Ole Jensen

Summary

Affiliation: F.C. Donders Centre for Cognitive Neuroimaging
Country: The Netherlands

Publications

  1. ncbi Frontal theta activity in humans increases with memory load in a working memory task
    Ole Jensen
    Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, FIN 02015 HUT, Finland
    Eur J Neurosci 15:1395-9. 2002
  2. ncbi Oscillations in the alpha band (9-12 Hz) increase with memory load during retention in a short-term memory task
    Ole Jensen
    Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, Otakaari 3A, 02015 HUT, Finland
    Cereb Cortex 12:877-82. 2002
  3. ncbi I see what you mean: theta power increases are involved in the retrieval of lexical semantic information
    Marcel C M Bastiaansen
    Max Planck Instituut for Psycholinguistics, Nijmegen, The Netherlands
    Brain Lang 106:15-28. 2008
  4. ncbi When neurons form memories
    Pascal Fries
    F C Donders Centre for Cognitive Neuroimaging, Adelbertusplein 1, 6525 EK Nijmegen, The Netherlands
    Trends Neurosci 26:123-4. 2003
  5. pmc Phase locking between human primary and secondary somatosensory cortices
    Cristina Simões
    Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, P O BOX 2200, FIN 02015 HUT, Finland
    Proc Natl Acad Sci U S A 100:2691-4. 2003
  6. ncbi A new method to identify multiple sources of oscillatory activity from magnetoencephalographic data
    Ole Jensen
    Brain Research Unit, Helsinki University of Technology, Helsinki, FIN 02015 HUT, Finland
    Neuroimage 15:568-74. 2002
  7. ncbi Visually evoked gamma responses in the human brain are enhanced during voluntary hyperventilation
    Ole Jensen
    Brain Research Unit, Helsinki University of Technology, Helsinki, FIN 02015 HUT, Finland
    Neuroimage 15:575-86. 2002
  8. ncbi Hippocampal sequence-encoding driven by a cortical multi-item working memory buffer
    Ole Jensen
    FC Donders Centre for Cognitive Neuroimaging, PO Box 9101, NL 6500 HB Nijmegen, The Netherlands
    Trends Neurosci 28:67-72. 2005
  9. pmc Memory trace stabilization leads to large-scale changes in the retrieval network: a functional MRI study on associative memory
    Atsuko Takashima
    FC Donders Centre for Cognitive Neuroimaging, Radboud University Nijmegen, Nijmegen, The Netherlands
    Learn Mem 14:472-9. 2007
  10. ncbi Cross-frequency coupling between neuronal oscillations
    Ole Jensen
    F C Donders Centre for Cognitive Neuroimaging, Kapittelweg 29, NL 6525 EN Nijmegen, The Netherlands
    Trends Cogn Sci 11:267-9. 2007

