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Beth Smith, PT, DPT, PhD

Associate Professor of Pediatrics and Biokinesiology & Physical Therapy

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Email beth.smith@usc.edu
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Overview

Dr. Smith focuses on the development of neural control of movement during infancy and evaluates interventions for neural and functional development in infants with or at risk for developmental delay. She directs the Infant Neuromotor Control Laboratory.

Publications

  • Remote data collection of infant activity and sleep patterns via wearable sensors in the HEALthy Brain and Child Development Study (HBCD) Dev Cogn Neurosci. 2024 Oct; 69:101446. . View in PubMed
  • The Utility of Calibrating Wearable Sensors before Quantifying Infant Leg Movements Sensors (Basel). 2024 Sep 04; 24(17). . View in PubMed
  • Associating neuromotor outcomes at 12 months with wearable sensor measures collected during early infancy in rural Guatemala Gait Posture. 2024 Sep; 113:477-489. . View in PubMed
  • Accelerometer Thresholds for Estimating Physical Activity Intensity Levels in Infants: A Preliminary Study Sensors (Basel). 2024 Jul 09; 24(14). . View in PubMed
  • Similar early intervention referral rates following in-person administration of the Bayley Scales of Infant and Toddler Development, 4th Edition versus Telehealth Administration of the Developmental Assessment in Young Children, 2nd Edition in the high-risk infant population Early Hum Dev. 2024 Mar; 190:105971. . View in PubMed
  • Agreement Between the Gross Motor Ability Estimator-2 and the Gross Motor Ability Estimator-3 in Young Children With Cerebral Palsy Pediatr Phys Ther. 2024 Jan 01; 36(1):37-40. . View in PubMed
  • Early full-day leg movement kinematics and swaddling patterns in infants in rural Guatemala: A pilot study PLoS One. 2024; 19(2):e0298652. . View in PubMed
  • Associations between EEG power and coherence with cognition and early precursors of speech and language development across the first months of life PLoS One. 2024; 19(4):e0300382. . View in PubMed
  • Maternal perceived stress and infant behavior during the COVID-19 pandemic Pediatr Res. 2023 Dec; 94(6):2098-2104. . View in PubMed
  • An “Engage to Sustain” Intervention to Improve Process Performance Measures in Ambulatory Care J Ambul Care Manage. 2023 Oct-Dec 01; 46(4):284-297. . View in PubMed
  • Qualitative and Quantitative Measures of Joint Attention Development in the First Year of Life: A Scoping Review Infant Child Dev. 2023 Jul-Aug; 32(4). . View in PubMed
  • Correlation between performance and quantity/variability of leg exploration in a contingency learning task during infancy Infant Behav Dev. 2023 Feb; 70:101788. . View in PubMed
  • Barcoding, linear and nonlinear analysis of full-day leg movements in infants with typical development and infants at risk of developmental disabilities: Cross-sectional study Infancy. 2023 05; 28(3):650-666. . View in PubMed
  • Daily Quantity and Kinematic Characteristics of Leg Movement in a Child With SMA (2 Copies SMN2) Pediatr Phys Ther. 2023 10 01; 35(4):486-492. . View in PubMed
  • Locomotor learning in infants at high risk for cerebral palsy: A study protocol Front Pediatr. 2023; 11:891633. . View in PubMed
  • Commentary on “Association Between Baby Walker Use and Infant Functional Motor Development” Pediatr Phys Ther. 2023 04 01; 35(2):242. . View in PubMed
  • Disparities in insecurity, social support, and family relationships in association with poor mental health among US adults during the COVID-19 pandemic Sci Rep. 2023 06 15; 13(1):9731. . View in PubMed
