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Morton

Susanne M. Morton

Associate Professor
Department of Physical Therapy
University of Delaware
STAR Health Sciences Complex
540 S. College Ave. Suite 210Q
Newark, DE 19713
302-831-4235
smmorton@udel.edu


Education

  • 1994 University of Illinois - BS: Biology
  • 1998 Washington University in St Louis – MS: Physical Therapy
  • 2003 Washington University in St Louis – PhD: Movement Science
  • 2004 Johns Hopkins University - Post Doc: Neurology

Licensure/Certifications

1998-2009 Licensed Physical Therapist, Missouri (#117770)

2004-2009 Licensed Physical Therapist, Maryland (#21147)

2009-2013 Licensed Physical Therapist, Iowa (#003251)

2013-present Licensed Physical Therapist, Delaware (#J1-0003037)

2004-present American Heart Association, basic lifesaving CPR and AED program.

Professional History

  • Sept 2013-present - Associate Professor, tenure track, Department of Physical Therapy, University of Delaware College of Health Science.
  • 2008-2013 - Assistant Professor, tenure track, Department of Physical Therapy & Rehab Science, University of Iowa Carver College of Medicine.
  • 2006-2008 - Fellow, Human Cortical Physiology Section, NINDS, NIH.
  • 2004-2008 - Assistant Professor, non-tenure track, Department of Physical Therapy & Rehab Science and Department of Anatomy & Neurobiology, University of Maryland School of Medicine.
  • 1999-2001 - Staff Physical Therapist, part-time, Barnes-Jewis Hosp, St Louis MO.
  • 1998-1999 - Staff Physical Therapist, full-time, Barnes-Jewish Hosp, St Louis MO.

Honors/Awards

  • Patricia Leashy Award (PODS-I) for predoctoral research, APTA Neurol section / FPT. 2001.
  • Fellowship Award for predoctoral research, Recent Developments in Cerebellar Res. 2001.
  • PODS-II Scholarship Award for Predoctoral Research, Foundation for PT. 2002.

Professional Organizations/Societies

  • American Physical Therapy Association, Neurology & Research Sections, 1997-present.
  • Society for Neuroscience, 2000-present.
  • Foundation for Physical Therapy, Scientific Advisory Committee, 2007-present.
  • Society for the Neural Control of Movement, 2008-present.
  • American Physiological Society, Central Nervous System Section, 2010-present.
  • NIH Taskforce on Childhood Motor Disorders (Ataxia Group), 2012-present.