Detail Information

Publications25

  1. ncbi Frontal theta activity in humans increases with memory load in a working memory task
    Ole Jensen
    Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, FIN 02015 HUT, Finland
    Eur J Neurosci 15:1395-9. 2002
    ..Following the memory task the theta activity was reduced. These results suggest that theta oscillations generated in frontal brain regions play an active role in memory maintenance...
  2. ncbi Oscillations in the alpha band (9-12 Hz) increase with memory load during retention in a short-term memory task
    Ole Jensen
    Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, Otakaari 3A, 02015 HUT, Finland
    Cereb Cortex 12:877-82. 2002
    ..Hypotheses concerning the role of alpha band activity in working memory are discussed...
  3. ncbi I see what you mean: theta power increases are involved in the retrieval of lexical semantic information
    Marcel C M Bastiaansen
    Max Planck Instituut for Psycholinguistics, Nijmegen, The Netherlands
    Brain Lang 106:15-28. 2008
    ....
  4. ncbi When neurons form memories
    Pascal Fries
    F C Donders Centre for Cognitive Neuroimaging, Adelbertusplein 1, 6525 EK Nijmegen, The Netherlands
    Trends Neurosci 26:123-4. 2003
    ..Recent experiments, using simultaneous recordings from hundreds of sites in monkey neocortex, have revealed the activation of such a distributed network -- probably reflecting the consolidation of long-term memory storage...
  5. pmc Phase locking between human primary and secondary somatosensory cortices
    Cristina Simões
    Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, P O BOX 2200, FIN 02015 HUT, Finland
    Proc Natl Acad Sci U S A 100:2691-4. 2003
    ..The observed SI-SII phase locking would not be reflected in the evoked responses because a considerable part of it was not time-locked to the stimuli. Thus, our finding reveals a unique interaction in the sensorimotor system...
  6. ncbi A new method to identify multiple sources of oscillatory activity from magnetoencephalographic data
    Ole Jensen
    Brain Research Unit, Helsinki University of Technology, Helsinki, FIN 02015 HUT, Finland
    Neuroimage 15:568-74. 2002
    ..The main advantage of the proposed method is that it provides an efficient approach for simultaneous estimation of multiple sources of oscillatory activity in the same frequency band...
  7. ncbi Visually evoked gamma responses in the human brain are enhanced during voluntary hyperventilation
    Ole Jensen
    Brain Research Unit, Helsinki University of Technology, Helsinki, FIN 02015 HUT, Finland
    Neuroimage 15:575-86. 2002
    ..We found that enhanced GABA(A) transmission, paired with enhanced excitability, can explain the increase in evoked gamma activity without changing the frequency...
  8. ncbi Hippocampal sequence-encoding driven by a cortical multi-item working memory buffer
    Ole Jensen
    FC Donders Centre for Cognitive Neuroimaging, PO Box 9101, NL 6500 HB Nijmegen, The Netherlands
    Trends Neurosci 28:67-72. 2005
    ..In such a buffer, memory items that occurred seconds apart are represented with a temporal separation of 20-30 ms, thereby bringing them within the LTP window. The physiological and behavioral evidence for such a buffer will be reviewed...
  9. pmc Memory trace stabilization leads to large-scale changes in the retrieval network: a functional MRI study on associative memory
    Atsuko Takashima
    FC Donders Centre for Cognitive Neuroimaging, Radboud University Nijmegen, Nijmegen, The Netherlands
    Learn Mem 14:472-9. 2007
    ..This area might succeed the hippocampus in linking distributed neocortical representations...
  10. ncbi Cross-frequency coupling between neuronal oscillations
    Ole Jensen
    F C Donders Centre for Cognitive Neuroimaging, Kapittelweg 29, NL 6525 EN Nijmegen, The Netherlands
    Trends Cogn Sci 11:267-9. 2007
    ..Given that this coupling reflects a specific interplay between large ensembles of neurons, it is likely to have profound implications for neuronal processing...
  11. doi Visual areas become less engaged in associative recall following memory stabilization
    Ingrid L C Nieuwenhuis
    FC Donders Centre for Cognitive Neuroimaging, Radboud University Nijmegen, P O Box 9101, NL 6500 HB Nijmegen, The Netherlands
    Neuroimage 40:1319-27. 2008
    ..More direct synaptic connections are formed with memory stabilization, thus decreasing the dependence on visual areas...
  12. ncbi Modulation of gamma and alpha activity during a working memory task engaging the dorsal or ventral stream
    Daniel Jokisch
    F C Donders Centre for Cognitive Neuroimaging, NL 6500 HB Nijmegen, The Netherlands
    J Neurosci 27:3244-51. 2007
    ..We propose that gamma activity reflects the actual neuronal maintenance of visual representations, whereas the alpha increase is a result of functional inhibition...
  13. ncbi Parieto-occipital sources account for the increase in alpha activity with working memory load
    Anil M Tuladhar
    F C Donders Centre for Cognitive Neuroimaging, Nijmegen, The Netherlands
    Hum Brain Mapp 28:785-92. 2007
