Jagmeet S. Kanwal, Ph.D.

Associate Professor, Physiology and Biophysics

 

Teaching

Service

Georgetown University Animal Care and Use Committee (GUACUC), 1999 - 2005.

Chair: Curriculum Committee, Interdisciplinary Program in Neuroscience (IPN), 2002-2004

Member: Admissions Committees, Interdisciplinary Ph.D. Program in Neuroscience, Biomedical Sciences Program, Graduate Program in Physiology and Biophysics. 2000 - 2005.

Research

Publications in Peer Reviewed Journals/Books
Books
Published Abstracts

Courses:

NSCI 502: (Spring 2005) Sensory systems - Module for Core course in the Interdisciplinary Program in Neuroscience (IPN)

New Course!

PB 701: (Fall 2005) Neural Coding: Synaptic mechanisms - 1 Credit

Top of Page

 

Original Papers and Reviews in Refereed Journals/Books:
Top of Page

  1. Washington S.D. and Kanwal J.S., (2004) Linear FM synthesis: test stimuli for rapid analysis of auditory neurodynamics. HTRB, Article ID: 20041208; http://htrb.georgetown.edu/Archives.htm.

  2. Medvedev A.V and Kanwal J.S. (2004) Local field potentials and spiking activity in the primary auditory cortex in response to social calls. J. Neurophysiol. 92:52-65.

  3. Prasada Rao, P.D. and Kanwal J.S. (2004) Oxytocin and vasopressin immunoreactivity within the forebrain and limbic-related areas in the mustached bat, Pteronotus parnellii. Brain Behav and Evol 63:151-158.

  4. Kanwal J.S., Peng, J.P., and Esser, K.-H. (2004) Vocal communication and echolocation in the mustached bat: computing dual functions within single neurons.  In: Thomas J.A., and Vater M., Moss, C.J. (eds) ADVANCES IN THE STUDY OF ECHOLOCATION IN BATS AND DOLPHINS. University of Chicago Press.

  5. Kanwal J.S, Medvedev A.V and Micheyl C. (2003) Neurodynamics for auditory stream segregation: tracking sounds in the mustached bat’s natural environment. Network 14:413-435.

  6. Kanwal J.S.  and Prasada Rao P.D (2002) Oxytocin within auditory nuclei: a neuromodulatory function in sensory processing? NeuroReport. 13:2193-2197.

  7. Medvedev A.V., Chiao F., and Kanwal J.S. (2002) Modeling complex sound perception: grouping harmonics with combination-sensitive neurons. Biological Cybernetics 86:497-505.

  8. Kanwal J.S., Gordon M., Peng J.P., and Esser, K.-H. (2000) Auditory responses from the frontal cortex in the mustached bat, Pteronotus parnellii. NeuroReport. 11:367-372.

  9. Kieckhefer E., and Kanwal J.S. (2000) A computer program for sequencing and presenting complex sounds for auditory neuroimaging studies.  J. Neurosci. Methods 101:43-48.

  10. Kamada, J., Pekar J., and Kanwal J.S. (1999) Anatomical and functional imaging of the auditory cortex in awake mustached bats using magnetic resonance. Brain Res. Protocols 4:351-359.

  11. Kanwal J.S, Fitzpatrick D. and Suga, N. (1999) Facilitatory and inhibitory frequency tuning of combination-sensitive neurons in the auditory cortex of mustached bats. J. Neurophysiol. 82:2327-2345.

  12. Kanwal, J.S. (1998) Charting Speech with Bats but without Maps. Brain Behav. Sci. 21:272-273.

  13. Esser, K-H., Condon, C.J., Suga, N., and Kanwal J.S. (1997) Syntax processing by auditory cortical neurons in the FM-FM area of the mustached bat, Pteronotus parnellii. Proc. Natl. Acad. Sci., 94:14019-14024.

  14. Kanwal J.S., and Finger, T.E. (1997) Parallel medullary gustatospinal pathways in a catfish: possible neural substrates for taste-mediated food search. J. Neurosci. 17:48873-4885.