Selected Publications

  • PEER-REVIEWED ORIGINAL RESEARCH PAPERS
    • Morton SM, Lang CE, Bastian AJ. Inter- and intra-limb generalization of adaptation during catching. Exp Brain Res 141(4): 438-445, 2001.
    • Morton SM, Bastian AJ. Relative contributions of balance and voluntary leg coordination deficits to cerebellar gait ataxia. J Neurophysiol 89(4): 1844-1856, 2003.
    • Morton SM, Dordevic GS, Bastian AJ. Cerebellar damage produces context-dependent deficits in control of leg dynamics during obstacle avoidance. Exp Brain Res 156(2): 149-163, 2004.
    • Morton SM, Bastian AJ. Cerebellar control of balance and locomotion. Neuroscientist 10(3): 247-259, 2004.
    • Morton SM, Bastian AJ. Prism adaptation during walking generalizes to reaching and requires the cerebellum. J Neurophysiol 92(4): 2497-2509, 2004.
    • Mostofsky SH, Bunoski R, Morton SM, Goldberg M, Bastian AJ. Children with autism adapt normally during a catching task implicating the cerebellum. Neurocase 10(1): 60-64, 2004.
    • Morton SM, Bastian AJ. Cerebellar contributions to locomotor adaptations during splitbelt treadmill walking. J Neurosci 26(36): 9107-9116, 2006.
    • Morton SM, Bastian AJ. Mechanisms of cerebellar gait ataxia. Cerebellum 6(1): 79-86, 2007.
    • Savin DN, Morton SM. Asymmetric generalization between the arm and leg following prism-induced visuomotor adaptation. Exp Brain Res 186(1): 175-182, 2008.
    • Tseng S, Stanhope SJ, Morton SM. Impaired reactive stepping adjustments in older adults. J Gerontol A Biol Sci Med Sci 64(7): 807-815, 2009. [PMCID: PMC2691798]
    • Morton SM, Bastian AJ. Can rehabilitation help ataxia? Neurol 73(22): 1818-1819, 2009.
    • Tseng S, Stanhope SJ, Morton SM. Visuomotor adaptation of voluntary step initiation in older adults. Gait Posture 31(2): 180-184, 2010. [PMCID: PMC2818275]
    • Tseng S, Morton SM. Impaired interlimb coordination of voluntary leg movements in post-stroke hemiparesis. J Neurophysiol 104(1): 248-257, 2010. [PMCID: PMC2904219]
    • Morton SM, Tseng Y, Zackowski KM, Daline JR, Bastian AJ. Longitudinal tracking of gait and balance impairments in cerebellar disease. Mov Disord 25(12): 1944-1952, 2010. [PMCID: PMC2939173]
    • Reisman DS, Bastian AJ, Morton SM. Neurophysiologic and rehabilitation insights from the split-belt and other locomotor adaptation paradigms. Phys Ther 90(2): 187-195, 2010. [PMCID: PMC2816031]
    • Savin DN, Tseng S, Morton SM. Bilateral adaptation during locomotion following a unilaterally-applied resistance to swing in non-disabled adults. J Neurophysiol 104: 3600-3611, 2010. [PMCID: PMC3007627]
    • Harris-Love ML, Morton SM, Perez MA, Cohen LG. Mechanisms of short-term training-induced reaching improvement in severely hemiparetic stroke patients: a TMS study. Neurorehabil & Neural Repair 25(5): 398-411, 2011. [PMCID: PMC3098309]
    • Vasudevan EVL, Torres-Oviedo G, Morton SM, Yang JF, Bastian AJ. Younger is not always better: development of locomotor adaptation from childhood to adulthood. J Neurosci 31: 3055-3065, 2011. [PMCID: PMC3084584]
    • Savin DN, Tseng S, Whitall J, Morton SM. Poststroke hemiparesis impairs the rate but not magnitude of adaptation of spatial and temporal locomotor features. Neurorehabil & Neural Repair 27(1): 24-34, 2013.
    • Leira EC, Jorge RE, Coffey CS, Morton SM, Froehler MT, Davis PH, Adams HP Jr. The NIHSS supplementary motor scale: a valid tool for multidisciplinary recovery trials. Cerebrovas Dis 36(1): 69-73, 2013. [PMCID: In Progress]
    • Hussain SJ, Hanson AS, Tseng SC, Morton SM. A visuomotor adaptation including explicit knowledge and removal of postadaptation errors induced complete 24-hour retention. J Neurophysiol 110(4): 916-925, 2013 [PMCID: In Progress]
