M Alegre

Summary

Affiliation: University of Navarra
Country: Spain

Publications

  1. doi request reprint Changes in subthalamic activity during movement observation in Parkinson's disease: is the mirror system mirrored in the basal ganglia?
    M Alegre
    Neuroscience Area, CIMA, Universidad de Navarra, Pamplona, Spain
    Clin Neurophysiol 121:414-25. 2010
  2. doi request reprint Oscillatory activity in the human basal ganglia: More than just beta, more than just Parkinson's disease
    Manuel Alegre
    Neurophysiology Laboratory, Neurosciences Area, CIMA, University of Navarra, Avenida Pio XII, 55, 31008 Pamplona, Spain Electronic address
    Exp Neurol 248:183-6. 2013
  3. doi request reprint Subthalamic activity during diphasic dyskinesias in Parkinson's disease
    Manuel Alegre
    Neurosciences Area, CIMA, University of Navarra, Pamplona, Spain
    Mov Disord 27:1178-81. 2012
  4. doi request reprint The mirror system, theory of mind and Parkinson's disease
    Manuel Alegre
    Neurophysiology Laboratory, CIMA, University of Navarra, Spain
    J Neurol Sci 310:194-6. 2011
  5. ncbi request reprint Slow oscillatory activity and levodopa-induced dyskinesias in Parkinson's disease
    F Alonso-Frech
    Department of Neurology and Neurosurgery, Neuroscience Area, Clinica Universitaria and Centro de Investigación Médica Aplicada CIMA, Universidad de Navarra Pamplona, Spain
    Brain 129:1748-57. 2006
  6. ncbi request reprint Oscillatory changes related to the forced termination of a movement
    M Alegre
    Neurophysiology Laboratory, Neuroscience Area, CIMA, Universidad de Navarra, Pamplona, Spain
    Clin Neurophysiol 119:290-300. 2008
  7. ncbi request reprint Imitating versus non-imitating movements: differences in frontal electroencephalographic oscillatory activity
    M Alegre
    Neurophysiology Section, Department of Neurology, Clinica Universitaria, Universidad de Navarra, Pio XII 36, 31008 Pamplona, Spain
    Neurosci Lett 398:201-5. 2006
  8. ncbi request reprint Gamma band responses to target and non-target auditory stimuli in humans
    I G Gurtubay
    Neurofisiologia Clinica, Clinica Universitaria and CIMA, Universidad de Navarra, Apdo 4209, 31008 Pamplona, Spain
    Neurosci Lett 367:6-9. 2004
  9. doi request reprint Chirp-evoked potentials in the awake and anesthetized rat. A procedure to assess changes in cortical oscillatory activity
    M Pérez-Alcázar
    Neurophysiology Laboratory, Neuroscience Area, CIMA and Clinica Universitaria, Universidad de Navarra, Pamplona, Spain
    Exp Neurol 210:144-53. 2008
  10. ncbi request reprint Gamma band activity in an auditory oddball paradigm studied with the wavelet transform
    I G Gurtubay
    Clinical Neurophysiology Unit, Department of Neurology, , Facultad de Medicina, Universidad de Navarra, Pamplona, Spain
    Clin Neurophysiol 112:1219-28. 2001

