Nina S. Bradley, PhD, PT

Associate Professor
Nina Bradley Web Photo 2012
Phone:

(323) 442-2910

Email:

Website:

Motor Control Development

Mailing Address:

: 1540 Alcazar St., CHP 155, Los Angeles, CA 90089-9006

Current Research:

Professional Interests
Dr. Bradley's research and teaching interests are in several areas of motor control, with an emphasis on developmental aspects of sensorimotor physiology, neuro-biomechanical interactions, and skill acquisition. She is director of the Motor Control Development Laboratory.

Education
  • University of Colorado, Boulder, CO, Postdoctoral fellow, Developmental Psychobiology, 1986-1988
  • University of California Los Angeles, CA, Ph.D., Kinesiology, 1986 
  • University of California Los Angeles, CA, M.S., Kinesiology, 1983
  • University of Southern California Los Angeles, CA, B.S., Physical Therapy, 1975
Selected Publications
  • Porterfield, Finley, Sindhurakar, Bradley, N.S. (2015) Drift during overground locomotion in newly hatched chicks varies with light exposure during embryogenesis. Developmental Psychobiology 57:459-469,doi:10.1002/dev.21306.
  • Bradley, N.S., Ryu,Y.U., Yeseta, M.C. (2014) Spontaneous Locomotor Activity in Late-Stage Chicken Embryos Is Modified by Stretch of Leg Muscles. Journal of Experimental Biology, 217:896-907. doi:10.1242/jeb.093567.
  • Sindhurakar, A., Bradley, N.S. (2012) Light Accelerates Morphogenesis and Acquisition of Interlimb Stepping in Chick Embryos. PLoS ONE7(12): e51348. doi:10.1371/journal.pone.0051348.
  • Sindhurakar, A., Bradley, N.S. (2010) Kinematic Analysis of Overground Locomotion in Chicks Incubated Under Different Light Conditions.Developmental Psychobiology 52:802-812, 2010. 
  •  Ryu YU, Bradley, NS. "Precocious locomotor behavior begins in the egg: development of leg muscle patterns for stepping in the chick", PLoS ONE 4(7): e6111. doi:10.1371/journal.pone.0006111, 2009.
  • Bradley NS, Ryu YU, Lin J. Fast locomotor burst generation in late stage embryonic motility. Journal of Neurophysiology 99:1733 – 1742, 2008.
  • Bradley NS, Westcott SL: Developmental aspects of motor control in skill acquisition. In: Physical Therapy for Children. A Comprehensive Reference for Pediatric Practice, 3rd Edition. Campbell S (Ed), WB Saunders, Philadelphia, 2006.
  • Oztop E, Bradley NS, Arbib M. The development of grasping and the mirror system. In: From Action To Language: Arbib M (Ed) Cambridge Press, 2006. 
  • Bradley NS, Solanki D, Zhao D: Limb movements during embryonic development in the chick: Evidence for a continuum in limb motor control antecedent to locomotion. Journal of Neurophysiology, 94:4401-4411, 2005.
  • Oztop E, Bradley NS, Arbib MA. Infant grasp learning: A computational model. Experimental Brain Research 158:480-503, 2004.
  • Bradley NS, Jahng DY. Selective Effects of Light Exposure on Distribution of Motility in the Chick Embryo at E18. Journal of Neurophysiology 90:1408-1417, 2003. 
  • Bradley NS. Editorial focus: Connecting the dots between animal and human studies of locomotion. Journal of Neurophysiology 90:2088-2089, 2003.
  • Bradley NS. Age-related changes and condition-dependent modifications in distribution of limb movements during embryonic motility. Journal of Neurophysiology 86: 1511-1522, 2001.
  • Bradley NS, Sebelski C. Ankle restraint alters motility at E12 in chick embryos. Journal of Neurophysiology 83:431-440, 2000.