  15. Ohlemiller, K.K., Kanwal J.S., and Suga, N. (1996) Temporal facilitation for call processing in the FM-FM and CF/CF areas of the auditory cortex of the mustached bat. NeuroReport 7:1749-1755.

  16. Suga, N., and Kanwal J.S. (1995) Echolocation: Creating computational maps via parallel-hierarchical processing.  In, M. Arbib (ed.) HANDBOOK OF BRAIN THEORY AND NEURAL NETWORKS. p. 344-351.

  17. Ohlemiller, K.K., Kanwal J.S., Butman, J. and Suga, N. (1994) Stimulus design for auditory neuroethology: synthesis and manipulation of complex communication sounds.  Auditory Neurosci. 1:19-37.

  18.  Kanwal J.S., Matsumura, S., Ohlemiller, K., and Suga, N. (1994) Acoustic elements and syntax in communication sounds emitted by mustached bats.  J. Acous. Soc. Am. 96:1229-1254.

  19. Fitzpatrick, D.C., Kanwal J.S., Butman, J., and Suga, N. (1993) Combination-sensitive neurons in the primary auditory cortex of the mustached bat.  J. Neurosci. 320:509-520. 

  20. Finger, T.E. and Kanwal J.S. (1992) Ascending general visceral pathways within the brainstem of the two teleost fishes: Ictalurus punctatus and Carassius  auratus.  J. Comp. Neurol. 320:509-520.

  21. Kanwal J.S., T.E. Finger and J. Caprio (1988) Forebrain connections of the gustatory system in Ictalurid catfishes.  J. Comp. Neurol. 278:353-376.

  22. Kanwal J.S. and J. Caprio (1988) Overlapping taste and tactile maps of the oropharynx in the vagal lobe of the channel catfish, Ictalurus punctatus. J. Neurobiology 19:211-222.

  23. Kanwal J.S. and J. Caprio (1987) Central projections of the glossopharyngeal and vagal nerves in the channel catfish, Ictalurus punctatus: Clues to differential processing of visceral inputs.  J. Comp. Neurol. 264:216-230.

  24. Kanwal J.S., I. Hidaka and J. Caprio (1987) Taste responses to amino acids from facial nerve branches innervating oral and extra-oral taste buds in the channel catfish, Ictalurus punctatus.  Brain Res. 406:105-112.

  25. Kanwal J.S., and J. Caprio (1983) An electrophysiological investigation of the oro-pharyngeal (IX-X) taste system of the channel catfish, Ictalurus punctatus.  J. Comp. Physiol. 150:345-357.

Publications (Peer Reviewed) in Other Journals/Book (Symposium Proceedings):
Top of Page

  1. Ehret G. and Kanwal J.S. (2005) Behavioral and Physiological Adaptations: Summary and Discussion. In: J.S. Kanwal and G. Ehret, (eds.) Behavior and Neurodynamics for Auditory Communication, Cambridge University Press, Cambridge England. (in press).

  2. Kanwal J.S. and Ehret G. (2005) Neural Adaptations and Plasticity: Summary and Discussion. In: J.S. Kanwal and G. Ehret, (eds.) Behavior and Neurodynamics for Auditory Communication, Cambridge University Press, Cambridge England. (in press).

  3. Kanwal J.S. (2005) A distributed cortical representation of social calls. In: J.S. Kanwal and G. Ehret, (eds.) Behavior and Neurodynamics for Auditory Communication, Cambridge University Press, Cambridge England. (in press).

  4. Clement, M.J. Dietz N., Gupta P. and Kanwal J.S. (2005) Audiovocal Communication and Social Behavior in Mustached Bats. In: J.S. Kanwal and G. Ehret, (eds.) Behavior and Neurodynamics for Auditory Communication, Cambridge University Press, Cambridge England. (in press).

  5. Kanwal J.S. (2004) Representing complex sounds in the brains of bats and humans.  In: Purves, D, Augustine GJ, G Fitzpatrick, D, Hall, WC, LaMantia, A-S, McNamara JO, Williams SM (eds.) NEUROSCIENCE. Sinauer Associates, MA, USA; Chapter 12, pp. 310-311.