Detail Information

Publications34

  1. doi request reprint Changes in subthalamic activity during movement observation in Parkinson's disease: is the mirror system mirrored in the basal ganglia?
    M Alegre
    Neuroscience Area, CIMA, Universidad de Navarra, Pamplona, Spain
    Clin Neurophysiol 121:414-25. 2010
    ..The aim of our work was to study the changes in local field potentials (LFP) recorded from the subthalamic nucleus (STN) and their relationship with cortical activity, during movement observation...
  2. doi request reprint Oscillatory activity in the human basal ganglia: More than just beta, more than just Parkinson's disease
    Manuel Alegre
    Neurophysiology Laboratory, Neurosciences Area, CIMA, University of Navarra, Avenida Pio XII, 55, 31008 Pamplona, Spain Electronic address
    Exp Neurol 248:183-6. 2013
    ....
  3. doi request reprint Subthalamic activity during diphasic dyskinesias in Parkinson's disease
    Manuel Alegre
    Neurosciences Area, CIMA, University of Navarra, Pamplona, Spain
    Mov Disord 27:1178-81. 2012
    ..Diphasic dyskinesias are a subtype of levodopa-induced dyskinesias that appear typically at the onset and end of levodopa antiparkinsonian action. The pathophysiology of diphasic dyskinesias is not well understood...
  4. doi request reprint The mirror system, theory of mind and Parkinson's disease
    Manuel Alegre
    Neurophysiology Laboratory, CIMA, University of Navarra, Spain
    J Neurol Sci 310:194-6. 2011
    ..Given the relationship between the mirror system and theory of mind, we hypothesize that TOM deficits in PD might be at least partially mediated by mirror system dysfunction...
  5. ncbi request reprint Slow oscillatory activity and levodopa-induced dyskinesias in Parkinson's disease
    F Alonso-Frech
    Department of Neurology and Neurosurgery, Neuroscience Area, Clinica Universitaria and Centro de Investigación Médica Aplicada CIMA, Universidad de Navarra Pamplona, Spain
    Brain 129:1748-57. 2006
    ..When dyskinesias were only present in one limb (n = 2), the 4-10 Hz peak was only recorded in the contralateral STN. These findings suggest that the 4-10 Hz oscillation is associated with the expression of LID in Parkinson's disease...
  6. ncbi request reprint Oscillatory changes related to the forced termination of a movement
    M Alegre
    Neurophysiology Laboratory, Neuroscience Area, CIMA, Universidad de Navarra, Pamplona, Spain
    Clin Neurophysiol 119:290-300. 2008
    ..Our aim was to study the oscillatory changes related to the forced termination of a single complex motor program (signature) and compare them with those observed after the normal termination of the movement...
  7. ncbi request reprint Imitating versus non-imitating movements: differences in frontal electroencephalographic oscillatory activity
    M Alegre
    Neurophysiology Section, Department of Neurology, Clinica Universitaria, Universidad de Navarra, Pio XII 36, 31008 Pamplona, Spain
    Neurosci Lett 398:201-5. 2006
    ..The beta-ERD was significantly larger in the imitation paradigm. Our results show that the motor preparation mechanisms involved in an imitated and a non-imitated movement are different...
  8. ncbi request reprint Gamma band responses to target and non-target auditory stimuli in humans
    I G Gurtubay
    Neurofisiologia Clinica, Clinica Universitaria and CIMA, Universidad de Navarra, Apdo 4209, 31008 Pamplona, Spain
    Neurosci Lett 367:6-9. 2004
    ..The response around 200 ms may be involved in auditory mismatch and/or memory retrieval, and late activity is probably a P300-related response. Attention enhances all these activities...
  9. doi request reprint Chirp-evoked potentials in the awake and anesthetized rat. A procedure to assess changes in cortical oscillatory activity
    M Pérez-Alcázar
    Neurophysiology Laboratory, Neuroscience Area, CIMA and Clinica Universitaria, Universidad de Navarra, Pamplona, Spain
    Exp Neurol 210:144-53. 2008
    ..These findings should be taken into account when assessing the changes in cortical oscillatory activity related to different drugs, in healthy rodents and in animal models of neurodegenerative diseases...
  10. ncbi request reprint Gamma band activity in an auditory oddball paradigm studied with the wavelet transform
    I G Gurtubay
    Clinical Neurophysiology Unit, Department of Neurology, , Facultad de Medicina, Universidad de Navarra, Pamplona, Spain
    Clin Neurophysiol 112:1219-28. 2001
    ..002) to the latency of the P300 wave. CONCLUSIONS: EEG signal analysis with wavelet transform allows the identification of an early oscillatory cortical response in the gamma frequency range, as well as a late P300-related response...
  11. ncbi request reprint Movement-related changes in cortical oscillatory activity in ballistic, sustained and negative movements
    M Alegre
