Publications

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Recent

Dalecki M, Usand J, Sergio LE, vanGemmert A (2020) Motor deficits in youth with concussion history: issues with task novelty or task demand? (Accepted, Int. J. Sports Med.)

Hurtubise JM, Gorbet DJ, Hynes L, Macpherson AK, Sergio LE (2020) White matter integrity and its relationship to cognitive-motor integration in females with and without post-concussion syndrome (In press, Journal of Neurotrauma, https://doi.org/10.1089/neu.2019.6765

Echlin HE, Gorbet DJ, Sergio LE (2020) Assessment of a Cognitive-Motor Training Program in Adults At-Risk for Developing Dementia (in press, Canadian Geriatrics Journal)

2010's

Fueger C, Petrovska L, Heuer S, Sergio LE, Huddleston WE (2019) Remote concussion history does not affect visually-guided reaching in young adult females. Concussion Dec.2019 4:3, https://doi.org/10.2217/cnc-2019-0007

Rogojin A, Gorbet DJ, Sergio LE (2019) Sex, APOE, and dementia family history: Relationship between dementia risk and cognitive-motor integration performance. J. Alz. Dis. 71:685-701. doi 10.3233/jad-190403

Kang M, Bladon J, Sergio LE (2019) Group format rehabilitation is equally effective as individual therapy in patients with surgically repaired rotator cuff tears. Physiother Res Int. e1795:1-6 https://doi.org/10.1002/pri.1795

Dalecki M, Gorbet DJ, Macpherson AK, Sergio LE (2019) Sport experience is correlated with complex motor skill recovery in youth following concussion. Eur J Sport Sci. Mar 17:1-10. doi: 10.1080/17461391.2019.1584249.

Dalecki M, Gorbet DJ, Sergio LE (2019) Development of rule-based eye-hand-decoupling in children and adolescents. Child Neuropsychol. 2019 Feb 21:1-18. doi: 10.1080/09297049.2019.1578342.

Gorbet DJ, Sergio LE (2019) Looking up while reaching out: the neural correlates of making eye and arm movements in different spatial planes. Exp Brain Res. Jan;237(1):57-70. doi: 10.1007/s00221-018-5395-z.

Matveev R, Sergio L, Fraser-Thomas J, Macpherson AK.(2018) Trends in concussions at Ontario schools prior to and subsequent to the introduction of a concussion policy - an analysis of the Canadian hospitals injury reporting and prevention program from 2009 to 2016. BMC Public Health.doi: 10.1186/s12889-018-6232-9

De Boer C, Echlin HV, Rogojin A, Baltaretu BR, Sergio LE (2018) Thinking-while-moving exercises improves cognition in elderly with mild cognitive deficits: a proof-of-principle study Dem.Ger. Cog. Disord. Ex.8:248-258;doi: 10.1159/000490173

Gorbet DJ, Sergio LE (2018) Move Faster, Think Later: Women Who Play Action Video Games Have Quicker Visually-Guided Responses With Later Onset Visuomotor-Related Brain Activity. PLoS ONE 13(1): e0189110. https://doi.org/10.1371/journal.pone.0189110

Van Wijngaarden A, Dalecki M, Hawkins KM, Macpherson AK, Sergio LE (2018) Comparison of Cognitive Motor Integration Deficits Associated with Concussion and Alzheimer’s Disease Risk. JJ Neur Neurosci 2018; 5(4): 037.

Hurtubise J, Hughes C, Sergio LE, Macpherson AK (2018) A comparison of baseline and post-concussion SCAT3 scores and symptoms in varsity athletes:  An investigation into differences by sex and history of concussion BMJ Open Sport Exerc Med. Mar 21;4(1):e000312. doi: 10.1136/bmjsem-2017-000312

Sayegh P, Hawkins KL, Gorbet DJ, Hoffman K, Sergio LE (2017) Spike-field coherency between premotor and  parietal cortices is affected by decoupling eye-hand coordination J Cogn Neurosci. Jul;29(7):1194-1211.

Black A, Sergio LE, Macpherson AK  (2017) The Epidemiology of Concussions: Number and nature of concussions and time to recovery among female and male Canadian varsity athletes 2008-2011. Clin J Sport Med Jan;27(1):52-56

Hurtubise J, Hamandi Y, Hughes C, Macpherson AK, Sergio LE  (2016) Cognitive-motor integration in elite athletes with a history of concussion. Concussion,Vol.1(3),DOI 10.2217/cnc-2016-0006

Albines D, Granek JA, Gorbet DJ, Sergio LE (2016) Experience-, and sex-related differences in bimanual coordination development. J. Motor Learning and Development Dec. 2016, Vol.4(2),pp.274-286 doi: 10.1123/jmld.2015-0038