  • Geotemporal analysis of perinatal care changes and maternal mental health: an example from the COVID-19 pandemic Arch Womens Ment Health. 2022 10; 25(5):943-956. . View in PubMed
  • Patient engagement in the development of CF-CBT: A cystic fibrosis-specific cognitive-behavioral intervention for adults Front Psychol. 2022; 13:937189. . View in PubMed
  • Outcomes and Hand Use of Reaching Attempts: Comparison of Infants at Risk for Developmental Disability and Infants With Typical Development Front Psychol. 2022; 13:712252. . View in PubMed
  • Behavioral coping phenotypes and associated psychosocial outcomes of pregnant and postpartum women during the COVID-19 pandemic Sci Rep. 2022 01 24; 12(1):1209. . View in PubMed
  • Leg Movement Rate before and after a Caregiver-Provided Intervention for Infants at Risk of Developmental Disability: A Pilot Study Phys Occup Ther Pediatr. 2022; 42(3):259-274. . View in PubMed
  • Infant Reaching in the First Year of Life: A Scoping Review of Typical Development and Examples of Atypical Development Phys Occup Ther Pediatr. 2022; 42(1):80-98. . View in PubMed
  • Impact of COVID-19 on mental health: Effects on screening, care delivery, and people with cystic fibrosis J Cyst Fibros. 2021 Dec; 20 Suppl 3:31-38. . View in PubMed
  • Changes in social support of pregnant and postnatal mothers during the COVID-19 pandemic Midwifery. 2021 Dec; 103:103162. . View in PubMed
  • Forging Ahead With Advocacy, Intentionality, and Adaptability J Nurses Prof Dev. 2021 Jul-Aug 01; 37(4):247-248. . View in PubMed
  • The Otteroo: A Case Series Exploring Its Potential to Support Physical Therapy Intervention in Infants with or at Risk for Developmental Delay Healthcare (Basel). 2021 Jan 21; 9(2). . View in PubMed
  • Using Wearable Sensor Technology to Measure Motion Complexity in Infants at High Familial Risk for Autism Spectrum Disorder Sensors (Basel). 2021 Jan 17; 21(2). . View in PubMed
  • Early Detection of Cognitive, Language, and Motor Delays for Low-Income Preterm Infants: A Brazilian Cohort Longitudinal Study on Infant Neurodevelopment and Maternal Practice Front Psychol. 2021; 12:753551. . View in PubMed
  • Electroencephalography measures of relative power and coherence as reaching skill emerges in infants born preterm Sci Rep. 2021 02 11; 11(1):3609. . View in PubMed
  • Collecting Infant Environmental and Experiential Data Using Smartphone Surveys Pediatr Phys Ther. 2021 01 01; 33(1):47-49. . View in PubMed
  • Leg Movement Rate Pre- and Post-Kicking Intervention in Infants with Down Syndrome Phys Occup Ther Pediatr. 2021; 41(6):590-600. . View in PubMed
  • How Many Days are Necessary to Represent Typical Daily Leg Movement Behavior for Infants at Risk of Developmental Disabilities? Sensors (Basel). 2020 Sep 18; 20(18).. View in PubMed
  • Infant Leg Activity Intensity Before and After Naps J Meas Phys Behav. 2020 Jun; 3(2):157-163. . View in PubMed
  • Neonatal Adverse Outcomes, Neonatal Birth Risks, and Socioeconomic Status: Combined Influence on Preterm Infants’ Cognitive, Language, and Motor Development in Brazil J Child Neurol. 2020 12; 35(14):989-998. . View in PubMed
  • Effectiveness of a home-based early cognitive-motor intervention provided in daycare, home care, and foster care settings: Changes in motor development and context affordances Early Hum Dev. 2020 12; 151:105223. . View in PubMed
  • Toward Predicting Infant Developmental Outcomes From Day-Long Inertial Motion Recordings IEEE Trans Neural Syst Rehabil Eng. 2020 10; 28(10):2305-2314. . View in PubMed
  • Beyond the neonatal intensive care unit: the impact of preterm birth Dev Med Child Neurol. 2020 10; 62(10):1117-1118. . View in PubMed
