Primary Research Area:

Biomedical Engineering including Bioinformatics, Image Processing and Analysis, Neurobiology

Communications and Signal Processing including Digital Signal Processing / Multidimensional Signal Processing

Intelligent Systems and Bioengineering including Biomedical Systems, Neural Networks

Research Interests:

Functional organization of cortical networks and their contributions to sensory information processing, cerebral cortex as a computational system.

Education:

Ph.D., UNC-Chapel Hill

Recent Publications:

1. Tommerdahl M, Favorov OV, Whitsel BL (2009) Dynamic representations of the somatosensory cortex. Neuroscience and Biobehavioral Reviews (in press).
2. Kursun O, Favorov OV (2009) Feature selection and extraction using an unsupervised biologically-suggested approximation to Gebelein’s maximal correlation. International Journal of Pattern Recognition and Artificial Intelligence (in press)
3. Whitsel BL, Favorov OV, Li Y, Quibrera M, Tommerdahl M. (2009) Area 3a neuron response to skin nociceptor afferent drive. Cerebral Cortex, 19: 349-366.
4. Turner WS, Seagle C, Galanko J, Favorov O, Prestwich GD, Macdonald JM, Reid LM (2008) Nuclear Magnetic Resonance footprinting of human hepatic stem cells and hepatoblasts cultured in hyaluronan-matrix hydrogels. Stem Cells 26: 1547-1555.
5. Tommerdahl M, Tannan V, Zachek M, Holden J, Favorov OV (2007) Effects of stimulus-driven synchronization on sensory perception. Behav. Brain Funct. 4: 3:61.
6. Favorov OV, Whitsel BL, Chiu JS, Tommerdahl M. (2006) Activation of cat SII cortex by flutter stimulation of contralateral vs. ipsilateral forepaws. Brain Research 1071: 81-90.
7. Tommerdahl M, Simons SB, Chiu J, Favorov OV, Whitsel BL. (2006) Ipsilateral input modifies the SI response to contralateral skin flutter. Journal of Neuroscience 26:5970-7.
8. Simons SB, Chiu JC, Favorov OV, Whitsel BL, Tommerdahl M. (2006) Duration-dependent response in SI to vibrotactile stimulation. Journal of Neurophysiology 97:2121-9.
9. Chiu J, Tommerdahl M, Whitsel B and Favorov O. (2005) Stimulus-dependent spatial patterns of response in SI cortex. BMC Neuroscience 6:47, 1-14.
10. Kursun O, Tommerdahl M, Reynolds M and Favorov O. (2005) Robust unsupervised facial feature extraction and use in matching images of never-before-seen individuals in homeland security applications. Artificial Neural Networks in Engineering, (ANNIE 2005).
11. Simons S, Tannan V, Chiu J, Favorov O, Whitsel B, and Tommerdahl M. (2005) Amplitude-Dependent Response of SI Cortex to Vibrotactile Stimulation. BMC Neuroscience 6:43. 1-13.
12. Tommerdahl M, Simons S, Chiu J, Favorov OV, and Whitsel BL. (2005) Response of SI cortex to ipsilateral, contralateral and bilateral flutter stimulation in the cat. BMC Neuroscience 6:29. 1-14.
13. Tommerdahl M, Hester KD, Felix ER, Hollins M, Favorov OV, Quibrera PM and Whitsel BL. (2005) Human vibrotactile frequency discriminative capacity after adaptation to 25 Hz or 200 Hz stimulation. Brain Research 1057: 1-9.
14. Lee J, Tommerdahl M, Favorov OV, and Whitsel BL. (2005) Small-fiber afferent drive impairs the capacity of astrocytes to buffer dorsal horn [K+]o and [Glu]o. Journal of Neurophysiology 94:852-64.
15. Tommerdahl M, Simons S, Chiu J, Tannan V, Favorov OV, and Whitsel BL. (2005) Response of SII cortex to ipsilateral, contralateral and bilateral flutter stimulation in the cat. BMC Neuroscience 6:11, 1-14.
16. Tommerdahl M., Favorov OV and Whitsel BL. (2005) Effects of high-frequency skin stimulation on SI cortex: Mechanisms and functional implications. Somatosensory and Motor Research 22: 1-22.
17. Kursun, O., and Favorov, O. V. (2004). SINBAD automation of scientific discovery: from factor analysis to theory synthesis. Natural Computing 3: 207-233.
18. Favorov, O.V. and Ryder D. (2004) SINBAD: a neocortical mechanism for discovering environmental variables and regularities hidden in sensory input. Biological Cybernetics 90: 191-202.
19. Kursun O. and Favorov O.V. (2004) What can SVMs teach each other? Artificial Neural Networks in Engineering (ANNIE 2004).
20. Whitsel, B. L., Kelly, E. F., Quibrera, M., Tommerdahl, M., Li, Y., Favorov, O. V., Xu, M., and Metz, C.B. (2003) Time-dependence of SI RA neuron responses to cutaneous flutter stimulation. Somatosensory & Motor Research 20: 43 – 67.
21. Kursun O. and Favorov O.V. (2003) Single-frame super-resolution by inference from learned features. Istanbul University Journal of Electrical and Electronics Engineering 3: 673-681.
22. Favorov, O. V., Hester, J. T., Lao, R., and Tommerdahl, M. (2002) Spurious dynamics in somatosensory cortex. Behavioral Brain Research 135: 75-82.