Hawkins KM, Sergio LE (2016) Changes in resting-state functional connectivity associated with cognitive-motor impairment in older adults at increased Alzheimer’s disease risk. J. Alz. Dis.; Jun 18;53(3):1161-72. DOI: 10.3233/JAD-151137)

Dalecki M, Hughes C, Macphersion AK, Sergio LE (2016) Prolonged cognitive-motor impairments in children and adolescents with a history of concussion.Concussion Vol.1(3)DOI: 10.2217/cnc-2016-0001)

Gorbet DJ, Sergio LE (2016) Don’t watch where you’re going:The neural correlates of decoupling eye and arm movements. Behav Brain Res. 298b: 229-240, doi: 10.1016/ j.bbr.2015.11.012

Brown J, Dalecki MS, Hughes C, Macpherson AK, Sergio LE (2015) Cognitive-motor integration deficits in young adult athletes following concussion. BMC Sports Science, Medicine, and Rehabilitation 2015 Oct 19;7:25:1-12. doi: 10.1186/s13102-015-0019-4.

Granek JA, Sergio LE (2015) Different brain pathways for strategic control versus sensorimotor recalibration: Evidence from a dual task reach paradigm. J. Neurophysiol. Aug;114(2):1298-309

Perry CJ, Sergio LE, Crawford JD, Fallah M (2015) Hand placement near the visual stimulus improves orientation selectivity in V2 neurons. J. Neurophysiol. 113(7):2859-2870.

Hawkins KL, Goyal A, Sergio LE (2015) Diffusion tensor imaging correlates of cognitive-motor decline in normal aging and increased Alzheimer’s disease risk. J. Alz. Dis. 44(3):867-878.

Hawkins KL, Sergio LE (2014) Visuomotor impairments in older adults at increased Alzheimer’s disease risk. Journal of Alzheimer’s Disease. 42(2):607-621.

Sayegh P, Hawkins KL, Neagu B, Crawford JD, Hoffman K, Sergio LE. (2014) Decoupling the actions of the eyes from the hand alters beta and gamma synchrony within SPL. J.Neurophysiol.June Vol. 111(2):2210-2221

Granek JA, Pisella L, Vighetto A, Stemburger J, Rossetti Y, Sergio LE. (2013) Decoupled visually-guided reaching in optic ataxia: differences in motor control between canonical and non-canonical orientations in space. PLoS ONE 8(12): e86138.

Sayegh P, Hawkins KL, Hoffman KL,  Sergio LE (2013) Differences in spectral profiles between rostral and caudal premotor cortex when hand-eye actions are decoupled. J. Neurophysiol. Aug:110(2):952-963.

Hawkins KM, Sayegh P, Yan X, Crawford JD, Sergio LE (2013) Neural activity in superior parietal cortex during rule-based visual-motor transformations. J.Cogn.Neurosci. Mar;25(3):436-54.

Tippett WJ, Alexander LD, Rizkalla MN, Sergio LE, Black SE. (2013) True functional ability of chronic stroke patients.J Neuroeng Rehabil. Feb 13;10(1):20.

Granek JA, Pisella L, Blangero A, Rossetti Y, Sergio LE. (2012) The role of the superior parietal lobule in updating hand location in peripheral vision: further evidence from optic ataxia.PLoSOne, Oct;7(10):e46619.

Tippett WJ ,Sergio LE ,Black SE (2012) Compromised visually guided motor control in individuals with Alzheimer's disease: can reliable distinctions be observed?J.Clin.Neurosci. 19(5):655-660.

Salek Y, Anderson N, Sergio LE (2011)  Mild cognitive impairment is associated with impaired visual-motor planning when visual stimuli and actions are incongruent. Eur. Neurol. 66(5):283-293.

2000's

Vesia M, Prime S, Yan X, Sergio LE, Crawford JD (2010) Specificity of human parietal saccade and reach regions during transcranial magnetic stimulation. J. Neurosc. Oct. 30: 13053-13065.

Granek J, Gorbet DJ, Sergio LE (2010) Extensive video game experience alters the cortical networks for complex visually-guided reaching. Cortex Oct. 46(9): 1165-1177.

Pisella L, Sergio LE, Blangero A, Torchin H, Vighetto A,  Rossetti Y (2009) Optic Ataxia and the functions of the dorsal stream: When does the dorsal stream contribute to perception and action. Neuropsychologia, Dec; 47(14): 3033-44.

Gorbet DJ, Sergio LE (2009) The behavioral consequences of dissociating the spatial directions of eye and arm movements I: The effects of anti-pointing. Brain Research, Aug 11;1284:77-88.

Ting JA, D’Souza A, Yamamoto K, Yoshioka T, Hoffman D, Kakei S, Sergio LE, Kalaska JF, Kawato M, Strick P, Schaal S. (2008) Using variational Bayesian least squares for EMG data prediction from M1 and premotor cortex neural firing. Neural Networks Oct;21(8):1112-31.