    ..We propose that the disengagement reflected in alpha power serves to suppress visual input in order to devote resources to structures responsible for working memory maintenance...
  14. ncbi Prestimulus oscillatory activity in the alpha band predicts visual discrimination ability
    Hanneke van Dijk
    F C Donders Centre for Cognitive Neuroimaging, Radboud University Nijmegen, 6500HB Nijmegen, The Netherlands
    J Neurosci 28:1816-23. 2008
    ..We suggest that the parieto-occipital alpha power reflects functional inhibition imposed by higher level areas, which serves to modulate the gain of the visual stream...
  15. ncbi Theta and gamma oscillations predict encoding and retrieval of declarative memory
    Daria Osipova
    F C Donders Center for Cognitive Neuroimaging, 6500 HB Nijmegen, The Netherlands
    J Neurosci 26:7523-31. 2006
    ..Our results provide additional insight on human declarative memory operations and oscillatory brain activity that complements previous electrophysiological and brain imaging studies...
  16. ncbi Reading the hippocampal code by theta phase-locking
    Ole Jensen
    F C Donders Centre for Cognitive Neuroimaging, Radboud University Nijmegen, Kapittelweg 29, 6525 EN Nijmegen, The Netherlands
    Trends Cogn Sci 9:551-3. 2005
    ..This suggests that phase synchronization clocked by the theta rhythm could be crucial for the communication between hippocampal and prefrontal regions...
  17. ncbi Altered generation of spontaneous oscillations in Alzheimer's disease
    Daria Osipova
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Finland
    Neuroimage 27:835-41. 2005
    ....
  18. ncbi Asymmetric amplitude modulations of brain oscillations generate slow evoked responses
    Ali Mazaheri
    F C Donders Centre for Cognitive Neuroimaging, Radboud University Nijmegen, NL 6500 HB Nijmegen, The Netherlands
    J Neurosci 28:7781-7. 2008
    ..In particular, slow event-related components are modulated by a wide range of cognitive tasks. Hence, our findings provide new insight into the physiological basis of cognitive modulation in event-related brain activity...
  19. doi Sleep directly following learning benefits consolidation of spatial associative memory
    Lucia M Talamini
    Department of Psychology, University of Amsterdam, 1018 WB Amsterdam, The Netherlands
    Learn Mem 15:233-7. 2008
    ..An important aspect of memory consolidation may thus result from the removal of irrelevant memory "debris."..
  20. doi Motor-cortical beta oscillations are modulated by correctness of observed action
    Thomas Koelewijn
    F C Donders Center for Cognitive Neuroimaging, Radboud University Nijmegen, P O Box 9101 NL 6500 HB Nijmegen, The Netherlands
    Neuroimage 40:767-75. 2008
    ..This suggests that the motor system is engaged in evaluating the correctness of the actions of others...
  21. ncbi Human gamma-frequency oscillations associated with attention and memory
    Ole Jensen
    F C Donders Centre for Cognitive Neuroimaging, Kapittelweg 29, 6525 EN Nijmegen, The Netherlands
    Trends Neurosci 30:317-24. 2007
    ..This review is part of the INMED/TINS special issue Physiogenic and pathogenic oscillations: the beauty and the beast, based on presentations at the annual INMED/TINS symposium (http://inmednet.com)...
  22. ncbi Oscillatory activity in human parietal and occipital cortex shows hemispheric lateralization and memory effects in a delayed double-step saccade task
    W Pieter Medendorp
    Nijmegen Institute for Cognition and Information, Radboud University Nijmegen, NL 6500 HE Nijmegen, The Netherlands
    Cereb Cortex 17:2364-74. 2007
    ..These results provide further support for a topographic organization for delayed saccades in human parietal and occipital cortex...
  23. ncbi Path integration and the neural basis of the 'cognitive map'
    Bruce L McNaughton
    Arizona Research Laboratories Division of Neural Systems, Memory and Aging, and Department of Psychology, University of Arizona, Tucson 85724, USA
    Nat Rev Neurosci 7:663-78. 2006
    ..Convergence of spatially periodic input at multiple scales, from so-called grid cells in the entorhinal cortex, might result in non-periodic spatial firing patterns (place fields) in the hippocampus...
  24. pmc Posterior alpha activity is not phase-reset by visual stimuli
    Ali Mazaheri
    F C Donders Centre for Cognitive Neuroimaging, P O Box 9101, NL 6500 HB Nijmegen, The Netherlands
    Proc Natl Acad Sci U S A 103:2948-52. 2006
    ..These findings suggest that different neuronal events are responsible for generating the ongoing oscillations and the visually evoked responses...
  25. ncbi Gamma-band activity in human posterior parietal cortex encodes the motor goal during delayed prosaccades and antisaccades
    Jurrian Van Der Werf
    Nijmegen Institute for Cognition and Information, Radboud University Nijmegen, NL 6500 HE Nijmegen, The Netherlands
    J Neurosci 28:8397-405. 2008
    ..We conclude that parietal gamma-band synchronization reflects a mechanism to encode the motor goals in the visuomotor processing for saccades...