  6. Kanwal J.S. (1999) Processing species-specific calls by combination-sensitive neurons in an echolocating bat. In: Hauser, M.D. and Konishi, M. (ed.) THE DESIGN OF ANIMAL COMMUNICATION. MIT press p. 134-157.

  7. Kanwal J.S. and Suga, N. (1995) Left hemispheric specializations for processing species-specific communication sounds in the primary auditory cortex of mustached bats.  In: M. Burrows, T. Matheson, P.L. Newland and H. Schuppe (eds.) Nervous systems and behavior.  PROCEEDINGS OF THE 4TH INTERNATIONAL CONGRESS OF NEUROETHOLOGY.  Georg Thieme Verlag, Stuttgart, Germany. p. 304.

  8. Kanwal J.S. and T.E. Finger (1992) Central representation and projections of gustatory systems.  In, T.J. Hara (ed.) FISH CHEMORECEPTION.  Chapman and Hall, Ltd., London, England. pp. 79-102. 

  9. Kanwal J.S. and Finger, T.E. (1989) Functional organization of faciospinal pathways in a catfish: Neural correlates of gustatory food search. In: J. Erber, R. Menzel, H-J Pfluger and D. Todt (eds.) Neural mechanisms of behavior. PROCEEDINGS OF THE 2ND INTERNATIONAL CONGRESS OF NEUROETHOLOGY.  Georg-Thieme-Verlag, Stuttgart, Germany. p. 107.

  10. Kanwal J.S. (1988) How the catfish tracks its prey: An interactive "pipelined" processing system may direct foraging via reticulospinal neurons. In: D. Anderson (ed.) NEURAL INFORMATION PROCESSING SYSTEMS; American Institute Of Physics, New York, NY, pp. 402-411.

  11. Marui, T., Kasahara Y., Kanwal J.S., Caprio, J. and Kiyohara S. (1987) Neural connections from/to the facial and vagal lobes in the Japanese sea catfish. In: S. Roper & J. Atema (eds.) Olfaction and Taste IX. ANN. NEW YORK ACAD. SCI. 510:466-467.

Books:
Top of Page

  1. Kanwal J.S., and Ehret, G. (editors) Behavior and Neurodynamics for Auditory Communication, Cambridge University Press, Cambridge England. (in press).

Abstracts:
  * Indicates publication since arrival at Georgetown
Top of Page

  1. Medvedev A.V., and Kanwal J.S., (2004) Evoked gamma activity is sensitive to the spectrotemporal structure of communication sounds.  COSYNE meeting (in press).

  2. *Kanwal J.S., Prasada-Rao, P.D., Lai Z. and Clement M.J. (2004) Temporal integration of multisyllabic sequences in the frontal auditory field of the mustached bat, Pteronotus parnellii. Assoc. Res. in Otolaryngol. 27.

  3. *Prasada-Rao, P.D. and Kanwal J.S., (2004) Nitric oxide-containing neurons within the cortex and amygdala in the brain of the mustached bat, Pteronotus parnellii. Assoc. Res. in Otolaryngol. 27.

  4. *Clement M.J., and Kanwal J.S., (2004) Context driven “prosodic” variation in a social call emitted by mustached bats, Pteronotus parnellii. Assoc. Res. in Otolaryngol. 27.

  5. *Medvedev A.V., and Kanwal J.S., (2004) Simple acoustic patterns do not predict responses to natural calls in the frontal auditory field of the mustached bat, Pteronotus parnellii. Assoc. Res. in Otolaryngol. 27.

  6. *Washington S.D and Kanwal J.S., (2003) Nonverbal sounds abolish frontal cortex activity associated with arithmetic task processing. Assoc. Res. in Otolaryngol. 26.

  7. *Kanwal J.S., and Medvedev A.V. (2003) Neurodynamics for auditory stream segregation: A role for target-tracking in mustached bats? Assoc. Res. in Otolaryngol. 26.

  8. * Medvedev A.V., and Kanwal J.S., (2003) How do neuronal populations encode complex communication sounds? Assoc. Res. in Otolaryngol. 26.

