HAFED LAB PUBLICATIONS

2024

• Hafed, Z. M. (2024). Superior colliculus peri-saccadic field potentials are dominated by a visual sensory preference for the upper visual field. BioRxiv. [ONLINE].

• Wu, W. & Hafed, Z. M. (2024). Stronger premicrosaccadic sensitivity enhancement for dark contrasts in the primate superior colliculus. BioRxiv. [ONLINE].

• Baumann, M. P.*, Denninger, A. F.*, & Hafed, Z. M. (2024). Perisaccadic perceptual mislocalization strength depends on the visual appearance of saccade targets. BioRxiv. [ONLINE].
  • * Contributed equally

• Greilich, J., Baumann, M. P., & Hafed, Z. M. (2024). Microsaccadic suppression of peripheral perceptual detection performance as a function of foveated visual image appearance. Journal of Vision, 24(11): 3, 1-21, doi: 10.1167/jov.24.11.3.  [PDF][ONLINE].

• Hafed, Z. M., Idrees, S., & Baumann, M. P.  (2024). Not so early! Revisiting the question of visual pathway selectivity of saccadic suppression. Journal of Neurophysiology, Vol. 132, pp. 570-572. doi: 10.1152/jn.00254.2024. [PDF].

• Khademi, F., Zhang, T., Baumann, M. P., Malevich, T., Yu, Y., & Hafed, Z. M. (2024). Visual feature tuning properties of short-latency stimulus-driven ocular position drift responses during gaze fixation. Journal of Neuroscience, Vol. 44, No. 13, pp. e1815232024. doi: 10.1523/JNEUROSCI.1815-23.2024. [PDF].

2023

• Bogadhi, A. R. & Hafed, Z. M. (2023). Express detection of visual objects by primate superior colliculus neurons. Scientific Reports, 13: 21730. doi: 10.1038/s41598-023-48979-5. [PDF][ONLINE].

• Khademi, F., Zhang, T., Baumann, M. P., Buonocore, A., Malevich, T., Yu, Y., & Hafed, Z. M. (2023). Visual feature tuning properties of stimulus-driven saccadic inhibition in macaque monkeys. Journal of Neurophysiology, Vol. 130, pp. 1282-1302. doi: 10.1152/jn.00289.2023. [PDF].

• Baumann, M. P.*, Bogadhi, A. R.*, Denninger, A. F., & Hafed, Z. M. (2023). Sensory tuning in neuronal movement commands. Proceedings of the National Academy of Sciences. Vol. 120, No. 38, e2305759120. doi: 10.1073/pnas.2305759120. [PDF+SUPP. INFO.].
  • * Contributed equally
  • Winner of the 2024 ATTEMPTO Prize!
  • Winner of the Hertie Institute Paper of the Year Award!
  • Also see: Like a race car driver “feeling the road” through the gas pedal!

• Fracasso, A.*, Buonocore, A.*, & Hafed, Z. M. (2023). Peri-saccadic orientation identification performance and visual neural sensitivity are higher in the upper visual field. Journal of Neuroscience, Vol. 43, No. 41, pp. 6884-6897. doi: 10.1523/JNEUROSCI.1740-22.2023. [ONLINE][PDF].
  • * Contributed equally

• Buonocore, A. & Hafed, Z. M. (2023). The inevitability of visual interruption. Journal of Neurophysiology (Special “Now and Then” Issue), Vol. 130, pp. 225-237. doi: 10.1152/jn.00441.2022. [PDF].

• Hafed, Z. M., Hoffmann, K.-P., Chen, C.-Y., & Bogadhi, A. R. (2023). Visual functions of the primate superior colliculus. Annual Review of Vision Science, Vol. 9: 1, pp. 361-383. doi: 10.1146/annurev-vision-111022-123817. [ONLINE][PDF].

2022

• Hafed, Z. M., Chen, C.-Y., & Khademi, F. (2022). Superior colliculus visual neural sensitivity at the lower limit of natural self-induced image displacements. BioRxiv. [ONLINE].

• Zhang, T., Malevich, T., Baumann, M. P., & Hafed, Z. M. (2022). Superior colliculus saccade motor bursts do not dictate movement kinematics. Communications Biology, Vol. 5, 1222. doi: 10.1038/s42003-022-04203-0. [ONLINE][PDF].