    Department of Neurology, Clinica Universitaria, Facultad de Medicina, Universidad de Navarra, Avda Pio XII 36, 31008 Pamplona Navarra, Spain
    Exp Brain Res 148:17-25. 2003
    ..Gamma band activity may be just involved in the execution of the movement, related to muscle contraction...
  12. ncbi request reprint Frontal and central oscillatory changes related to different aspects of the motor process: a study in go/no-go paradigms
    M Alegre
    Clinical Neurophysiology Section, Department of Neurology, Clinica Universitaria and Foundation for Applied Medical Research, Universidad de Navarra, 31008, Pamplona, Spain
    Exp Brain Res 159:14-22. 2004
    ....
  13. ncbi request reprint Cortical gamma activity during auditory tone omission provides evidence for the involvement of oscillatory activity in top-down processing
    I G Gurtubay
    Neurophysiology Section, Clinica Universitaria, University of Navarra, Apdo 4209 31008 Pamplona, Spain
    Exp Brain Res 175:463-70. 2006
    ..In summary, our findings support the active and adaptive concept of brain function that has emerged over recent years, suggesting that the match of sensory information with memory contents generates gamma oscillations...
  14. ncbi request reprint Movement-related changes in oscillatory activity in the human subthalamic nucleus: ipsilateral vs. contralateral movements
    M Alegre
    Department of Neurology and Neurosurgery, Clinica Universitaria, Universidad de Navarra, Pamplona, Spain
    Eur J Neurosci 22:2315-24. 2005
    ..These results suggest that movement-related activity in the STN has, by and large, a bilateral representation and probably reflects cortical input...
  15. ncbi request reprint Alpha and beta changes in cortical oscillatory activity in a go/no go randomly-delayed-response choice reaction time paradigm
    M Alegre
    Neurophysiology Laboratory, Neuroscience Area, Centre for Applied Medical Research, Universidad de Navarra, Pamplona, Spain
    Clin Neurophysiol 117:16-25. 2006
    ..We studied non-phase-locked changes in cortical oscillatory activity in a S1-centred double-stimulus go/no go paradigm with random interstimulus interval...
  16. ncbi request reprint [Video-electroencephalography: a necessity]
    J Iriarte
    Servicio de Neurofisiologia, Departamento de Neurologia y Neurocirugia, Clinica Universidad de Navarra, Pamplona, Spain
    An Sist Sanit Navar 32:83-92. 2009
    ..In spite of the advances of recent years, 20-30% of patients diagnosed with epilepsy are not really epileptic, a fact that it is excessive and unacceptable...
  17. doi request reprint Abnormalities in brain synchronization are correlated with cognitive impairment in multiple sclerosis
    G Arrondo
    Department of Neurosciences, CIMA University of Navarra, Pamplona, Spain
    Mult Scler 15:509-16. 2009
    ..Auditory amplitude modulation following responses (AMFR), are oscillatory steady-state responses to rhythmic auditory stimuli that indirectly measure brain synchrony...
  18. ncbi request reprint Topography of cortical activation differs for fundamental and harmonic frequencies of the steady-state visual-evoked responses. An EEG and PET H215O study
    M A Pastor
    Department of the Neurological Sciences, Center for Applied Medical Research, University of Navarra School of Medicine and the Clínica Universitaria de Navarra, Pamplona, Spain
    Cereb Cortex 17:1899-905. 2007
    ..Our finding suggests that the inferior portion of the banks of the parieto-occipital sulci contains association visual cortex involved in the processing of stimuli that can be as simple as a flickering light source...
  19. ncbi request reprint [The role of cortical oscillatory activity in information processing mechanisms]
    M Alegre
    , Facultad de Medicina, Universidad de Navarra, Pamplona,
    Rev Neurol 30:953-8. 2000
    ....
  20. ncbi request reprint Beta electroencephalograph changes during passive movements: sensory afferences contribute to beta event-related desynchronization in humans
    M Alegre
    Neurophysiology Section, Department of Neurology, Clinica Universitaria de Navarra, Pio XII 36, 31008, Pamplona, Spain
    Neurosci Lett 331:29-32. 2002
    ..These findings suggest that afferent proprioceptive inputs may play a role in the final part of the beta ERD observed during voluntary movements...
  21. ncbi request reprint Continuous positive airway pressure as treatment for catathrenia (nocturnal groaning)
    J Iriarte
    Clinical Neurophysiology Section, Clinica Universitaria, School of Medicine, University of Navarra, Pamplona, Spain
    Neurology 66:609-10. 2006
  22. ncbi request reprint Agrypnia excitata in fatal familial insomnia. A video-polygraphic study
    J Iriarte
    Clinical Neurophysiology Section, Department of Neurology, Clinica Universitaria, University of Navarra, Pamplona, Navarra, Spain
    Neurology 69:607-8. 2007