  • Quantitative Gait Analysis in Duplication 15q Syndrome and Nonsyndromic ASD Autism Res. 2020 07; 13(7):1102-1110. . View in PubMed
  • Quantifying Caregiver Movement when Measuring Infant Movement across a Full Day: A Case Report Sensors (Basel). 2019 Jun 29; 19(13). . View in PubMed
  • Sensor Measures of Symmetry Quantify Upper Limb Movement in the Natural Environment Across the Lifespan Arch Phys Med Rehabil. 2019 06; 100(6):1176-1183. . View in PubMed
  • Identification of Developmental Delay in Infants Using Wearable Sensors: Full-Day Leg Movement Statistical Feature Analysis IEEE J Transl Eng Health Med. 2019; 7:2800207. . View in PubMed
  • EVALUATION OF THE RHYTHMIC ARTS PROJECT, A MULTI-MODAL RHYTHM-BASED PERCEPTION AND ACTION INTERVENTION, IN A SCHOOL-BASED SETTING IN CHILDREN WITH AUTISM SPECTRUM DISORDERS J Am Acad Spec Educ Prof. 2019 Spring/Summer; 2019:171-179. . View in PubMed
  • How Many Days Are Necessary to Represent an Infant’s Typical Daily Leg Movement Behavior Using Wearable Sensors? Phys Ther. 2019 06 01; 99(6):730-738.. View in PubMed
  • Wearables for Pediatric Rehabilitation: How to Optimally Design and Use Products to Meet the Needs of Users Phys Ther. 2019 06 01; 99(6):647-657. . View in PubMed
  • Differences in Spontaneous Leg Movement Patterns Between Infants With Typical Development and Infants at Risk for Developmental Delay: Cross-sectional Observation Prior to Sitting Onset J Mot Learn Dev. 2018 Jun; 6(1):101-113. . View in PubMed
  • Determining if wearable sensors affect infant leg movement frequency Dev Neurorehabil. 2018 Feb; 21(2):133-136. . View in PubMed
  • Relationships between variance in electroencephalography relative power and developmental status in infants with typical development and at risk for developmental disability: An observational study Gates Open Res. 2018; 2:47. . View in PubMed
  • Electroencephalography power and coherence changes with age and motor skill development across the first half year of life PLoS One. 2018; 13(1):e0190276. . View in PubMed
  • Relationships between full-day arm movement characteristics and developmental status in infants with typical development as they learn to reach: An observational study Gates Open Res. 2018; 2:17. . View in PubMed
  • Development of a Wearable Sensor Algorithm to Detect the Quantity and Kinematic Characteristics of Infant Arm Movement Bouts Produced across a Full Day in the Natural Environment Technologies (Basel). 2017 Sep; 5(3). . View in PubMed
  • Implementing Nursing Professional Development: Scope and Standards of Practice (3rd Ed): One Organization’s Journey. J Nurses Prof Dev. 2017 Sep/Oct; 33(5):269-271. . View in PubMed
  • Sample Entropy Identifies Differences in Spontaneous Leg Movement Behavior between Infants with Typical Development and Infants at Risk of Developmental Delay Technologies (Basel). 2017 Sep; 5(3). . View in PubMed
  • Kinematic characteristics of infant leg movements produced across a full day J Rehabil Assist Technol Eng. 2017 Jan-Dec; 4. . View in PubMed
  • Consistency in Administration and Response for the Backward Push and Release Test: A Clinical Assessment of Postural Responses Physiother Res Int. 2016 Mar; 21(1):36-46. . View in PubMed
  • Immediate Effect of Positioning Devices on Infant Leg Movement Characteristics Pediatr Phys Ther. 2016; 28(3):304-10. . View in PubMed
  • Daily Quantity of Infant Leg Movement: Wearable Sensor Algorithm and Relationship to Walking Onset Sensors (Basel). 2015 Aug 04; 15(8):19006-20. . View in PubMed
  • Mobility and Ambulation for Patients with Pulmonary Artery Catheters: A Retrospective Descriptive Study J Acute Care Phys Ther. 2015 Aug; 6(2):64-70. . View in PubMed