  9. *Prasada Rao P.D. and Kanwal J.S. (2002) Oxytocin and Vasopressin within the brain of mustached bats: do they modulate audiovocal communication? Soc. for Neurosci. vol. 32. abstrt #

  10. *Portfors C., Wenstrup J. and Kanwal J.S. (2002) Multifrequency tuned neurons for call processing: are they created within the midbrain of mustached bats? Soc. for Neurosci. vol. 32. abstrt #

  11. *Kanwal J.S.,. Medvedev A.V., and Peng J.P. (2002) Complex sound perception: response coherence in the activity of neural ensembles. Assoc. Res. in Otolaryngol 25:43; abstrt # 167.

  12. *Medvedev A.V., Chiao F., and Kanwal J.S., (2002) Complex sound perception: binding harmonics within single combination-sensitive neurons. Assoc. Res. in Otolaryngol. 25:39; abstrt # 152.

  13. *Washington S.D and Kanwal J.S., (2002) Music alters brain activity patterns related to processing of an arithmetic task. . Midwinter Meeting of the Assoc. Res. in Otolaryngol. (in press).

  14. *Kanwal J.S., Peng J.P. Medvedev A. and Washington S.D. (2001) Multifrequency tuning in cortical neurons: binding harmonics to perceive syllables. Soc. for Neurosci., vol. 31 abstract # 723.36

  15. *Kanwal J.S., Peng J.P., and Ohlemiller, K.K., (2001) Encoding social calls in the mustached bat’s auditory cortex: distributed processing of acoustic features.  International Ethological Conference.

  16. *Peng J.P., and Kanwal J.S., (2001) Multipeaked harmonic tuning and call responses of neurons in the “tonotopic” auditory cortex of the mustached bat. International Congress for Neuroethology

  17. *Kanwal J.S., (2001) Multifunctional neurons and networks for hearing and vocal control, Symposium abstract. Winter Brain Conference.

  18. *Kanwal J.S., Kim J, and Kamada K. (2000) Function related parsing of complex sounds in the human auditory cortex.  Soc. for Neurosci. vol. 30, # 252.15.

  19. *Kanwal J.S.. (2000) Omitting data: Making the “best” of what you have? Conference on Research on Research Integrity, p. 53.

  20. *Kanwal J.S., and Chiao F. (2000) "Combination-sensitivity” as an aid to hearing pitch. International Hearing aid Conference. p. 40

  21. *Kanwal J.S., Kim J, Kamada K, and Tacka P. (2000) Localization of brain areas activated when attending to presented versus imagined music.  In: Biological Foundations of Music, A New York Acad. Sci. conference. p. 24.

  22. *Kanwal J.S., Kim J., and Kamada K. (2000) Separate, distributed processing of environmental, speech and musical sounds in the cerebral hemispheres. J. Cog. Neurosci. supp. p. 32.

  23. *Kim J, Tacka P., Berkowitz A., Kamada K. and Kanwal J.S. (2000) Music imagery leads to focal activation within multiple areas in the cortex of musically trained individuals. J. Cog. Neurosci. supp. p. 32.

  24. *Kanwal J.S., and Gordon, M. (1999) Segregating auditory information along two subcortical streams. J. Cog. Neurosci. supp. p.102.

  25. *Esser K-H, Eiermann A. and Kanwal J.S. (1998) Neural representation of biosonar structure in echolocating bats: processing beyond sensory cortices? Zoology 101, supplement 1. p. 5.

  26. *Kanwal J.S., Peng J.P., and Esser K-H, (1998) Convergent and separate processing of communication and echolocation sounds in a bat’s cortex. Biological Sonar Conference, Carveiro, Portugal, p. 22.

  27. *Gupta, P., Dietz, N. and Kanwal J.S. (1998) Vocal communication and stereotypic social behavior patterns in the mustached bat, Pteronotus parnellii. Midwinter Meeting of the Assoc. Res. in Otolaryngol. , 19: p. 456.

  28. *Dietz, N., Peng, J. and Kanwal J.S. (1998) Call variation in two subspecies of mustached bats, Pteronotus parnellii: do bats have dialects? Midwinter Meeting of the Assoc. Res. in Otolaryngol., 19: p. 456.