    • Musselman KE, Stoyanov CT, Marasigan R, Jenkins ME, Konczak J, Morton SM, Bastian AJ. Prevalence of ataxia in children: a systematic review. Neurol 82(1): 80-89, 2014.[PMCID: PMC3873624]
    • Savin DN, Morton SM, Whitall J. Generalization of improved step length symmetry from treadmill to overground walking in persons with stroke and hemiparesis. Clin Neurophysiol 125(5): 1012-1020, 2014.[PMCID: PMC3981945]
    • Hussain SJ, Morton SM. Perturbation schedule, independent of error size, alters memory of a locomotor adaptation across days. J Neurophysiol 110(4): 916-925, 2014. [PMCID: PMC4044439]
    • Fisher BE, Morton SM, Lang CE (2014). From Motor Learning to Physical Therapy and Back Again: The State of the Art and Science of Motor Learning Rehabilitation Research. Journal of Neurologic Physical Therapy, 38(3), 149-150. [PMCID: in progress]
  • CHAPTERS
    • Morton SM, Bastian AJ. Cerebellar lesions and effects on posture, locomotion and limb movement. In: Encyclopedia of Neuroscience, edited by Squire LR. Elsevier Ltd. 2009, p 717-722.
    • Morton SM, Bastian AJ. Movement dysfunction associated with cerebellar damage. In: Neurological Rehabilitation, 6th Ed. Umphred DA. Elsevier Ltd. 2013, p 631-649.
  • REVIEWS
    • Morton SM, Bastian AJ. Cerebellar control of balance and locomotion. Neuroscientist 10(3): 247-259, 2004.
    • Morton SM, Bastian AJ. Mechanisms of cerebellar gait ataxia. Cerebellum 6(1): 79-86, 2007.
    • Reisman DS, Bastian AJ, Morton SM. Neurophysiologic and rehabilitation insights from the split-belt and other locomotor adaptation paradigms. Phys Ther 90(2): 187-195, 2010. [PMCID: PMC2816031]
  • ABSTRACTS
    • Sahrmann S, Scheets P, Morton S, Norton B. Reliability, correlation, and relationship to function of measures of “tone” in patients with hemiparesis. CSM Phys Ther Abst 255, 1999.
    • Scheets P, Morton S, Sahrmann S, Norton B. Reliability, correlation, and relationship to function of measures of active motion in patients with hemiparesis. CSM Phys Ther Abst 256, 1999.
    • Morton SM, Lang CE, Bastian AJ. Intra- and inter-limb generalization of adaptation during catching. Soc Neurosci Abst 63.2, 2000.
    • Morton SM, Bastian AJ. Contributions of limb incoordination and postural control deficits to cerebellar gait ataxia. Soc Neurosci Abst 293.9, 2001.
    • Morton SM, Bastian AJ. Contributions of limb incoordination and postural control deficits to cerebellar gait ataxia. Recent Developments in Cerebellar Research Meeting, St. Louis MO, 2001.
    • Morton SM, Bastian AJ. Does cerebellar damage impair control of interaction torques during walking over obstacles? Soc Neurosci Abst 666.1, 2002.
    • Morton SM, Bastian AJ. Does cerebellar damage impair control of interaction torques during walking over obstacles? CSM Phys Ther Abst 2003.
    • Morton SM, Bastian AJ. Prism adaptation during walking generalizes to pointing and requires the cerebellum. Soc Neurosci Abst 822.7, 2003.
    • Kingsbury DJ, Morton SM, Bastian AJ. Visuomotor adaptation to prisms: features of walking that contribute to its generalization to reaching. Soc Neurosci Abst 415.15, 2004.
    • Morton SM, Bastian AJ. Cerebellar adaptation of locomotion: impaired adaptation during split-belt but not coupled treadmill locomotion. Soc Neurosci Abst 415.13, 2004.
    • Savin DN, Morton SM. Visuomotor adaptation: does the extent of generalization depend on the body part adapted? Soc Neurosci Abst 742, 2006.
    • Morton SM. Unilateral versus bilateral reciprocal ankle movements in individuals with post-stroke hemiparesis. Soc Neurosci Abst 557.7, 2006.
    • Tseng S-C, Morton SM, Stanhope SJ. Impaired reactive postural adjustments in the elderly during a visually-guided voluntary stepping task. Soc Neurosci Abst 81.15, 2007.
