Juan Fernandez-Ruiz

Summary

Country: Mexico

Publications

  1. pmc Sex-related differences in motor learning and performance
    Pablo Moreno-Briseño
    Departamento de Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, Mexico
    Behav Brain Funct 6:74. 2010
  2. pmc Motor decline in clinically presymptomatic spinocerebellar ataxia type 2 gene carriers
    Luis Velázquez-Perez
    Centro para la Investigación y Rehabilitación de las Ataxias Hereditarias, Holguin, Cuba
    PLoS ONE 4:e5398. 2009
  3. ncbi request reprint Prism adaptation in normal aging: slower adaptation rate and larger aftereffect
    J Fernandez-Ruiz
    Departamento de Fisiolog ia, Facultad de Medicina, Universidad Nacional Aut onoma de M exico, D F, C P 04510, Mexico, Mexico
    Brain Res Cogn Brain Res 9:223-6. 2000
  4. doi request reprint Relation between reaction time and reach errors during visuomotor adaptation
    Juan Fernandez-Ruiz
    Departamento de Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, Ciudad de Mexico, Distrito Federal, Mexico
    Behav Brain Res 219:8-14. 2011
  5. ncbi request reprint Prism adaptation in spinocerebellar ataxia type 2
    Juan Fernandez-Ruiz
    Laboratorio de Neuropsicología, Departamento de Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, Mexico
    Neuropsychologia 45:2692-8. 2007
  6. ncbi request reprint Rapid topographical plasticity of the visuomotor spatial transformation
    Juan Fernandez-Ruiz
    Departamento de Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, 04510 Mexico D F, Mexico
    J Neurosci 26:1986-90. 2006
  7. ncbi request reprint Decay of prism aftereffects under passive and active conditions
    Juan Fernandez-Ruiz
    Departamento de Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, Ciudad Universitaria CP 04510, Mexico City, D F, Apartado Postal 70 250, Mexico
    Brain Res Cogn Brain Res 20:92-7. 2004
  8. pmc Learning motor synergies makes use of information on muscular load
    J Fernandez-Ruiz
    Laboratorio de Neuropsicología, Departamento de Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, 04510 Mexico D F, Mexico
    Learn Mem 7:193-8. 2000
  9. ncbi request reprint Normal prism adaptation but reduced after-effect in basal ganglia disorders using a throwing task
    J Fernandez-Ruiz
    Laboratorio de Neuropsicología, Departamento de Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, A P 70 250, México D F C P 04510, Mexico
    Eur J Neurosci 18:689-94. 2003
  10. ncbi request reprint Olfactory dysfunction in hereditary ataxia and basal ganglia disorders
    Juan Fernandez-Ruiz
    Depto Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, Mexico D F, AP 70 250
    Neuroreport 14:1339-41. 2003