• Malevich, T.*, Zhang, T.*, Baumann, M. P.*, Bogadhi, A. R., & Hafed, Z. M. (2022). Faster detection of “darks” than “brights” by monkey superior colliculus neurons. Journal of Neuroscience, Vol. 42, No. 50, pp. 9356-9371. doi: 10.1523/JNEUROSCI.1489-22.2022. [PDF].
  • * Contributed equally

• Idrees, S., Baumann, M. P., Korympidou, M., Schubert, T., Kling, A., Franke, K., Hafed, Z. M., Franke, F., & Münch, T. A. (2022). Suppression without inhibition: How retinal computation contributes to saccadic suppression. Communications Biology, Vol. 5, 692. doi: 10.1038/s42003-022-03526-2. [ONLINE][PDF+SUPP INFO].

• Willeke, K. F., Cardenas, A. R., Bellet, J., & Hafed, Z. M. (2022). Severe distortion in the representation of foveal visual image locations in short term memory. Proceedings of the National Academy of Sciences, Vol. 119, No. 24, e2121860119. doi: 10.1073/pnas.2121860119. [PDF+SUPP INFO].

2021

• Baumann, M. P., Idrees, S., Münch, T. A., & Hafed, Z. M. (2021). Dependence of perceptual saccadic suppression on peri-saccadic image flow properties and luminance contrast polarity. Journal of Vision (Special Issue: From Peripheral to Transsaccadic and Foveal Perception), 21(5): 15, 1-22, doi: 10.1167/jov.21.5.15. [ONLINE][PDF].

• Buonocore, A.*, Tian, X.*, Khademi, F., & Hafed, Z. M. (2021). Instantaneous movement-unrelated midbrain activity modifies ongoing eye movements. eLife, 10: e64150, doi: 10.7554/eLife.64150. [ONLINE][PDF].
  • * Contributed equally

• Ivanchenko, D., Rifai, K., Hafed, Z. M., & Schaeffel, F. (2021). A low-cost, high-performance video-based binocular eye tracker for psychophysical research. Journal of Eye Movement Research (Special Issue on Eye Tracking Methods and their Assessment of Data Quality), 14(3): 3. doi: 10.16910/jemr.14.3.3. [PDF][ONLINE][DEMO][SOFTWARE][SETUP INSTRUCTIONS].

• Hafed, Z. M., Yoshida, M., Tian, X., Buonocore, A., & Malevich, T. (2021). Dissociable cortical and subcortical mechanisms for mediating the influences of visual cues on microsaccadic eye movements. Frontiers in Neural Circuits (Special Research Topic on Cortical-Subcortical Loops in Sensory Processing), 15: 638429. doi: 10.3389/fncir.2021.638429. [LINK][PDF].

• Hafed, Z. M., Chen, C.-Y., Tian, X., Baumann, M. P., & Zhang, T. (2021). Active vision at the foveal scale in the primate superior colliculus. Journal of Neurophysiology (Special Issue of the Society for the Neural Control of Movement), Vol. 125, pp. 1121-1138, doi: 10.1152/jn.00724.2020. [PDF].

• Malevich, T. & Hafed, Z. M. (2021). Saccades along spatial neural circuit discontinuities. BioRxiv. [ONLINE].

2020

• Malevich, T., Buonocore, A., & Hafed, Z. M. (2020). Dependence of the stimulus-driven microsaccade rate signature in rhesus macaque monkeys on visual stimulus size and polarity. Journal of Neurophysiology, Vol. 125, pp. 282-295, doi: 10.1152/jn.00304.2020 [PDF].

• Bogadhi, A. R., Buonocore, A., & Hafed, Z. M. (2020). Task-irrelevant visual forms facilitate covert and overt spatial selection. Journal of Neuroscience, Vol. 40, pp. 9496-9506, doi: 10.1523/JNEUROSCI.1593-20.2020. [PDF].