  • Commentary on: “Standing Programs to Promote Hip Flexibility in Children With Spastic Diplegic Cerebral Palsy” Pediatr Phys Ther. 2015; 27(3):249. . View in PubMed
  • Effects of amplitude cueing on postural responses and preparatory cortical activity of people with Parkinson disease J Neurol Phys Ther. 2014 Oct; 38(4):207-15. . View in PubMed
  • Commentary on “measuring postural stability in young children with cerebral palsy: a comparison of 2 instruments” Pediatr Phys Ther. 2014; 26(3):338. . View in PubMed
  • Using a treadmill intervention to promote the onset of independent walking in infants with or at risk for neuromotor delay Phys Ther. 2013 Nov; 93(11):1441-6. . View in PubMed
  • Systematic review and evidence-based clinical recommendations for dosing of pediatric supported standing programs Pediatr Phys Ther. 2013; 25(3):232-47. . View in PubMed
  • Muscle activation patterns in infants with myelomeningocele stepping on a treadmill Pediatr Phys Ther. 2013; 25(3):278-89. . View in PubMed
  • Keeping your balance while balancing a cylinder: interaction between postural and voluntary goals Exp Brain Res. 2012 Nov; 223(1):79-87. . View in PubMed
  • Effects of magnitude and magnitude predictability of postural perturbations on preparatory cortical activity in older adults with and without Parkinson’s disease Exp Brain Res. 2012 Oct; 222(4):455-70. . View in PubMed
  • The interaction of postural and voluntary strategies for stability in Parkinson’s disease J Neurophysiol. 2012 Sep; 108(5):1244-52. . View in PubMed
  • Vibration-induced motor responses of infants with and without myelomeningocele Phys Ther. 2012 Apr; 92(4):537-50. . View in PubMed
  • Gait parameter adjustments for walking on a treadmill at preferred, slower, and faster speeds in older adults with down syndrome Curr Gerontol Geriatr Res. 2012; 2012:782671. . View in PubMed
  • Patterns of gait variability across the lifespan in persons with and without down syndrome J Neurol Phys Ther. 2011 Dec; 35(4):170-7. . View in PubMed
  • Effects of treadmill exercise on behavioral recovery and neural changes in the substantia nigra and striatum of the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine-lesioned mouse Brain Res. 2011 Apr 22; 1386:70-80. . View in PubMed
  • Impact of enhanced sensory input on treadmill step frequency: infants born with myelomeningocele Pediatr Phys Ther. 2011; 23(1):42-52. . View in PubMed
  • Approximate entropy values demonstrate impaired neuromotor control of spontaneous leg activity in infants with myelomeningocele Pediatr Phys Ther. 2011; 23(3):241-7. . View in PubMed
  • Gait adaptations in response to perturbations in adults with Down syndrome Gait Posture. 2010 Jun; 32(2):149-54. . View in PubMed
  • Physical therapists make accurate and appropriate discharge recommendations for patients who are acutely ill Phys Ther. 2010 May; 90(5):693-703. . View in PubMed
  • Lyapunov exponent and surrogation analysis of patterns of variability: profiles in new walkers with and without down syndrome Motor Control. 2010 Jan; 14(1):126-42. . View in PubMed
  • Stepping responses of infants with myelomeningocele when supported on a motorized treadmill Phys Ther. 2009 Jan; 89(1):60-72. . View in PubMed
  • Uncontrolled manifold analysis of segmental angle variability during walking: preadolescents with and without Down syndrome Exp Brain Res. 2007 Dec; 183(4):511-21. . View in PubMed
  • Effect of practice on a novel task–walking on a treadmill: preadolescents with and without Down syndrome Phys Ther. 2007 Jun; 87(6):766-77. . View in PubMed

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