Jens Max Hopf

Summary

Affiliation: Otto-von-Guericke University
Country: Germany

Publications

  1. ncbi request reprint Localizing visual discrimination processes in time and space
    Jens Max Hopf
    Department of Neurology II, Otto von Guericke University, D 39120 Magdeburg, Germany
    J Neurophysiol 88:2088-95. 2002
  2. ncbi request reprint Attention to features precedes attention to locations in visual search: evidence from electromagnetic brain responses in humans
    Jens Max Hopf
    Department of Neurology II, Otto von Guericke University, D 39120 Magdeburg, Germany
    J Neurosci 24:1822-32. 2004
  3. ncbi request reprint The neural site of attention matches the spatial scale of perception
    Jens Max Hopf
    Department of Neurology II, Otto von Guericke University, D 39120 Magdeburg, Germany
    J Neurosci 26:3532-40. 2006
  4. ncbi request reprint Neural sources of focused attention in visual search
    J M Hopf
    Department of Neurology II, Otto von Guericke University, D 39120 Magdeburg, Germany
    Cereb Cortex 10:1233-41. 2000
  5. ncbi request reprint How does attention attenuate target-distractor interference in vision?. Evidence from magnetoencephalographic recordings
    J M Hopf
    Department of Neurology II, Otto von Guericke University, Leipziger Strasse 44, D 39120 Magdeburg, Germany
    Brain Res Cogn Brain Res 15:17-29. 2002
  6. ncbi request reprint Popout modulates focal attention in the primary visual cortex
    Jens Max Hopf
    Department of Neurology II, Otto von Guericke University of Magdeburg, 39120 Magdeburg, Germany
    Neuroimage 22:574-82. 2004
  7. ncbi request reprint The temporal flexibility of attentional selection in the visual cortex
    Jens Max Hopf
    Department of Neurology II, Otto von Guericke University and Leibniz Institute for Neurobiology, Leipziger Strasse 44, D 39120 Magdeburg, Germany
    Curr Opin Neurobiol 15:183-7. 2005
  8. doi request reprint Separable mechanisms underlying global feature-based attention
    Rowena Bondarenko
    Leibniz Institute for Neurobiology, 39118 Magdeburg, Germany, Department of Neurology, Otto von Guericke University, 39120 Magdeburg, Germany, and Department of Experimental Psychology, Ghent University, 9000 Ghent, Belgium
    J Neurosci 32:15284-95. 2012
  9. doi request reprint Neural correlates of exemplar novelty processing under different spatial attention conditions
    Christian Michael Stoppel
    Department of Neurology and Centre for Advanced Imaging, Otto von Guericke University, Magdeburg, Germany
    Hum Brain Mapp 30:3759-71. 2009
  10. doi request reprint Neural mechanisms of surround attenuation and distractor competition in visual search
    Carsten N Boehler
    Department of Neurology, Otto von Guericke University and Leibniz Institute for Neurobiology, Magdeburg 39120, Germany
    J Neurosci 31:5213-24. 2011

