Diffusion Weighted Imaging Features

    • M. Termenon, A. Besga, J. Echeveste, A. Gonzalez-Pinto, M. Graña

    Pages 120-127

16. Future Applications with Diffusion Tensor Imaging

    • T. García-Saiz, M. Rincón, A. Lundervold

    Pages 128-135

17. Monitoring Neurological Disease in Phonation

    • Pedro Gómez-Vilda, Roberto Fernández-Baíllo, José Manuel Ferrández-Vicente, Victoria Rodellar-Biarge, Agustín Álvarez-Marquina, Luis Miguel Mazaira-Fernández et al.

    Pages 136-147

18. Group Formation for Minimizing Bullying Probability. A Proposal Based on Genetic Algorithms

    • L. Pedro Salcedo, M. Angélica Pinninghoff J., A. Ricardo Contreras

    Pages 148-156

19. A Speaker Recognition System Based on an Auditory Model and Neural Nets: Performance at Different Levels of Sound Pressure and of Gaussian White Noise

    • Ernesto A. Martínez–Rams, Vicente Garcerán–Hernández

    Pages 157-166

20. Automatic Detection of Hypernasality in Children

    • S. Murillo Rendón, J. R. Orozco Arroyave, J. F. Vargas Bonilla, J. D. Arias Londoño, C. G. Castellanos Domínguez

    Pages 167-174

The two volumes, LNCS 6686 resp. LNCS 6687, constitute the refereed proceedings of the 4th International Work-Conference on the Interplay between Natural and Artificial Computation, IWINAC 2011, held in La Palma, Canary Islands, Spain, in May/June 2011. The 108 revised full papers presented in LNCS 6686 resp. LNCS 6687 were carefully reviewed and selected from numerous submissions. The first part, LNCS 6686, entitled "Foundations on Natural and Artificial Computation", includes all the contributions mainly related to the methodological, conceptual, formal, and experimental developments in the fields of neurophysiology and cognitive science. The second part, LNCS 6687, entitled "New Challenges on Bioinspired Applications", contains the papers related to bioinspired programming strategies and all the contributions related to the computational solutions to engineering problems in different application domains, specially Health applications, including the CYTED ``Artificial and Natural Computation for Health'' (CANS) research network papers.

• autonomous robots
• computer vision
• evolutionary computation
• genetic algorithms
• particle swarm optimization
• algorithm analysis and problem complexity

• Departamento de Electrónica, Tecnología de Computadoras y Proyectos, Universidad Politécnica de Cartagena, Cartagena, Spain

  José Manuel Ferrández, F. Javier Toledo

• E.T.S. de Ingeniería Informática, Departamento de Inteligencia Artificial, Universidad Nacional de Educación a Distancia, Madrid, Spain

  José Ramón Álvarez Sánchez

• E.T.S. de Ingeniería Informática, Dapartamento de Inteligencia Artificial, Universidad Nacional de Educación a Distancia, Madrid, Spain

  Félix Paz

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