cells

cells

Publications


Research articles

Self, M.W. , Jeurissen, D., van Ham, A.F., van Vugt, B., Poort, J., Roelfsema, P.R. (2019) The segmentation of proto-objects in monkey primary visual cortex, Current Biology, Full Article
 
Meyer, A.F.*, Poort, J.*, O'Keefe, J. Sahani, M. Linden, J.F. (2018) A head-mounted camera system integrates detailed behavioral monitoring with multichannel electrophysiology in freely moving mice. Neuron, 100, 46-60. Full Article (* equal contribution)

Khan, A.G.*, Poort, J.* , Chadwick, A.*, Blot, A.*, Sahani, M., Mrsic-Flogel, T.D., Hofer, S.B. (2018). Distinct learning-induced changes in stimulus selectivity and interactions of GABAergic interneuron classes in visual cortex. Nature Neuroscience, 21, 851-859 Full Article (* equal contribution)

Poort, J.*, Self, M.W.*, van Vugt, B., Malkki, H.A.I., Roelfsema, P.R. (2016). Texture segregation causes early figure enhancement and later ground suppression in areas V1 and V4 of visual cortex. Cereb.Cortex, 26, 3964–3976. Full Article 

Poort, J.*, Khan, A.G.*, Pachitariu, M., Nemri, A., Orsolic, I., Krupic, J., Bauza, M., Sahani, M., Keller, G.B., Mrsic-Flogel, T.D., and Hofer, S.B. (2015). Learning Enhances Sensory and Multiple Non-sensory Representations in Primary Visual Cortex. Neuron 86, 1478–1490. Full Article  * equal contribution

van Kerkoerle, T.J., Self, M.W., Dagnino, B., Gariel, MA., Poort, J., van der Togt, C., and Roelfsema, P.R. (2014) Alpha and gamma oscillations characterize feedback and feed-forward processing in monkey visual cortex. Proc. Natl. Acad. Sci. USA, 111, 14332-14341. Full Article

Pooresmaeili, A., Poort, J., Roelfsema, P.R. (2014) Simultaneous selection by object-based attention in visual and frontal cortex. Proc. Natl. Acad. Sci. USA. 111, 6467–6472. Full Article

Poort, J., Raudies, F., Wannig, A., Lamme, V.A.F., Neumann, H., Roelfsema, P.R. (2012) The role of attention in figure-ground segregation in areas V1 and V4 of the visual cortex, Neuron, 75, 143-156. Full Article

Schoffelen, J-M., Poort, J., Oostenveld, R. and Fries, P. (2011). Selective movement preparation is subserved by selective increases in cortico-muscular gamma-band coherence. J. Neurosci., 31, 6750-6758. Full Article

Pooresmaeili, A., Poort, J., Thiele, A. and Roelfsema, P.R. (2010). Separable Codes for Attention and Luminance Contrast in the Primary Visual Cortex. J. Neurosci., 30, 12701-12711. Full Article

Poort, J. and Roelfsema, P.R. (2009). Noise Correlations Have Little Influence on the Coding of Selective Attention in Area V1. Cereb.Cortex, 19, 543-553. Full Article

Book chapters

Poort, J., Pooresmaeili, A., Roelfsema, P.R. Multi-neuron representations of visual attention (2011). Chapter 3 in Understanding visual population codes: towards a common multivariate framework for cell recording and functional imaging. Editors Nikolaus Kriegeskorte and Gabriel Kreiman. MIT Press. https://mitpress.mit.edu/books/visual-population-codes

Poort, J. and Roelfsema, P.R. Cognitie (2008). Hoofdstuk 10 in De bètacanon. Wat iedereen moet weten van de natuurwetenschappen (Cognition, Chapter 10 in The bètacanon. What everyone should know about the natural sciences), De Volkskrant en J.M. Meulenhoff, Amsterdam. ISBN 978 90 290 8055 2 / Nur 910. http://www.volkskrant.nl/wetenschap/cognitie~a520255/

Conference presentations


Poort, J. *, Meyer, A. *, O’Keefe, J., M. Sahani, J. Linden (2018) The mousecam: a miniature head-mounted camera system for freely moving mice integrates detailed behavioural monitoring with multichannel electrophysiology. Society for Neuroscience meeting 2018, San Diego, USA

Meyer, A. *, Poort, J. *, O’Keefe, J., M. Sahani, J. Linden (2018) Monitoring behavior and neural activity in freely moving mice with head-mounted cameras and implants. Computational and Systems Neuroscience (Cosyne) meeting, Denver, USA

Meyer, A. *, Poort, J. *, M. Sahani, J. Linden (2017) The relation between eye and head movements and cortical activity in freely moving mice, Bernstein Conference, Göttingen, Germany.

Meyer, A. *, Poort, J. *, M. Sahani, J. Linden (2017) Monitoring of neural activity and behaviour with head-mounted cameras and motion sensors in freely moving mice. Integrated Systems Neuroscience meeting, Manchester, UK. Abstract selected as 1 of 2 'future leaders' talk.

Poort, J., Blot, A., Mrsic-Flogel, T., Hofer, S., Khan, A. (2017) Independent effects of learning and attentional switching on neural responses in mouse primary visual cortex. European Visual Cortex Meeting, London

Chadwick, A., Khan, A. Poort, J., Blot, A., Mrsic-Flogel, T., Hofer, S., Sahani, M. (2017) Learning modifies the collective dynamics of cortical interneuron networks. Computational and Systems Neuroscience (Cosyne) meeting, Salt Lake City, USA.