Collaborators

Detail Information

Publications24

  1. ncbi request reprint Localizing visual discrimination processes in time and space
    Jens Max Hopf
    Department of Neurology II, Otto von Guericke University, D 39120 Magdeburg, Germany
    J Neurophysiol 88:2088-95. 2002
    ..These findings indicate that the earliest measurable correlates of discriminative operations in the visual system appear as neural activity in circumscribed regions of the ventral processing stream...
  2. ncbi request reprint Attention to features precedes attention to locations in visual search: evidence from electromagnetic brain responses in humans
    Jens Max Hopf
    Department of Neurology II, Otto von Guericke University, D 39120 Magdeburg, Germany
    J Neurosci 24:1822-32. 2004
    ....
  3. ncbi request reprint The neural site of attention matches the spatial scale of perception
    Jens Max Hopf
    Department of Neurology II, Otto von Guericke University, D 39120 Magdeburg, Germany
    J Neurosci 26:3532-40. 2006
    ....
  4. ncbi request reprint Neural sources of focused attention in visual search
    J M Hopf
    Department of Neurology II, Otto von Guericke University, D 39120 Magdeburg, Germany
    Cereb Cortex 10:1233-41. 2000
    ....
  5. ncbi request reprint How does attention attenuate target-distractor interference in vision?. Evidence from magnetoencephalographic recordings
    J M Hopf
    Department of Neurology II, Otto von Guericke University, Leipziger Strasse 44, D 39120 Magdeburg, Germany
    Brain Res Cogn Brain Res 15:17-29. 2002
    ..These findings support theories of visual search that emphasize location-based attentional selection as a key mechanism in resolving ambiguous feature coding in vision...
  6. ncbi request reprint Popout modulates focal attention in the primary visual cortex
    Jens Max Hopf
    Department of Neurology II, Otto von Guericke University of Magdeburg, 39120 Magdeburg, Germany
    Neuroimage 22:574-82. 2004
    ....
  7. ncbi request reprint The temporal flexibility of attentional selection in the visual cortex
    Jens Max Hopf
    Department of Neurology II, Otto von Guericke University and Leibniz Institute for Neurobiology, Leipziger Strasse 44, D 39120 Magdeburg, Germany
    Curr Opin Neurobiol 15:183-7. 2005
    ..Depending on the specific processing demands of the experimental task, location-based, feature-based or object-based selection might be given temporal priority on a time scale of tens of milliseconds...
  8. doi request reprint Separable mechanisms underlying global feature-based attention
    Rowena Bondarenko
    Leibniz Institute for Neurobiology, 39118 Magdeburg, Germany, Department of Neurology, Otto von Guericke University, 39120 Magdeburg, Germany, and Department of Experimental Psychology, Ghent University, 9000 Ghent, Belgium
    J Neurosci 32:15284-95. 2012
    ....
  9. doi request reprint Neural correlates of exemplar novelty processing under different spatial attention conditions
    Christian Michael Stoppel
    Department of Neurology and Centre for Advanced Imaging, Otto von Guericke University, Magdeburg, Germany
    Hum Brain Mapp 30:3759-71. 2009
    ....
  10. doi request reprint Neural mechanisms of surround attenuation and distractor competition in visual search
    Carsten N Boehler
    Department of Neurology, Otto von Guericke University and Leibniz Institute for Neurobiology, Magdeburg 39120, Germany
    J Neurosci 31:5213-24. 2011
    ..A theoretical framework is proposed that links both operations in a common model of top-down attentional selection in visual cortex...
  11. doi request reprint Spatiotemporal dynamics of feature-based attention spread: evidence from combined electroencephalographic and magnetoencephalographic recordings
    Christian Michael Stoppel
    Department of Neurology and Center for Advanced Imaging, Otto von Guericke University, 39120 Magdeburg, Germany
    J Neurosci 32:9671-6. 2012
    ..The current results indicate that feature-based attention operates in a global manner but needs time to spread and provide strong support for the feature-similarity gain model...
  12. doi request reprint Neural processing of reward magnitude under varying attentional demands
    Christian Michael Stoppel
    Department of Neurology and Centre for Advanced Imaging, Otto von Guericke University, Leipziger Str 44, 39120 Magdeburg, Germany
    Brain Res 1383:218-29. 2011