  29. *Kamada, K.K., Chew, B.G., Qiu, H.H., Pekar J., and  Kanwal J.S. (1998) Magnetic resonance imaging of the auditory cortex of awake mustached bats. Midwinter Meeting of the Assoc. Res. in Otolaryngol. 19:p.  456.

  30. *Kanwal, J.S. (1997)  A multidimensional code for processing social calls in the auditory cortex of the mustached bat.  33rd. IUPS abstract L081.05.

  31. *Stoltz, B., Chhina, G.S., and Kanwal J.S. (1997) Monaural presentation of music improves performance on  a tactile pattern matching task in humans.  Soc. for Neurosci., #192.1, p. 494 .

  32. *Condon, C.J., Kanwal J.S., and Suga, N.  (1997)  Responses of neurons in the ventroposterior auditory cortex of the mustached bat to communication calls.  Midwinter Meeting of the Assoc. for Res. in Otolaryngol., 20.

  33. *Esser, K.-H., Condon, C.J., Kanwal J.S. and Suga, N. (1996)  Playback of composite communication calls reveals syntax processing in the FM-FM area of the mustached bat's auditory cortex. In: Goettingen Neurobiology Report, Proceedings of the 24th Goettingen Neurobiology Conference, Vol. II. edited by Elsner, N., and Schnitzler, H.-U., Georg Thieme, Stuttgart, Germany, Verlag New York, 239.

  34. *Kanwal J.S. and Esser, K.-H. (1996)  Auditory responses from neurons in the frontal cortex of the mustached bat. In: Goettingen Neurobiology Report, Proceedings of the 24th Goettingen Neurobiology Conference, Vol. II. edited by Elsner, N., and Schnitzler, H.-U., Georg Thieme , Stuttgart, Germany, Verlag New York, 239.

  35. Condon, C.J., Esser, K.-H., Kanwal J.S., and Suga, N. (1996)  Responses of FM-FM neurons to composite communication calls provide evidence for syntax processing in the auditory cortex of the mustached bat.  Midwinter Meeting of the Assoc. Res. in Otolaryngol.,19: 456.

  36. Kanwal J.S. (1996)  Interhemispheric interactions suppress responses to communication call but not tonal stimuli in the primary auditory cortex of the mustached bat.  Assoc. Res. in Otolaryngol.,19: 622.

  37. Condon, C.J., Esser, K.-H., Kanwal J.S., and Suga, N. (1996)  Responses of FM-FM neurons to composite communication calls provide evidence for syntax processing in the auditory cortex of the mustached bat.  Assoc. Res. in Otolaryngol.,19: 456.

  38. Kanwal J.S., and Suga, N. (1995)  Facilitation and inhibition shape neural specializations in the DSCF area for jamming avoidance and target tracking in mustached bats. Soc. Neurosci., 21:667.

  39.  Kanwal J.S., and Suga, N. (1995)  Hemispheric asymmetry in the processing of calls in the auditory cortex of the mustached bat.  Assoc. Res. Otolaryngol., 18:104.

  40. Kanwal J.S., Ohlemiller, K.K., and Suga, N. (1994)  Distributed, multidimensional representation of communication sounds in the auditory cortex of the mustached bat.  Assoc. Res. Otolaryngol., 17:92.

  41. Wang. G., Suga, N. and Kanwal J.S., (1994)  Recurrent network simulations for the processing of range information in the mustached bat.  Assoc. Res. Otolaryngol., 17:92.

  42. Kanwal J.S., Ohlemiller, K.K., and Suga, N. (1993)  Communication sounds of the mustached bat:  classification and multidimensional analyses of call structure.  Assoc. Res. Otolaryngol., 16:111.

  43. Ohlemiller, K.K., Kanwal J.S., and Suga, N. (1993)  Do cortical auditory neurons of the mustached bat have a dual function for processing biosonar signals and communication sounds?  Assoc. Res. Otolaryngol., 16:111.

  44. Kanwal J.S., Ohlemiller K.K., and Suga, N. (1992)  Selective representation of call-syllables in the DSCF area in the primary auditory cortex of the mustached bat.  Soc. Neurosci., 18:884.