Vesia M, Yan X, Henriques DY, Sergio LE, Crawford JD (2008) Transcranial magnetic stimulation over posterior parietal cortex disrupts the integration of initial hand position information into the reach plan. J. Neurophysiol.  Oct; 100:2005-2014.

Ajemian R, Green A, Bullock D, Sergio L, Kalaska J, Grossberg S. (2008)  Assessing the function of motor cortex: single-neuron models of how neural response is modulated by limb biomechanics. Neuron. May 8;58(3):414-28.

Gorbet DJ, Sergio LE (2007) Preliminary sex differences in human cortical BOLD fMRI activity during the preparation of increasingly complex visually guided movements Eur. J. Neurosci. Feb;25:1228-1239.

Tippett WJ, Krajewski A, Sergio LE (2007) Visuomotor integration is compromised in Alzheimer's disease patients reaching to remembered targets Eur. Neurology. May; 58(1):1-11.

Vesia M, Monteon J, Sergio LE, Crawford JD (2006). Hemispheric Asymmetry in Memory-guided Pointing during Single-pulse Transcranial Magnetic Stimulation of Human Parietal Cortex. J. Neurophysiol. Dec;96(6):3016-27.

Tippett WJ, Sergio LE (2006) Impaired visuomotor integration in early stage Alzheimer’s disease. Brain res. August,1102(1):92-102.

Ren L, Khan A, Blohm G, Sergio L, Henriques D, Crawford D (2006) Proprioceptive guidance of saccades in eye-hand coordination. J. Neurophysiol. August, 96:1464-1477.

Hamel-Paquet C, Sergio LE,  Kalaska JF (2006). Parietal area 5 activity does not reflect the differential time course of motor output kinetics during arm-reaching and isometric-force tasks. J. Neurophysiol. 95: 3353-3370.

McCullough, K. L., Granek, J. A., & Sergio, L. E. (2006). Visuomotor skill performance asymmetries related to sex and athletic experience. Applied physiol nutr and metab,31,S57.

Sergio LE, Hamel-Paquet C, Kalaska JF. (2005) Motor cortex neural correlates of output kinematics and kinetics during isometric-force and arm-reaching tasks. J Neurophysiol. 94: 2353-2378.

Vesia M, Vander H, Yan X, and  Sergio, LE. (2005) The time course for kinetic versus kinematic planning of goal-directed human motor behavior. Exp Brain Res. Jan;160(3):290-301.

Gorbet DJ, Staines WR, Sergio LE (2004) Brain mechanisms for preparing increasingly complex sensory to motor transformations. Neuroimage: Nov;23(3):1100-11.

Petitto LA, Holowka S, Sergio LE, Levy B, Ostry D (2004) Baby hands that move to the rhythm of language: hearing babies acquiring sign languages babble silently on the hands. Cognition  Aug;93:43-73.

Waechter R, Sergio LE (2004) Manipulation of the Electromagnetic spectrum via Fields Projected from Human Hands. Subtle Energies and Energy Medicine, 13:233-250.

Sergio LE, Kalaska JF (2003) Systematic changes in motor cortex cell activity with arm posture during directional isometric force generation. J. Neurophysiol. 89:212-228.

Petitto LA, Holowka S, Sergio LE, Ostry D (2001) Language rhythms in baby hand movements. Nature 413:35-36.

The 90's!

Sergio LE, Kalaska JF (1998) Changes in the temporal pattern of primary motor cortex activity in a directional isometric force versus limb movement task. J. Neurophysiol. 80:1577-1583.

Sergio LE, Scott SH (1998) Hand and joint paths during reaching movements with and without vision. Exp. Br. Res. 122:157-164.

Scott SH, Sergio LE, Kalaska JF (1997)  Reaching movements with similar hand paths but different arm orientations. II. Activity of individual cells in dorsal premotor and parietal area 5 cortex. J. Neurophysiol. 78(5):2413‑2426.

Sergio LE, Kalaska JF (1997) Systematic changes in directional tuning of motor cortex cell activity with hand location in the workspace during generation of static isometric forces in constant spatial directions. J. Neurophysiol. 78: 1170-1174.

Sergio LE, Ostry DJ (1995) Coordination of multiple muscles in two degree of freedom elbow movements. Exp. Br. Res. 105: 123-137.

Sergio LE, Ostry DJ (1994) Coordination of mono- and bi-articular muscles in multi-degree of freedom elbow movements. Exp. Br. Res. 97: 551-555.

Sergio LE, Ostry DJ (1993) Three-dimensional kinematic analysis of frog hindlimb movement in reflex wiping. Exp. Br. Res. 94: 53-64.

Ostry DJ, Flanagan JR, Sergio LE (1992) Coordinate transformation in orofacial movements. Beh. Br. Sci. 15: 348-349.