• Malevich, T.*, Buonocore, A.*, & Hafed, Z. M. (2020). Rapid stimulus-driven modulation of slow ocular position drifts. eLife, 9: e57595, doi: 10.7554/eLife.57595. [ONLINE][PDF].
  • * Contributed equally
  • eLife Digest: The Drifting Gaze

• Markanday, A.*, Bellet, J.*, Bellet, M. E., Inoue, J., Hafed, Z. M.**, & Thier, P.** (2020). Using deep neural networks to detect complex spikes of cerebellar Purkinje cells. Journal of Neurophysiology, Vol. 123, pp. 2217-2234, doi: 10.1152/jn.00754.2019. [PDF][SOURCE CODE & DATA][EPICS GUI PAPER].
  • * Contributed equally
  • ** Co-corresponding authors
  • Also see:
    • EPICS (Easy Platform for Identification of CSs) GUI
    • Video tutorial

• Khademi, F., Chen, C.-Y., & Hafed, Z. M. (2020). Visual feature tuning of superior colliculus neural reafferent responses after fixational microsaccades. Journal of Neurophysiology, Vol. 123, pp. 2136-2153, doi: 10.1152/jn.00077.2020. [PDF].

• Idrees, S.*, Baumann, M. P.*, Franke, F., Münch, T. A.**, & Hafed, Z. M.** (2020). Perceptual saccadic suppression starts in the retina. Nature Communications, 11:1977, doi: 10.1038/s41467-020-15890-w. [ONLINE VERSION][PDF+SUPP INFO].
  • * Contributed equally
  • ** Co-corresponding authors
  • Featured on April 6, 2022 on “Wer weiß denn sowas?” (“Who knows what?”), a TV Quiz Show on Das Erste, Germany’s flagship TV channel [link]
  • Ranked among the top 10 publications of 2020 by the European Vision Institute [read more]
  • EXCEPTIONAL recommendation by Helmut Wilhelm on Faculty Opinions (formerly F1000Prime):  link [read more]

• Hafed, Z. M.* & Goffart, L.* (2020). Gaze direction as equilibrium: more evidence from spatial and temporal aspects of small-saccade triggering in the rhesus macaque monkey. Journal of Neurophysiology, Vol. 123, pp. 308-322, doi: 10.1152/jn.00588.2019. [PDF].
  • * Co-corresponding authors

2019

• Willeke, K. F.*, Tian, X.*, Buonocore, A.*, Bellet, J., Ramirez-Cardenas, A., & Hafed, Z. M. (2019). Memory-guided microsaccades. Nature Communications, 10: 3710, doi: 10.1038/s41467-019-11711-x. [PDF+SUPP INFO][SUPPLEMENTARY MOVIE 1][SUPPLEMENTARY MOVIE 2][ONLINE VERSION].
  • * Contributed equally
  • Also see:
    • Nature Communications Editor’s Highlights by Sachin Ranade, Senior Editor in the From Brain to Behaviour section [PDF]
    • A thank you note from none other than Prof. Robert Steinman himself! [LINK]

• Chen, C.-Y., Hoffmann, K.-P., Distler, C., & Hafed, Z. M. (2019). The foveal visual representation of the primate superior colliculus. Current Biology, Vol. 29, pp. 2109-2119, https://doi.org/10.1016/j.cub.2019.05.040. [PDF+SUPP INFO][SUPPLEMENTARY MOVIE 1][SUPPLEMENTARY MOVIE 2][DATA TABLE 1][NEW SC TOPOGRAPHY PARAMETERS].
  • Also see:
    • Current Biology Dispatch by Shawn M. Willett [PDF]
    • F1000Prime “EXCEPTIONAL” recommendation by Richard Krauzlis:
    • F1000Prime “EXCEPTIONAL” recommendation by Sabine Kastner and Kacie Dougherty:
    • Ranked as the 3rd Best Publication of the Year 2019 by the European Vision Institute (read more)

• Buonocore, A., Skinner, J., & Hafed, Z. M. (2019). Eye-position error influence over “open-loop” smooth pursuit initiation. Journal of Neuroscience, Vol. 39, No. 14, pp. 2709-2721, https://doi.org/10.1523/JNEUROSCI.2178-18.2019. [PDF].