  45. Kanou, M., Shimozawa, T., Kanwal J.S. and Suga, N. (1992)  Functional connectivity within the FM-FM area in the auditory cortex of the mustached bat.  Soc. Neurosci., 18:883.

  46. Ohlemiller, K.K., Kanwal J.S., and Suga, N. (1992)  Responses of cortical and thalamic FM-FM and CF/CF neurons of the mustached bat to species-specific communication sounds.  Soc. Neurosci., 18:883.

  47. Kanwal J.S., Matsumura, S. and Suga, N. (1992)  Properties of communication sounds in the mustached bat.  Assoc. Res. Otolaryngol., 15:143.

  48. Kanwal J.S., Fitzpatrick, D.C. and Suga, N. (1991)  Neurons in the auditory cortex of the mustached bat are sensitive to combinations of non-harmonic frequencies.  Soc. Neurosci., 17:444.

  49. Kanwal J.S., and Finger, T.E. (1989)  Convergence of gastric and gustatory inputs in the medulla of the channel catfish, Ictalurus punctatus. Soc. Neruosci., 15:929.

  50. Kanwal J.S., and Finger, T.E. (1989)  Functional organization of faciospinal pathways in a catfish: Neural correlates of gustatory food search. Second International Congress on Neuroethology, Berlin, Fed. Rep. Germany.

  51. Kanwal J.S., and Finger, T.E. (1988)  Spatial and temporal integration of taste and tactile information in the reticular formation of a teleost.  Soc. Neurosci., 14:691.

  52. Kanwal J.S., and Finger, T.E. (1988)  Medullary convergence of taste and tactile inputs onto visceral motoneurons in the channel catfish, Ictalurus punctatus. Chem. Senses, .

  53. Kanwal J.S., and Finger, T.E. (1987)  Gustatory modulation of oromotor and visceromotor outputs in the channel catfish, Ictalurus punctatus.  Soc. Neurosci., 13:1406.

  54. Kanwal J.S. (1987) How the catfish tracks its prey: Gusto-modulated reticulospinal neurons may guide navigational behavior in the channel catfish, Ictalurus punctatus.  IEEE Conference on Neural Information Processing Systems: natural and synthetic, IEEE Catalog No. 87 CH 2386-1, p. 38.

  55. Kanwal J.S., and Finger T.E. (1987)  Gustatory information is processed in multiple facio-spinal pathways in the catfish brainstem.  Assoc. Chemorecept. Sci., abstract # 165.

  56. Kanwal J.S., and Finger T.E. (1986) Indirect gustato-spinal connections in the brainstem of the channel catfish.  Soc. Neurosci., 12:496.

  57. Marui, T., Kasahara Y., Kanwal J.S., Caprio, J. and Kiyohara S. (1986)  Neural connections from/to the facial and vagal lobes in the Japanese sea catfish, Plotosus anguillaris.  Ninth International Symposium on Olfaction and Taste. . # p. 107.

  58. Kanwal J.S., Finger T.E., and Caprio, J. (1984)  Gustatory centers exist in the telencephalon and thalamus of catfish: support for homology with mammalian forebrain.  Soc. Neurosci., 10:855.

  59. Kanwal J.S., and Caprio, J. (1984)  Topographic arrangement and response properties of gustatory neurons in the vagal lobe of the catfish.  Assoc. for Chemorecept. Sci. VI., #69.

  60. Kanwal J.S., and Caprio, J. (1983)  Somatotopic mapping and characterization of visceral sensory neurons in the vagal lobe of the catfish.  Soc. Neurosci., 9:1024.

  61.  Kanwal J.S., and Finger, T.E. (1983)  Separate gustatory and general visceral sensory pathways in the brains of Ictalurid catfish.  Assoc. for Chemorecept. Sci. V., # 67.

  62. Kanwal J.S., and Caprio, J. (1981)  Taste responses from the glossopharyngeal and vagal nerves in the channel catfish, Ictalurus punctatus.  Soc. Neurosci., 7:664.

  63. Kanwal J.S., and Caprio, J. (1981)  Taste responses of the glossopharyngeal nerve in the catfish.  Assoc. Chemorecept. Sci. III.

Top of Page

 

Navigation bar

 

 

Navigation bar