Collaborators

Detail Information

Publications19

  1. pmc Sex-related differences in motor learning and performance
    Pablo Moreno-Briseño
    Departamento de Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, Mexico
    Behav Brain Funct 6:74. 2010
    ..These results suggest that different learning mechanisms, like strategic calibration and spatial alignment, may have different contributions in men and women...
  2. pmc Motor decline in clinically presymptomatic spinocerebellar ataxia type 2 gene carriers
    Luis Velázquez-Perez
    Centro para la Investigación y Rehabilitación de las Ataxias Hereditarias, Holguin, Cuba
    PLoS ONE 4:e5398. 2009
    ....
  3. ncbi request reprint Prism adaptation in normal aging: slower adaptation rate and larger aftereffect
    J Fernandez-Ruiz
    Departamento de Fisiolog ia, Facultad de Medicina, Universidad Nacional Aut onoma de M exico, D F, C P 04510, Mexico, Mexico
    Brain Res Cogn Brain Res 9:223-6. 2000
    ..These findings suggest that the aftereffect requires the involvement of non-cognitive and cognitive processes and indicate that both adaptation and aftereffect are influenced by aging...
  4. doi request reprint Relation between reaction time and reach errors during visuomotor adaptation
    Juan Fernandez-Ruiz
    Departamento de Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, Ciudad de Mexico, Distrito Federal, Mexico
    Behav Brain Res 219:8-14. 2011
    ..Possible candidates are processes related to spatial working memory, and more specifically, to mental rotation...
  5. ncbi request reprint Prism adaptation in spinocerebellar ataxia type 2
    Juan Fernandez-Ruiz
    Laboratorio de Neuropsicología, Departamento de Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, Mexico
    Neuropsychologia 45:2692-8. 2007
    ..Our results suggest that the neural areas subserving spatial realignment are spared in this form of spinocerebellar ataxia...
  6. ncbi request reprint Rapid topographical plasticity of the visuomotor spatial transformation
    Juan Fernandez-Ruiz
    Departamento de Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, 04510 Mexico D F, Mexico
    J Neurosci 26:1986-90. 2006
    ..These results provide strong evidence for rapid topographical plasticity that can modify space transformations between two different modalities...
  7. ncbi request reprint Decay of prism aftereffects under passive and active conditions
    Juan Fernandez-Ruiz
    Departamento de Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, Ciudad Universitaria CP 04510, Mexico City, D F, Apartado Postal 70 250, Mexico
    Brain Res Cogn Brain Res 20:92-7. 2004
    ..These data suggests that two different memory processes may contribute to the aftereffect, one showing a fast decay mainly within 1 min, and another that shows a stable endurance for more than 20 min...
  8. pmc Learning motor synergies makes use of information on muscular load
    J Fernandez-Ruiz
    Laboratorio de Neuropsicología, Departamento de Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, 04510 Mexico D F, Mexico
    Learn Mem 7:193-8. 2000
    ....
  9. ncbi request reprint Normal prism adaptation but reduced after-effect in basal ganglia disorders using a throwing task
    J Fernandez-Ruiz
    Laboratorio de Neuropsicología, Departamento de Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, A P 70 250, México D F C P 04510, Mexico
    Eur J Neurosci 18:689-94. 2003
    ..By contrast, there is an impairment in the after-effect on both basal ganglia patient populations. This impairment may be the result of the deterioration of the perceptual recalibration process involved in visuomotor learning...
  10. ncbi request reprint Olfactory dysfunction in hereditary ataxia and basal ganglia disorders
    Juan Fernandez-Ruiz
    Depto Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, Mexico D F, AP 70 250
    Neuroreport 14:1339-41. 2003
    ..The results show an olfactory deficit in both basal ganglia and hereditary ataxia patients. Further exploration of the olfactory capacities in hereditary ataxia is necessary to elucidate the specific nature of the deficits...
  11. ncbi request reprint Spinocerebellar ataxia type 2 neurodegeneration differentially affects error-based and strategic-based visuomotor learning
    Israel Vaca-Palomares
    Facultad de Psicologia, Universidad Nacional Autonoma de Mexico, Mexico City, Distrito Federal, Mexico
    Cerebellum 12:848-55. 2013
    ....
  12. doi request reprint Progression markers of Spinocerebellar ataxia 2. A twenty years neurophysiological follow up study
    Luis Velázquez-Perez
    Centro para la Investigación y Rehabilitación de las Ataxias Hereditarias, Holguin, Cuba
    J Neurol Sci 290:22-6. 2010
    ..We suggest that sensory amplitudes could be useful biomarkers to assess the progression of peripheral nerve involvement and therefore to evaluate future clinical trials of therapeutic agents...
  13. doi request reprint The effect of Parkinson's disease and Huntington's disease on human visuomotor learning
    Juan Manuel Gutierrez-Garralda
    Departamento de Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, Edificio antiguo de investigación, 5º Piso, Circuito Exterior, Coyoacan, C P 04510, D F, Mexico
    Eur J Neurosci 38:2933-40. 2013
    ..These results represent the first evidence that human visuomotor learning in the absence of EB feedback depends on the integrity of the basal ganglia. ..
  14. ncbi request reprint Spinocerebellar ataxia type 2 olfactory impairment shows a pattern similar to other major neurodegenerative diseases
    Luis Velázquez-Perez
    Centro para la Investigación y Rehabilitación de las Ataxias Hereditarias Carlos J Finlay, Holguin, Cuba
    J Neurol 253:1165-9. 2006
    ....
  15. ncbi request reprint Behavioral improvement in MPTP-treated nonhuman primates in the HALLWAY task after transfer of TH cDNA to host astrocytes
    Aurelio Campos-Romo
    Department of Physiology, Faculty of Medicine, National Autonomous University of Mexico, Mexico City, Mexico City, Mexico
    Acta Neurobiol Exp (Wars) 72:166-76. 2012
    ..The behavioral recovery observed in the primates whose astrocytes expressed rat TH, is a first step that warrant further studies using primate's astrocytes as a good cell lineage to express therapeutic molecules...
  16. doi request reprint Quantitative evaluation of MPTP-treated nonhuman parkinsonian primates in the HALLWAY task
    Aurelio Campos-Romo
    Laboratorio de Neuropsicología, Departamento de Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, Apartado Postal No 70 250, 04510 Cd Universitaria, D F, Mexico
    J Neurosci Methods 177:361-8. 2009
    ..This demonstrates that the HALLWAY task is a sensitive and objective method that allows detailed behavioral evaluation of freely moving monkeys in the MPTP Parkinson's disease model...
  17. doi request reprint Gray and white matter alterations in spinocerebellar ataxia type 7: an in vivo DTI and VBM study
    Sarael Alcauter
    Universidad Nacional Autonoma de Mexico, Instituto de Neurobiologia, Blvd Juriquilla 3001, Querétaro QRO, 76230, Mexico
    Neuroimage 55:1-7. 2011
    ..These new results could help explain the symptom's spectrum that affects these patients...
  18. ncbi request reprint Olfaction and neurodegeneration in HD
    Fernando A Barrios
    Institute of Neurobiology, National Autonomous University of Mexico
    Neuroreport 18:73-6. 2007
    ..The results are discussed in relation to other neurodegenerative diseases...
  19. ncbi request reprint Human parietal "reach region" primarily encodes intrinsic visual direction, not extrinsic movement direction, in a visual motor dissociation task
    Juan Fernandez-Ruiz
    Canadian Institutes of Health Research Group on Action and Perception, and Centre for Vision Research, York University, 4700 Keele Street, Toronto, Ontario, Canada
    Cereb Cortex 17:2283-92. 2007
    ..Other non-PPC regions showed the opposite world- or motor-fixed pattern. These findings suggest that PPC primarily encodes not motor commands but movement goals in visual coordinates...