• Bellet, M. E.*, Bellet, J.*, Nienborg, H., Hafed, Z. M.**, & Berens, P.** (2019). Human-level saccade detection performance using deep neural networks. Journal of Neurophysiology, https://doi.org/10.1152/jn.00601.2018 [PDF][OPEN-SOURCE CODE][DATA SETS][WEB SERVICE].
  • * Contributed equally
  • ** Co-corresponding authors
  • Also see:
    • Web service for detecting saccades/microsaccades in your own data using our deep neural network. Simply follow the link and then upload your data to train the network. Alternatively, you can use the weights of a trained network and upload data to have the saccades/microsaccades being automatically detected
    • GUI interface created by Tim Näher: on GitHub

• Skinner, J., Buonocore, A., & Hafed, Z. M. (2019). Transfer function of the rhesus macaque oculomotor system for small-amplitude slow motion trajectories. Journal of Neurophysiology (Special Issue on the Role of Eye Movements in Perception, Cognition, and Action), Vol. 121, pp. 513-529, https://doi.org/10.1152/jn.00437.2018 [PDF].

2018

• Grujic, N., Brehm, N., Gloge, C., Zhuo, W., & Hafed, Z. M. (2018). Perisaccadic perceptual mislocalization is diffrent for upward saccades. Journal of Neurophysiology (Special Issue on The Role of Eye Movements in Perception, Cognition, and Action), https://doi.org/10.1152/jn.00350.2018. [PDF][SUPPLEMENTARY MOVIE].

• Hafed, Z. M. (2018). Superior colliculus: A vision for orienting. Current Biology, Vol. 28, pp. R1111-1113. [PDF].

• Chen, C. -Y. & Hafed, Z. M. (2018). Orientation and contrast tuning properties and temporal flicker fusion characteristics of primate superior colliculus neurons. Frontiers in Neural Circuits (Special Research Topic on The Superior Colliculus/Tectum: Cell Types, Circuits, Computations, Behaviors), 12:58. doi: 10.3389/fncir.2018.00058. [PDF][ONLINE].

• Chen, C. -Y., Sonnenberg, L., Weller, S., Witschel, T., & Hafed, Z. M. (2018). Spatial frequency sensitivity in macaque midbrain. Nature Communications, 9: 2852, doi: 10.1038/s41467-018-05302-5. [PDF][ONLINE].
  • Also see:
    • F1000 Prime “VERY GOOD” recommendation by Brian Corneil: 

• Tian, X., Yoshida, M., & Hafed, Z. M. (2018). Dynamics of fixational eye position and microsaccades during spatial cueing: the case of express microsaccades. Journal of Neurophysiology (Special Issue on The Role of Eye Movements in Perception, Cognition, and Action), https://doi.org/10.1152/jn.00752.2017. [PDF]

2017

• Bellet, J., Chen, C. -Y., & Hafed, Z. M. (2017). Sequential hemifield gating of α- and β-behavioral performance oscillations after microsaccades. Journal of Neurophysiology, Vol. 118, pp. 2789-2805. [PDF]
  • Also see:
    • Neuro Forum feature by Randolph F. Helfrich [PDF]

• Krauzlis, R. J., Goffart, L., & Hafed, Z. M. (2017). Neuronal control of fixation and fixational eye movements. Philosophical Transactions of the Royal Society B: Biological Sciences, Vol. 372, No. 1718, doi: 10.1098/rstb.2016.0205. [ONLINE][PDF]

• Buonocore, A., Chen, C. -Y., Tian, X., Idrees, S., Münch, T. A., & Hafed, Z. M. (2017). Alteration of the microsaccadic velocity-amplitude main sequence relationship after visual transients: implications for models of saccade control. Journal of Neurophysiology, Vol. 117, pp. 1894-1910. doi: 10.1152/jn.00811.2016. [PDF]

• Yoshida, M., Hafed, Z. M., & Isa, T. (2017). Informative cues facilitate saccadic localization in blindsight monkeys. Frontiers in Systems Neuroscience (Special Research Topic on Limbic-Brainstem Roles in Perception, Cognition, Emotion and Behavior), 11:5. doi: 10.3389/fnsys.2017.00005. [ONLINE][PDF]

• Chen, C. -Y. & Hafed, Z. M. (2017). A neural locus for spatial-frequency specific saccadic suppression in visual-motor neurons of the primate superior colliculus. Journal of Neurophysiology, Vol. 117, pp. 1657-1673. doi: 10.1152/jn.00911.2016. [PDF] [Unformatted PDF with color figures]