    ..These results suggest that anticipated reward-magnitude and task-related attentional demands are concurrently processed in partially overlapping neural networks of anterior-cingulate, insular/orbitofrontal, and mesolimbic regions...
  13. doi request reprint Mandatory processing of irrelevant fearful face features in visual search
    Daniela B Fenker
    Otto von Guericke University, Magdeburg, Germany
    J Cogn Neurosci 22:2926-38. 2010
    ..However, this may not necessarily be echoed at the behavioral level as long as task-relevant selection operations exhaust attentional resources...
  14. ncbi request reprint Neural mechanisms of spatial- and feature-based attention: a quantitative analysis
    Christian Michael Stoppel
    Department of Neurology II, Otto von Guericke University Magdeburg, Leipziger Str 44, 39120 Magdeburg, Germany
    Brain Res 1181:51-60. 2007
    ..These results support the idea of a high biological relevance of the feature motion in the visual world...
  15. doi request reprint Feature-based attention modulates direction-selective hemodynamic activity within human MT
    Christian Michael Stoppel
    Department of Neurology and Centre for Advanced Imaging, Otto von Guericke University, Leipziger Str 44, 39120 Magdeburg, Germany
    Hum Brain Mapp 32:2183-92. 2011
    ..Our results provide strong support for the validity of the "feature similarity gain model" on the integrated population response as quantified by parametric fMRI in humans...
  16. ncbi request reprint Analysis of pathways mediating preserved vision after striate cortex lesions
    Mircea Ariel Schoenfeld
    Department of Neurology II, University of Magdeburg, 39120 Magdeburg, Germany
    Ann Neurol 52:814-24. 2002
    ....
  17. doi request reprint The spatial profile of the focus of attention in visual search: insights from MEG recordings
    Jens Max Hopf
    Department of Neurology, Otto von Guericke University and Leibniz Institute for Neurobiology, Magdeburg 39120, Germany
    Vision Res 50:1312-20. 2010
    ..The reviewed neuromagnetic evidence is discussed with respect to key notions of the Selective Tuning model of visual attention for which strong support is provided...
  18. doi request reprint Distinct representations of attentional control during voluntary and stimulus-driven shifts across objects and locations
    Christian Michael Stoppel
    Department of Neurology, Otto von Guericke University, Leipziger Str 44, 39120 Magdeburg, Germany
    Cereb Cortex 23:1351-61. 2013
    ....
  19. doi request reprint Task-demands and audio-visual stimulus configurations modulate neural activity in the human thalamus
    Björn Bonath
    Institute of Biological Psychology, Otto von Guericke University, Magdeburg, Germany
    Neuroimage 66:110-8. 2013
    ....
  20. pmc High-field FMRI reveals brain activation patterns underlying saccade execution in the human superior colliculus
    Ruth M Krebs
    Department of Neurology, Otto von Guericke University, Magdeburg, Germany
    PLoS ONE 5:e8691. 2010
    ..The knowledge about the function of this structure is mainly based on single-unit recordings in animals with relatively few neuroimaging studies investigating eye-movement related brain activity in humans...
  21. ncbi request reprint Is human sentence parsing serial or parallel? Evidence from event-related brain potentials
    Jens Max Hopf
    Clinic for Neurology II, Otto von Guericke University Magdeburg, Leipziger Strasse 44, 39120 Magdeburg, Germany
    Brain Res Cogn Brain Res 15:165-77. 2003
    ..Later differences can be related to successful reanalysis in garden-path but not in ungrammatical sentences...
  22. doi request reprint Neural correlates of hysterical blindness
    Mircea Ariel Schoenfeld
    Department of Neurology, Otto von Guericke University, 39120 Magdeburg, Germany
    Cereb Cortex 21:2394-8. 2011
    ..Furthermore, the observed neurophysiological pattern suggests an involvement of attentional mechanisms in the neural basis hysterical blindness...
  23. pmc Binding 3-D object perception in the human visual cortex
    Yang Jiang
    University of Kentucky, College of Medicine, Lexington, KY 40536 0086, USA
    J Cogn Neurosci 20:553-62. 2008
    ..The assembly is fed forward to achieve coherent perception of a 3-D object within 500 msec...
  24. ncbi request reprint Selectivity for speed gradients in human area MT/V5
    Julio C Martinez-Trujillo
    Department of Physiology, McGill University, Montreal, Canada
    Neuroreport 16:435-8. 2005
    ....