Poort, J.*, Khan, A.*, Blot, A., Mrsic-Flogel, T., Hofer, S. (2016) Learning changes the selectivity and interactions of GABAergic interneuron classes in visual cortex. Society for Neuroscience meeting 2016, San Diego, USA.

Khan, A.*, Poort, J.*, Blot, A., Mrsic-Flogel, T., Hofer, S. (2015) Simultaneous imaging of activity from PV, SOM and VIP interneuron populations during learning and task-switching, Ascona Neuronal Circuits Meeting

Poort, J.*, Khan, A.*, Pachitariu, M., Nemri, A., Orsolic, I., Krupic, J., Bauza, M., Sahani, M., , Keller, G., Mrsic-Flogel, T., Hofer, S.  (2015) Learning enhances stimulus representations in primary visual cortex. UCL Annual Neuroscience Symposium 2015, London, UK.

Poort, J.*, Khan, A.*, Pachitariu, M., Nemri, A., Orsolic, I., Krupic, J., Bauza, M., Keller, G., Sahani, M., Mrsic-Flogel, T., Hofer, S.  (2014) Task dependent changes in stimulus representations in mouse visual cortex during learning. Society for Neuroscience meeting 2014, Washington, USA.

Khan, A.*, Poort, J.*, Pachitariu, M., Nemri, A., Orsolic, I., Krupic, J., Bauza, M., Keller, G., Sahani, M., Mrsic-Flogel, T., Hofer, S.  (2014) Learning progressively enhances stimulus discriminability in mouse primary visual cortex, FENS Forum, Milan, Italy.

Poort, J.*, Khan, A.*, Pachitariu, M., Nemri, A., Orsolic, I., Krupic, J., Bauza, M., Keller, G., Sahani, M., Mrsic-Flogel, T., Hofer, S.  (2014) Learning related changes of stimulus representations in mouse visual cortex. Computational and Systems Neuroscience (Cosyne) 2014, Salt Lake City, USA.

Sahani, M.,  Pachitariu, M.,  Khan, A.,  Poort, J.,  Orsolic, I., Keller, G., Hofer, S.  Mrsic-Flogel, T. (2014) Spatiotemporal integration of optic flow and running speed in V1. Computational and Systems Neuroscience (Cosyne) 2014, Salt Lake City, USA.

Roelfsema, P.R. Self, M.W., Poort, J., Dagnino, B., Gariel, MA., Van der Togt, C., and Van Kerkoerle, T.J. (2012) Alpha and gamma oscillations as markers of feedforward and feedback processing in areas V1 and V4 of monkey visual cortex. Neuroscience, New Orleans, USA.

Jeurissen, D., Self, M.W., Poort, J., van Vugt, B. and Roelfsema, P.R. (2012) Figure-ground modulation for complex shapes in the primary visual cortex of the macaque monkey. Neuroscience, New Orleans, USA.

Van Kerkoerle, T.J. , Self, M.W., Poort, J., Van der Togt, C., and Roelfsema, P.R. (2011) High frequencies flow in the feed-forward direction through the different layers of monkey primary visual cortex while low frequencies flow in the recurrent direction. Neuroscience, Washington, USA.

Poort, J., Pooresmaeili, A. and Roelfsema, P.R. (2011) A common signature of attention in areas V1, V4, and the frontal eye fields. Neuroscience, Washington, USA.

Poort, J., Pooresmaeili, A. and Roelfsema, P.R. (2010). Simultaneous onset of attentional modulation in primary visual cortex and frontal eye fields, Neuroscience, San Diego, USA.

Self, M.W., Poort, J., van Vugt, B. and Roelfsema, P.R. (2010). Complex figure-ground segregation signals in primary visual cortex of macaque monkey, Neuroscience, San Diego, USA.

Roelfsema, P.R., Wannig, A. and Poort, J. (2010). The role of attention in figure-ground segregation in V1 and V4, FENS Forum, Amsterdam, The Netherlands.

Poort, J., Pooresmaeili, A. and Roelfsema, P.R. (2010). The latency of attentional modulation in the primary visual cortex and frontal eye fields, FENS Forum, Amsterdam, The Netherlands.

Poort, J., Wannig, A. and Roelfsema, P.R. (2009). The role of attention in figure-ground segregation in V1 and V4 (758.25/AA24 Attentional Mechanisms: Neural Studies), Neuroscience, Chicago, USA.

Schoffelen, J-M., Poort, J., Oostenveld, R., Fries, P. (2008) Cortico-muscular gamma-band coherence reflects spatially specific movement preparation, Marie Curie Brainsynch workshop.

Roelfsema, P.R., Poort, J., Thiele, A., Pooresmaeili, A. (2008) Simultaneous decoding of attention and contrast from neuronal activity in the primary visual cortex on a single trial (317. Attention: Neuronal Mechanisms I). Neuroscience, Washington, USA.

Poort, J. and Roelfsema, P.R. (2007). The impact of noise correlation on the encoding of behavioural relevance in area V1 (615.9/OO2 Vision: Neural Coding III), Neuroscience, San Diego, USA.

Other publications

Poort, J., et al. (2015) Monitoring Activity in the Brain’s Visual Cortex in Virtual Reality Environments, National Instruments Case Study http://sine.ni.com/cs/app/doc/p/id/cs-16731.

Poort, J. (2013) Editorial from an Alumnus of the CNS Master’s Programme, Proceedings of the Master's Programme Cognitive Neuroscience, 2, 9-11. Full Issue

Poort, J., Schoffelen, J-M., Fries, P. (2008). Modulation of oscillatory neuronal synchrony in the beta band by motor set, Proceedings of the Master's Programme Cognitive Neuroscience, 1, 25-35. Full Issue