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    Teresa V Mitchell PhD

    TitleAssistant Professor
    InstitutionUniversity of Massachusetts Medical School
    DepartmentPsychiatry
    AddressEunice Kennedy Shriver Center
    55 Lake Avenue North, S3-301
    Worcester MA 01655
    Phone774-455-4024
      Other Positions
      InstitutionUMMS - Graduate School of Biomedical Sciences
      DepartmentNeuroscience

      InstitutionUMMS - Programs, Centers and Institutes
      DepartmentShriver Center

        Overview 
        Narrative

        Academic Background

        University of North Carolina at Chapel Hill
        Bachelor of Arts, Psychology, 1987

        New York University
        Master of Arts, Counseling and Deafness Rehabilitation, 1991

        Indiana University
        Doctor of Philosophy, Developmental Psychology, 1996

        POST-DOCTORAL TRAINING:
        University of Oregon, Department of Psychology, January, 1997 – December, 1999
        Postdoctoral Research Fellow - Brain Development Lab, Dr. Helen Neville
        Duke-UNC Brain Imaging and Analysis Center, January, 2000 – November, 2002
        Research Associate - Duke University Medical Center, Dr. Gregory McCarthy & University of North Carolina at Chapel Hill, Department of Psychiatry, Dr. Aysenil Belger

        Current Appointments:

        Assistant Professor, Dept. of Psychiatry, University of Massachusetts Medical School

        Research InterestsTeresa Mitchell, Ph.D.

        Ongoing Projects:

        Cross-Modal Development and Plasticity

        Dr. Mitchell's research centers around a central theme: what happens to the brain and behavior when development differs from the norm, and how can the course and outcome of that atypical development shed light on basic principles of developmental change? One important line of work in her laboratory investigates cross-modal plasticity, specifically how and whether the visual modality adapts to compensate for the absence of auditory input and experience. In these studies, hearing and deaf individuals of the same age perform tasks in which they attend to and respond to particular visual information, such as random-dot motion, color, or faces. The aim is to document what functions differ between the deaf and hearing populations, and when in development those differences appear. Three major techniques are used in the laboratory: 1) behavioral measures such as reaction time and accuracy, 2) event-related potentials (ERPs), or the recording of the brain’s electrical activity in response to the stimuli and tasks, or 3) functional MRI, which tracks changes in the flow of oxygenated blood throughout the brain in response the stimuli and tasks. These measures are powerful for assessing whether visual performance differs between deaf and hearing individuals, and for providing clues as to what the neural substrates of those differences are. Past research has shown that deaf individuals are faster and/or more accurate in responding to motion and produce larger ERPs and fMRI signals than hearing individuals, but that deaf and hearing individuals produce similar responses to color stimuli. This suggests that visual compensation is not global and may be specific to certain functions and/or visual pathways. Recent work shows that this population difference seems to emerge during elementary school years, which suggests that the compensation is a product of cumulative visual experience in the absence of auditory input. This research program has important implications for understanding how intrinsic maturational timetables and extrinsic experiential factors interact across the course of development to influence the structure and function of brain and behavior.



        Bibliographic 
        selected publications
        List All   |   Timeline
        1. Letourneau SM, Mitchell TV. Visual field bias in hearing and deaf adults during judgments of facial expression and identity. Front Psychol. 2013; 4:319.
          View in: PubMed
        2. Mitchell TV, Letourneau SM, Maslin MC. Behavioral and neural evidence of increased attention to the bottom half of the face in deaf signers. Restor Neurol Neurosci. 2013 Jan 1; 31(2):125-39.
          View in: PubMed
        3. Letourneau SM, Mitchell TV. Gaze patterns during identity and emotion judgments in hearing adults and deaf users of American Sign Language. Perception. 2011; 40(5):563-75.
          View in: PubMed
        4. Gilley PM, Sharma A, Mitchell TV, Dorman MF. The influence of a sensitive period for auditory-visual integration in children with cochlear implants. Restor Neurol Neurosci. 2010 Jan 1; 28(2):207-18.
          View in: PubMed
        5. Letourneau SM, Mitchell TV. Behavioral and ERP measures of holistic face processing in a composite task. Brain Cogn. 2008 Jul; 67(2):234-45.
          View in: PubMed
        6. Morey RA, Mitchell TV, Inan S, Lieberman JA, Belger A. Neural correlates of automatic and controlled auditory processing in schizophrenia. J Neuropsychiatry Clin Neurosci. 2008; 20(4):419-30.
          View in: PubMed
        7. Mitchell, T.V. Cross-modal plasticity in development: The case of deafness. In C. A. Nelson, & M. Luciana (Eds.), Handbook of developmental cognitive neuroscience. 2008; 439-452.
        8. Mitchell TV, Maslin MT. How vision matters for individuals with hearing loss. Int J Audiol. 2007 Sep; 46(9):500-11.
          View in: PubMed
        9. Mitchell TV, Morey RA, Inan S, Belger A. Functional magnetic resonance imaging measure of automatic and controlled auditory processing. Neuroreport. 2005 Apr 4; 16(5):457-61.
          View in: PubMed
        10. Morey RA, Inan S, Mitchell TV, Perkins DO, Lieberman JA, Belger A. Imaging frontostriatal function in ultra-high-risk, early, and chronic schizophrenia during executive processing. Arch Gen Psychiatry. 2005 Mar; 62(3):254-62.
          View in: PubMed
        11. Mitchell TV, Neville HJ. Asynchronies in the development of electrophysiological responses to motion and color. J Cogn Neurosci. 2004 Oct; 16(8):1363-74.
          View in: PubMed
        12. Inan S, Mitchell T, Song A, Bizzell J, Belger A. Hemodynamic correlates of stimulus repetition in the visual and auditory cortices: an fMRI study. Neuroimage. 2004 Mar; 21(3):886-93.
          View in: PubMed
        13. Pelphrey KA, Mitchell TV, McKeown MJ, Goldstein J, Allison T, McCarthy G. Brain activity evoked by the perception of human walking: controlling for meaningful coherent motion. J Neurosci. 2003 Jul 30; 23(17):6819-25.
          View in: PubMed
        14. Armstrong BA, Neville HJ, Hillyard SA, Mitchell TV. Auditory deprivation affects processing of motion, but not color. Brain Res Cogn Brain Res. 2002 Nov; 14(3):422-34.
          View in: PubMed
        15. Lewis DV, Barboriak DP, MacFall JR, Provenzale JM, Mitchell TV, VanLandingham KE. Do prolonged febrile seizures produce medial temporal sclerosis? Hypotheses, MRI evidence and unanswered questions. Prog Brain Res. 2002; 135:263-78.
          View in: PubMed
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