Dr. Jan Kremers

E-mail: jan.kremers@uni-tuebingen.de

Curriculum Vitae

List of publications (in PDF-format)

Lab's homepage


Current scientific projects

  • The processing of spatial and temporal stimuli in the retina and the lateral geniculate nucleus.
  • The Interaction between rod and cone signals in the visual system.
  • The topography of cones in the retina.
  • The change of cone numbers and cone dynamics caused by retinal disorders.
  • The evolution and ecology of primate colour vision.
  • Adaptation of retinal cone signals.
  • Intracellular recordings and anatomical characterisation of retinal neurons.


    • Previous scientific projects

  • The biomechanics of food uptake in the pike (Esox lucius). (University of Wageningen).
  • Electronic registration of food uptake by aphids (University of Wageningen).
  • A mathematical description of the human knee joint (University of Nijmegen).
  • A description of the position of a hip prosthesis in a human femur (University of Nijmegen).
  • Photochemical damage of the retina (Doctoral thesis).
  • Physiological recordings of macaque retinal ganglion cell activity and its correlation with human visual perception (Post-Doc at the MPI Göttingen).


    • Currently used techniques

  • Extracellular recordings from neurons in the retina and lateral geniculate nucleus of primates.
  • Noninvasiv electroretinographical recordings with human subjects (normals and patients).
  • Psychophysical detection threshold measurements.
  • Invasiv intraretinal electrophysiological recordings in the primate retina.
  • Fundusreflectometry.


    • External funding

  • Clinical Research Group Neuroophthalmology supported by the German Research Council (DFG) Subproject 3.1: "Temporal, spatial and spectral properties of neurons of the primate retina and lateral geniculate nucleus".
  • Sonderforschungsbereich (Collaborative research centre) 430 of the DFG (‚Cellular Mechanisms of sensory processes and neuronal interaktions') Subprojekt C3 (‚Rod-Cone Interactions in Primates').
  • Fortüne Program of the Tübingen University (‚Physiological and pathological signal flow of cone driven electroretinograms (ERGs) and their interactions').
  • Stipends of the German Scientific Exchange Council (DAAD), CAPES (Brazil) und CNPq (Brazil) for scientific Exchange.
  • A Heisenbergstipend of the DFG.
  • A priority programm (‚Forschungsschwerpunktprogramm') of the ministry of Science, Research and Art of the land Baden-Württemberg (project: ‚Basic processes in colour vision: a multidisciplinary approach').
  • Interdisciplinary clinical research center of the Tübingen University. Subprojekt IB2: "Molecular genetics and diagnostics in the visual system".


    • Teaching; special courses

  • Seminar "Physiological, psychophysical und clinical aspects of colour vision" (Sharpe, Kremers, Braun, Gegenfurtner).
  • Praktical course "Basic Science Course" (with the University Eye Hospital).
  • Seminar "Retinal physiology" (Kremers).
  • The lab is part of a Marie Curie training site awarded by the European Union.
  • Special Interest Group Modelling and Methods in Neurobiology.


    • Teaching; general courses

    year Course
    1979 Morphology of Vertebrates
    1980 Morphology of Vertebrates
    1981 Morphology of Vertebrates
    1992 Seminar for graduates and postgraduates.
    1993 Seminar for graduates and postgraduates.
    Seminar biological cybernetics.
    1994 Seminar for graduates and postgraduates.
    Practical course animal physiology.
    Practical course biology and pathobiology of the visual system.
    1995 Seminar for graduates and postgraduates.
    Practical course biology and pathobiology of the visual system.
    Practical course human physiology.
    1996 Seminar for graduates and postgraduates.
    Practical course biology and pathobiology of the visual system.
    Practical course human physiology.
    1997 Seminar for graduates and postgraduates.
    Practical course biology and pathobiology of the visual system.
    Practical course human physiology.
    Seminar electrophysiology.
    1998 Seminar for graduates and postgraduates.
    Practical course biology and pathobiology of the visual system.
    1999 Seminar for graduates and postgraduates.
    Practical course biology and pathobiology of the visual system.
    Practical Physiology for the ‚Graduate School for Neural and Behavioural Sciences'.
    Seminar electrophysiology.
    2000 Seminar for graduates and postgraduates.
    Practical course biology and pathobiology of the visual system.
    Practical Physiology for the ‚Graduate School for Neural and Behavioural Sciences'.
    Seminar electrophysiology.


    The common marmoset:

    common marmoset