  • Bradley NS. Developmental aspects of motor control in skill acquisition. In: Physical Therapy for Children. A Comprehensive Reference for Pediatric Practice, 2nd Edition. Campbell S (Ed), WB Saunders, Philadelphia, pages 45-87, 2000.
  • Bradley NS. Transformations in embryonic motility in chick: kinematic correlates of type I and II motility at E9 and E12, Journal of Neurophysiology 81:1486-1494, 1999.
  • Herman SI, Bradley NS. Interlimb differences in postural responses during symmetric and asymmetric stance. Neurology Report 23:44-51, 1999.
  • Bradley NS. Reduction in buoyancy alters parameters of motility in E9 chick embryos, Physiology & Behavior 62:591-595, 1997.
  • Chambers SH, Bradley NS, Orosz MD. A kinematic study of intra- and interlimb coordination during motility in chick at 9 embryonic days of age. Experimental Brain Research 103:218-226, 1995.
  • Bradley NS. Developmental aspects of motor control in skill acquisition. In: Physical Therapy for Children. A Comprehensive Reference for Pediatric Practice. Campbell S (Ed), WB Saunders, Philadelphia, pages 39-77, 1994.
  • Orosz MD, Bradley NS, Chambers SH. Correcting two-dimensional kinematic errors for chick embryonic movements in ovo. Computers in Biology and Medicine 24:305-314, 1994.
  • Bradley NS, Bekoff A. Development of coordinated movement in chicks: II. Temporal analysis of hindlimb muscle synergies in embryos with spinal gap transections at embryonic day 10. Journal of Neurobiology 23: 420-432, 1992.
  • Bradley NS. What are the principles of motor development? Medicine and Sport Science 36: 41-49, 1992.
  • Bradley NS, Bekoff A. Development of coordinated movement in chicks: I. Temporal analysis of hindlimb muscle synergies at embryonic days 9 and 10. Developmental Psychobiology 23: 763-782, 1990.
  • Bradley NS. Animal models offer the opportunity to acquire a new perspective on motor development. Physical Therapy 70: 776-787, 1990.
  • Bradley NS, Bekoff A. Development of locomotion: animal models. In: The Development of Posture and Gait Across the Lifespan. Woollacott M, Shumway-Cook A (Eds), University of South Carolina Press, Columbia, pages 48 to 73.
  • Bradley NS, Smith JL. Neuromuscular patterns of stereotypic hindlimb behaviors the first two postnatal months: I. Stepping in normal kittens. Developmental Brain Research 38: 37-52, 1988.
  • Bradley NS, Smith JL. Neuromuscular patterns of stereotypic hindlimb behaviors the first two postnatal months: II. Stepping in spinal kittens. Developmental Brain Research 38: 53-67, 1988.
  • Bradley NS, Smith JL. Neuromuscular patterns of stereotypic hindlimb behaviors the first two postnatal months: III. The scratch reflex and paw shake response in kittens. Developmental Brain Research 38: 69-82, 1988.
  • Thelen E, Bradley NS. Motor development: posture and locomotion. In: Handbook of Human Growth and Developmental Biology, Vol. 1. Timaras P, Meisami E (Eds), CRC Press, Boca Raton, pages 221 to 236, 1988.
  • Smith JL, Bradley NS, Carter MC, Giuliani CA, Hoy MG, Koshland GF, Zernicke RF. Rhythmical movements of the hindlimbs in spinal cat: considerations for a controlling network. In: Development and Plasticity of the Mammalian Spinal Cord. Goldberger M, Gorio A, Murray M (Eds), Liviana Press, Padova, pages 347 to 361, 1986.
  • Bradley NS, Smith JL. Early onset of hindlimb paw-shake responses in spinal kittens: new perspective in motor development. Developmental Brain Research 17: 301-303, 1985.
  • Bradley NS, Smith JL, Villablanca JR. Absence of hind limb tactile placing in spinal cats and kittens. Experimental Neurology 82: 73-88, 1983.