    • Harris-Love ML, Perez M, Morton S, Kapteyn R, Cohen L. Neural mechanisms of practice-induced improvement in functional reaching after moderate severity stroke. ASNR/ACRM Abst, 2008.
    • Harris-Love ML, Perez M, Morton S, Kapteyn R, Cohen L. Neural mechanisms of practice-induced improvements in functional reaching after moderate severity stroke. Soc Neurosci Abst 380.4, 2008.
    • Savin DN, Tseng S, Morton SM. Interlimb coupling during adaptation to a unilateral perturbation while walking: results in healthy adults and individuals with post-stoke hemiparesis. Soc Neurosci Abst 272.11, 2008.
    • Tseng SC, Stanhope SJ, Morton SM. Impaired postural adjustments to a predictable perturbation during step initiation in the elderly. Soc Neurosci Abst 275.17, 2008.
    • Williams WA, Tseng SC, Morton SM. Retention of a newly learned visuomotor adaptation. Committee on Institutional Cooperation SROP / U Iowa McNair’s Scholar’s Prog Conf 2009.
    • Tseng S, Morton SM. Adaptation and savings of a leg reaching visuomotor rotation task. Soc Neurosci Abst 369.23, 2009.
    • Cummins F, Ferris J, Goos B, Muff E, Plunkett R, Stagg J, Morton SM. Effects of stroke on adaptation and retention of a novel reaching task. U Iowa Grad Program in PT & Rehab Sci Research Day 2010.
    • Tseng S, Morton SM. Visually-driven adaptation of interlimb coordination during treadmill walking. Soc Neurosci Abst 687.23, 2010.
    • Savin DN, Tseng S, Morton SM. Bilateral motor adaptations in response to a unilateral leg perturbation during walking. CSM Phys Ther Abst 2011.
    • Crane S, Halfman D, Kirk S, Larsen C, Nelson J, Wedeking A, Morton SM. Generalization of prism throwing adaptations to different postures. PT & Rehab Sci Research Day, U Iowa 2011.
    • Hanson AS, Tseng S, Morton SM. Retention of a visually driven gait adaptation in healthy individuals. PT & Rehab Sci Research Day, U Iowa 2011.
    • Westemeyer B, Morton SM. Effects of primary motor cortex rTMS on corticospinal excitability and lower limb strength in healthy adults. Medical Student Research Program, Summer Research Fellowship Prog, U Iowa 2011.
    • Whitford M, Morton SM, Perez MA, Chan E, Cohen LG, Harris-Love ML. Unilateral and bilateral reaching practice post-stroke: preliminary single-session behavioral and neurophysiologic results Soc Neurosci Abst 2011.
    • Hanson AS, Tseng SC, Morton SM. Retention of a walking visuomotor adaptation in healthy adults. CSM Phys Ther Abst 2012.
    • Savin DN, Morton SM, Whitall J. Generalization of treadmill locomotor adaptation to overground walking in persons with stroke and hemiparesis. CSM Phys Ther Abst 2012.
    • Washington JD, Morton SM. Qualifying Reaching Deficits in Individuals with Stroke and Sensorimotor Impairments. Committee on Institutional Cooperation SROP / U Iowa McNair’s Scholar’s Prog Conf 2012.
    • Hussain SJ, Morton SM. The effect of gradual versus abrupt error feedback on 24-hour retention of a visuomotor locomotor adaptation. Soc Neurosci Abst 2012.
    • Leira EC, Coffey C, Jorge RE, Morton SM, Froehler MT, Davis PH, Adams HP. The supplementary motor scale of the NIHSS: a valid and efficient tool for multidisciplinary recovery trials. AHA Intl Stroke Conf 2013.
    • Chapman RM, Yen C-L, Morton SM. The effect of cathodal transcranial direct current stimulation (tDCS) on reaching movements in healthy adults. Soc Neurosci Abst 650.16, 2013.
    • Hussain SJ, Morton SM. The effect of gradual vs. abrupt perturbations on retention of a locomotor adaptation. Soc Neurosci Abst 749.14, 2013.
    • Yen C-L, Chapman RM, Morton SM. What repetitive transcranial magnetic stimulation parameters best induce short-term inhibition of primary motor cortex? Soc Neurosci Abst 468.06, 2013.
    • Li X, Morton SM. Effects of interference on implicit and explicit motor sequence learning. Soc Neurosci Abst 260.08, 2014.