23. Tommerdahl, M., Favorov, O. V., and Whitsel, B. L. (2002) Optical imaging of intrinsic signals in somatosensory cortex, Behavioral Brain Research 135: 83-91.
24. Lao, R., Favorov, O.V., and Lu, J.P. (2001) Nonlinear dynamical properties of a somatosensory cortical model. Information Sciences 132: 53-66.
25. Ryder, D. and Favorov, O.V. (2001) The new associationism: a neural explanation for the predictive powers of cerebral cortex. Brain and Mind 2: 161-194.
26. Tommerdahl, M., Favorov, O. V., and Whitsel, B. L. (2000) Somatosensory cortical dynamics detected by intrinsic optical imaging. Somatosensory and Motor Research 17: 13-31.
27. Tommerdahl, M., Whitsel, B. L., Favorov, O. V., Metz, C. B., and O’Quinn, B. (1999) Responses of contralateral SI and SII in cat to same-site cutaneous flutter vs. vibration. Journal of Neurophysiology 82: 1982-1992.
28. Tommerdahl, M., Delemos, K. A., Whitsel, B.L., Favorov, O.V., and Metz, C.B. (1999) Response of anterior parietal cortex to cutaneous flutter versus vibration. Journal of Neurophysiology 82: 16-33.
29. Whitsel, B.L., Favorov, O., Delemos, K.A., Lee, C-J, Tommerdahl, M., Essick, G.K., and Nakhle, B. (1999) SI neuron response variability is stimulus-tuned and NMDA receptor-dependent. Journal of Neurophysiology 81:2988 - 3006.
30. Tommerdahl, M.A., Delemos, K.A., Favorov, O.V., Metz C.B., and Whitsel, B.L. (1998) Responses of anterior parietal cortex to different modes of same-site skin stimulation. Journal of Neurophysiology 80: 3272-3283.
31. Favorov, O.V. and Kelly, D.G. (1996) Stimulus-response diversity in local neuronal populations of the cerebral cortex. NeuroReport 7: 2293-2301.
32. Tommerdahl, M., Delemos, K.A., Vierck, Jr., C.J., Favorov, O.V., and Whitsel, B.L. (1996). Anterior parietal cortical response to tactile and skin-heating stimuli applied to the same skin site. Journal of Neurophysiology 75:2662-2670.
33. Tommerdahl, M., Whitsel, B.L., Vierck, C.J., Favorov, O., Juliano, S., Cooper, B., Metz, C., and Nakhle, B. (1996). Effects of spinal dorsal column transection on the anterior parietal cortical response to repetitive skin stimulation. Cerebral Cortex 6: 131-155.
34. Favorov, O.V. and Kelly, D.G. (1994) Minicolumnar organization within somatosensory cortical segregates: I. Development of afferent connections. Cerebral Cortex 4: 408-427.
35. Favorov, O.V. and Kelly, D.G. (1994) Minicolumnar organization within somatosensory cortical segregates: II. Emergent functional properties. Cerebral Cortex 4: 428-442.
36. Hollins, M. and Favorov, O.V. (1994) The tactile movement aftereffect. Somatosensory and Motor Research, 11: 153-162.
37. Tommerdahl, M., Whitsel, B.L., Nakhle, B., and Favorov, O. (1993). Minicolumnar activation patterns in cat and monkey SI cortex. Cerebral Cortex 3: 399-411.
38. Favorov, O.V. and Diamond, M. (1990) Demonstration of discrete place-defined columns, segregates, in cat SI. Journal of Comparative Neurology 298: 97-112.
39. Favorov, O. and Whitsel, B.L. (1988) Spatial organization of the peripheral input to area 1 cell columns: I. The detection of "segregates". Brain Research Reviews 13: 25-42.
40. Favorov, O. and Whitsel, B.L. (1988) Spatial organization of the peripheral input to area 1 cell columns: II. The forelimb representation achieved by a mosaic of segregates. Brain Research Reviews 13: 43-56.
41. Vierck, C.J., Favorov, O. and Whitsel, B.L. (1988) Neural mechanisms of absolute tactile localization in monkeys. Somatosensory and Motor Research 6: 41-62.
42. Favorov, O., Sakamoto, T. and Asanuma, H. (1988) Functional role of corticoperipheral loop circuits during voluntary movements in the monkey: A preferential bias theory. Journal of Neuroscience 8: 3266-3277.
43. Favorov, O.V., Diamond, M.E. and Whitsel, B.L. (1987) Evidence for a mosaic representation of the body surface in area 3b of the somatic cortex of cat. Proc. Nat. Acad. Sciences USA 84: 6606-6610.
44. Waters, R.S., Favorov, O. and Asanuma H. (1982) Physiological properties and pattern of projection of corticocortical connections from the anterior bank of the ansate sulcus to the motor cortex 4 in the cat. Experimental Brain Research 46: 403-412.
45. Waters, R.S., O. Favorov, A. Mori, and H. Asanuma (1982) Pattern of projection and physiological properties of cortico-cortical connections from the posterior bank of the ansate sulcus to the motor cortex, area 4, in the cat. Experimental Brain Research 48: 335-344.

Date of Last Modification: 1/19/2010

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