Skip to main content

Douglas C. Fitzpatrick, PhD

Assistant Professor


Neuronal bases of sound localization performance


  • BS (biochemistry), BA (anthropology): University of Maryland, College Park, MD, 1980
  • PhD (anatomy), University of North Carolina, Chapel Hill, NC, 1988

Professional Experience:

  • Assistant Professor, Otolaryngology/Head and Neck Surgery, UNC School of Medicine, 1999-present
  • Research Associate, Dept. of Anatomy, University of Connecticut Health Center, 1992-1999
  • Research Associate, Dept of Biology, Washington University in St. Louis, 1988-1992

Recent Publications:

  • Choudhury, B., Adunka, O. F., Demason, C. E., Ahmad, F. I., Buchman, C. A., and Fitzpatrick, D. C. (2011). Detection of intracochlear damage with cochlear implantation in a gerbil model of hearing loss, Otol Neurotol 32, 1370-1378.
  • Suberman, T. A., Campbell, A. P., Adunka, O. F., Buchman, C. A., Roche, J. P., and Fitzpatrick, D. C. (2011). A gerbil model of sloping sensorineural hearing loss, Otol Neurotol 32, 544-552.
  • Campbell AP, Suberman T, Buchman CA, Fitzpatrick DC, Adunka OF. (2010) Flexible cochlear microendoscopy in the Gerbil. Laryngoscope, 120, 1619-1624.
  • Adunka OF, Mlot S, Suberman T, Campbell AP, Surowitz J, Buchman CA, Fitzpatrick DC. (2010) Electrophysiologic parameters indicating imminent cochlear damage – An animal model for electric acoustic stimulation. Otology and Neurotology, Otol Neurotol 31, 1233-1241.
  • Campbell AP, Suberman T, Buchman CA, Fitzpatrick DC, Adunka O. (2010) Correlation of early auditory potentials and intracochlear electrode insertion properties – An animal model featuring near real-time monitoring. Otology and Neurotology, 31, 1391-1398.
  • Fitzpatrick DC, Roberts JM, Kuwada S, Kim DO, Filapovik, B. (2009) Processing temporal modulations in binaural and monaural auditory stimuli by neurons in the inferior colliculus and auditory cortex. J. Assoc. Res. Otolaryngol. 10:579-93. PMCID: 2774410.
  • Marshall AF, Pearson JM, Falk SE, Skaggs JD, Crocker WD, Saldaña E, Fitzpatrick DC. Auditory response properties of neurons in the tectal longitudinal column of the rat. Hear Res. 2008 Oct;244(1-2):35-44.
  • Blanks DA, Buss E, Grose JH, Fitzpatrick DC, Hall JW 3rd. Interaural time discrimination of envelopes carried on high-frequency tones as a function of level and interaural carrier mismatch. Ear Hear. 2008 Oct;29(5):674-83.
  • Ebert CS Jr, Blanks DA, Patel MR, Coffey CS, Marshall AF, Fitzpatrick DC. Behavioral sensitivity to interaural time differences in the rabbit. Hear Res. 2008 Jan;235(1-2):134-42.
  • Saldaña E, Viñuela A, Marshall AF, Fitzpatrick DC, Aparicio MA. The TLC: a novel auditory nucleus of the mammalian brain. J Neurosci. 2007 Nov 28;27(48):13108-16.
  • Blanks DA, Roberts JM, Buss E, Hall JW, Fitzpatrick DC. Neural and behavioral sensitivity to interaural time differences using amplitude modulated tones with mismatched carrier frequencies. J Assoc Res Otolaryngol. 2007 Sep;8(3):393-408.
  • Pearson JM, Crocker WD, Fitzpatrick DC. Connections of functional areas in the mustached bat’s auditory cortex with the auditory thalamus. J Comp Neurol. 2007 Jan 10;500(2):401-18.
  • Coffey, C.S., Ebert, C.S., Marshall, A.F., Skaggs, J.D., Crocker, W.D., Pearson, J.M. and D.C. Fitzpatrick. (2006) Detection of Interaural Correlation by Neurons in the Superior Olivary Complex, Inferior Colliculus and Auditory Cortex of the Unanesthetized Rabbit. Hearing Research, 221:1-16.
  • Pearson, J.M., Crocker, W.D., Fitzpatrick, D.C. (2007) Connections of Functional Areas in the Mustached Bat’s Auditory Cortex with the Auditory Thalamus. J. Comp. Neurol., 500:401-418.
  • Kuwada S, Fitzpatrick D.C., Batra R and Ostapoff E-M. (2006) Sensitivity to interaural time differences in the dorsal nucleus of the lateral lemniscus of the unanesthetized rabbit: Comparison with other structures. J. Neurophysiol., 95:1309-22
  • Fitzpatrick, D.C., S. Kuwada, and R. Batra (2002) Transformations of interaural time difference processing between the superior olivary complex and IC: Beyond the Jeffress model. Hear. Res. 168:79-89.
  • Batra, R. and D.C. Fitzpatrick (2002) Monaural and Binaural Processing in the Ventral Nucleus of the Lateral Lemniscus:a Major Source of inhibition to the Inferior Colliculus. Hear. Res. In Press
  • Kuwada, S., J.A. Anderson, W.D. D’Angelo. D.C. Fitzpatrick and R. Batra (2002) Sources of the scalp-recorded amplitude-modulation following response. J Am Acad Audiol 13:188-204.
  • Batra R, Fitzpatrick D.C. (2002) Processing of interaural temporal disparities in the medial division of the ventral nucleus of the lateral lemniscus. J Neurophysiol 88:666-675.
  • Batra R., Fitzpatrick D.C. (2002) Monaural and binaural processing in the ventral nucleus of the lateral lemniscus: a major source of inhibition to the inferior colliculus. Hear Res 168:90-97.
  • Fitzpatrick D.C., Kuwada S., Batra R. (2002) Transformations in processing interaural time differences between the superior olivary complex and inferior colliculus: beyond the Jeffress model. Hear Res 168:79-89.
  • Fitzpatrick, D.C. and S. Kuwada (2001) Tuning to interaural time differences across frequency. J. Neurosci. 21:4844-4851.
  • Fitzpatrick, D.C., Batra, R., and S. Kuwada (2000) Representation of interaural time differences: Beyond the Jeffress model. J. Neurosci. 20: 1605-1615.