INVITED LECTURES

  • “Relative contributions of leg ataxia and balance deficits to walking abnormalities in individuals with cerebellar damage”, Research Seminar, Washington University in St Louis Program in PT, St Louis MO. (2002).
  • “Cerebellar ataxia: impairments of movement coordination and motor learning”, National Ataxia Foundation Maryland Chapter Meeting, Silver Spring MD. (2002).
  • “Cerebellar contributions to locomotor adaptations during splitbelt treadmill walking”, Research Day Seminar, Univ of Maryland Dept PT & Rehab Science, Baltimore MD. (2006).
  • “Motor adaptation, motor learning and the effects of stroke on motor learning”. Rehabilitation Service Seminar, Univ of Maryland Medical Center, Baltimore MD. (2007).
  • “Cerebellar and corticospinal control of motor adaptations and interlimb coordination”, Movement Disorders Clinic Seminar, Univ of Maryland Medical Center, Baltimore MD. (2007).
  • Impaired reactive postural control in the healthy elderly”, The Science of Balance Rehabilitation: applications to prevent falls and improve postural stability in normal aging and neurologically impaired individuals, Scottsdale AZ. (2008).
  • “Motor adaptation: what can short-term motor adaptations tell us about long-term motor learning?”, University of Iowa Hospitals & Clinics Rehabilitation Therapies Lecture Series, Iowa City IA. (2008).
  • “Cerebellar motor control”, The Neural Control of Movement Course, Karolinska Institutet, Stockholm, Sweden. (2010).
  • “Mechanisms of human locomotor adaptations”, Marquette University Department of Physical Therapy, Marquette Challenge Speaker Series, Milwaukee WI. (2010).
  • “Motor adaptation for re-learning locomotor coordination following stroke”, University of Iowa Hospitals & Clinics Rehabilitation Therapies Lecture Series, Iowa City IA. (2011).
  • “Cerebellar Rehabilitation”, APTA Neurologic PT Professional Education Consortium Webinar (nationally viewed). (2012).
  • “Physical Rehabilitation for Individuals with Cerebellar Dysfunction”, Gentiva Health Services Continuing Education Series, Cedar Rapids, IA. (2012).
  • “Cerebellar Rehabilitation”, APTA Neurologic PT Professional Education Consortium Webinar (nationally viewed). (2013).
  • “Mechanisms of Cerebellar and Sensory Ataxia”, International Symposium on Gait and Balance in Multiple Sclerosis, St. Louis. MO. (2013).
  • “Measurement Tolls for Assessing Gait Ataxia”, International Symposium on Gait and Balance in Multiple Sclerosis, St. Louis. MO. (2013).
  • “Physical Rehabilitation for Cerebellar Dysfunction”, APTA Neurologic PT Professional Education Consortium. Webinar (2 hr, 09/2014) and Onsite (4 hr, 11/2014) Presentation.

Service

  • PROFESSIONAL SERVICE
    • JOURNAL REVIEWER
      • Phys Ther, 2003-present.
      • IEEE Trans Neural Syst Rehabil Eng; Exp Brain Res, 2004-present.
      • J Neurophysiol; Arch Phys Med Rehabil, 2005-present.
      • Q J Exp Psych;   Somatosens Motor Res; J Neurologic Phys Ther, 2006-present.
      • Percept Motor Skills Psych Res, 2007-present.
      • Exper Neurol, 2008-present.
      • Cerebellum; J Applied Biomech; Neurorehabil & Neural Rep, 2009-present.
      • Clin Biomech;   Amer J Phys Med Rehabil, 2011-present.
    • JOURNAL EDITOR
      • Journal of Neurologic PT (Special Issue on Motor Learning, guest editor), 2013.
    • GRANT REVIEWER
      • Ataxia UK (UK), 2006.
      • Chartered Society of Physiotherapy (UK), 2007-2010.
      • NIH, Sensory, Motor & Cognitive Neurosci Fellowship Study Sect (ad hoc 7/11, 10/11, 2/12, 6/12), 2011-present.
      • NIH, Minority Biomedical Research Support Behavioral Applications Study Sect (ad hoc 10/11), 2011.
      • Medical Research Council (UK, ad hoc 12/11), 2011.
  • CONTRIBUTION TO INSTITUTIONAL PROGRAMS
    • PREVIOUS SERVICE (University of Iowa)
      • Member, Department Curriculum & Instruction Committee, 2008-2013.
      • Member, Department Faculty, Staff & Student Affairs Committee, 2008-2010.
      • Member, Department Research & Development Committee, 2008-2010
        Mentor, SROP / McNair’s Scholars Program, Summer Research Program, 2009, 2012.
      • Member, Graduate College Scholarly Integrity Task Force II, 2009-2010.
      • Member, Department DPT Admissions Subcommittee, 2009-2012.
      • Member, Department Interview selection group & Interviewer, 2009-2012.
      • Member, Department Extended Clinical Education Program Task Force, 2010-2013.
      • Member, Biosciences Program Admissions Committee, 2010-2013.
      • Chair, Department Research & Development Committee, 2011-2013.
      • Chair, Department PhD in Physical Rehabilitation Science Program, 2011-2013.
      • Interviewer, Department DPT Admissions, 2012-2013.
    • CURRENT SERVICE (University of Delaware)
      • Member, UD MRI Facility Task Force, 2013-present.
      • Member, UD PT Department Curriculum Committee, 2013-present.
      • Member, UD PT Department Faculty Search Committee, 2013-2014.

    Teaching Experience

    • Course Instructor: Clinical Neuroscience (PHYT 623).

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