  23. ncbi request reprint Brainstem auditory evoked potentials (BAEPs) in the cynomolgus macaque monkey. Equivalence with human BAEPs and proposal of a new nomenclature
    M Alegre
    Experimental Neurophysiology Unit, Department of Neurology, , Universidade de Navarra, Pamplona, Spain
    Hear Res 151:115-120. 2001
    ..This is the reason for our proposal of a new nomenclature for BAEP waveforms in monkeys, following a descriptive order with Arabic numerals preceded by the letter M...
  24. ncbi request reprint [Auditory brain stem potentials evoked by electrical stimulation of cochlear nuclei during central auditive implant setting]
    M Alegre
    , Universidad de Navarra, Pamplona,
    Rev Neurol 29:198-200. 1999
    ..More experience on this subject is needed to establish a correlation between intraoperative results and postoperative stimulator function...
  25. ncbi request reprint High frequency oscillations in the somatosensory evoked potentials (SSEP's) are mainly due to phase-resetting phenomena
    M Valencia
    Neurophysiology Laboratory, Centre for Applied Medical Research, Universidad de Navarra, Pamplona, Spain
    J Neurosci Methods 154:142-8. 2006
    ..The emergence of new activities does not seem to be a relevant mechanism in the formation of these components...
  26. ncbi request reprint Potentials evoked by chirp-modulated tones: a new technique to evaluate oscillatory activity in the auditory pathway
    J Artieda
    Neurophysiology Section, Department of Neurology, Clínica Universitaria and Fundación para Investigación Médica Aplicada, Universidad de Navarra, Avenida Pio XII 36, 31008 Pamplona Navarra, Spain
    Clin Neurophysiol 115:699-709. 2004
    ..Our aim was to develop a fast technique to explore the oscillatory response to auditory stimuli, using a tone modulated in amplitude by a sinusoid whose frequency increases linearly in frequency ('chirp') from 1 to 120 Hz...
  27. ncbi request reprint [Clinical relevance of periodic limb movements during sleep in obstructive sleep apnea patients]
    J Iriarte
    Departamento de Neurología y Neurofisiología, Universidad de Navarra, Pamplona
    Rev Neurol 30:101-4. 2000
    ..The periodic limb movements disorder (PLMD) is frequently associated with the obstructive sleep apnea syndrome (OSAS), but the prevalence and clinical relevance of this association have not been studied in detail...
  28. ncbi request reprint [Brain oscillations: pathophysiological and potentially therapeutic role in some neurological and psychiatric diseases]
    J Artieda
    Servicio de Neurofisiologia Clinica, Clinica Universidad de Navarra, 31008 Pamplona, Espana
    An Sist Sanit Navar 32:45-60. 2009
    ..This review discusses all these aspects, with emphasis on their potential role both as a basic mechanism in brain function and as a pathophysiological substrate for some of the symptoms and signs observed in several diseases...
  29. ncbi request reprint [The pathophysiological basis of dystonia]
    J Artieda
    Servicio de Neurofisiología Hospital Virgen del Camino, Pamplona, 31008, Espana
    Rev Neurol 32:549-58. 2001
    ..We review the mechanisms that may involved in the pathophysiology of dystonia...
  30. ncbi request reprint [Ictal asystolia in the differential diagnosis of dizziness]
    J Iriarte
    Unidad de Epilepsia, Departamento de Neurologia, Clinica Universitaria de Navarra, Pamplona
    Neurologia 20:45-8. 2005
    ..Recovery was fast, but treatment with pacemaker must be considered...
  31. ncbi request reprint Ictal paralysis mimicking Todd's phenomenon
    Jorge Iriarte
    Epilepsy and Clinical Neurophysiology Section, Clinica Universitaria, University of Navarre, Avda Pio XII 36, Pamplona 31008, Navarre, Spain
    Neurology 59:464-5. 2002
  32. ncbi request reprint Unilateral periodic limb movements during sleep in corticobasal degeneration
    J Iriarte
    Department of Neurology, Clinica Universitaria, University of Navarra, Pamplona, Navarra, Spain
    Mov Disord 16:1180-3. 2001
    ....
  33. ncbi request reprint [Postictal paralysis during video-EEG monitoring studies]
    E Urrestarazu
    Unidad de Epilepsias y Servicios de Neurofisiología Clínica, Clinica Universitaria de Navarra, Universidad de Navarra, Pamplona, Espana
    Rev Neurol 35:404-7. 2002
    ..To know the frequency of Todd s paralysis during the video EEG monitoring studies, to investigate in its pathophysiology, and to confirm its value to localise the epileptic focus...
  34. ncbi request reprint [Lamotrigine in the adult-onset epilepsy: efficacy and long-term safety]
    M Alegre
    Unidad de Epilepsia, Departamento de Neurología Clínica Universitaria de Navarra, Universidad de Navarra Pamplona, Spain
    Neurologia 17:136-42. 2002
    ..The mean number of AED taken per patient increased. Conclusions: LTG is a safe an effective drug in epilepsy. It has a clear impact in the management of the epileptic patients...