• Veale, R., Hafed, Z. M., & Yoshida, M. (2017). How is visual salience computed in the brain? Insights from behaviour, neurobiology, and modelling. Philosophical Transactions of the Royal Society B: Biological Sciences, Vol. 372, No. 1714, doi: 10.1098/rstb.2016.0113. [PDF]

2016

• Hafed, Z. M. (2016). Saccades and smooth pursuit eye movements. In: From Neuron to Cognition via Computational Neuroscience, M. A. Arbib & J. J. Bonaiuto, eds., MIT Press, pp. 559-584.

• Peel, T. R., Hafed, Z. M., Dash, S., Lomber, S. G., & Corneil, B. D. (2016). A causal role for the cortical frontal eye fields in microsaccade deployment. PLOS Biology, Vol. 14, No. 8: e1002531. doi:10.1371/journal.pbio.1002531 [ONLINE][PDF]

• Hafed, Z. M. & Chen, C. -Y. (2016). Sharper, stronger, faster upper visual field representation in primate superior colliculus. Current Biology, Vol. 26, pp. 1647-1658. [PDF+SUPP INFO]
  • Also see:
    • F1000 Prime “EXCEPTIONAL” recommendation by Michele Basso: 
    • F1000 Prime “EXCEPTIONAL” recommendation by Kathleen Cullen: 

• Tian, X., Yoshida, M., & Hafed, Z. M. (2016). A microsaccadic account of attentional capture and inhibition of return in Posner cueing. Frontiers in Systems Neuroscience (Special Research Topic on Perisaccadic Vision), 10:23. doi: 10.3389/fnsys.2016.00023. [LINK][PDF] [DEMONSTRATION OF THE REAL-TIME RETINAL-IMAGE STABILIZATION TECHNIQUE THAT WE EXPLOITED IN THIS STUDY]
  • Also see:
    • Vision, perception, and attention through the lens of microsaccades

• Hafed, Z. M., Stingl, K., Bartz-Schmidt, K. -U., Gekeler, F., & Zrenner, E. (2016). Oculomotor behavior of blind patients seeing with a subretinal visual implant. Vision Research (Special Issue on the Role of Fixational Eye Movements in Visual Perception), Vol. 118, pp. 119-131, doi: 10.1016/j.visres.2015.04.006. [PDF][DEMOS]

2015

• Hafed, Z. M., Chen, C. -Y., & Tian, X. (2015). Vision, perception, and attention through the lens of microsaccades: mechanisms and implications. Frontiers in Systems Neuroscience (Special Research Topic on Perisaccadic Vision), 9:167. doi: 10.3389/fnsys.2015.00167 [LINK][PDF]
  • Also see:
    • A microsaccadic account of attentional capture and inhibition of return in Posner cueing

• Chen, C. -Y., Ignashchenkova, A., Thier, P., &  Hafed, Z. M. (2015). Neuronal response gain enhancement prior to microsaccades. Current Biology, Vol. 25, pp. 2065-2074. [PDF+SUPP INFO]
  • Also see:
    • Current Biology dispatch by Adam Morris
    • 2015 Attempto Prize

• Hafed, Z. M. & Tian, X. (2015). A model of repetitive microsaccades, coupled with pre-microsaccadic changes in vision, is sufficient to account for both attentional capture and inhibition of return in Posner cueing. Proceedings of MODVIS 2015 (Computational and Mathematical Models in Vision). [LINK][TALK SLIDES]
  • Also see:
    • A microsaccadic account of attentional capture and inhibition of return in Posner cueing

• Tian, X. & Chen, C. -Y. (2015). Probing perceptual performance after microsaccades. Journal of Neuroscience, Vol. 35, No. 7, pp. 2842-2844. [PDF]

2013

• Hafed, Z. M. & Ignashchenkova, A. (2013). On the dissociation between microsaccade rate and direction after peripheral cues: microsaccadic inhibition revisited. Journal of Neuroscience, Vol. 33, No. 41, pp. 16220-16235. [PDF]

• Kagan, I. & Hafed, Z. M. (2013). Active vision: microsaccades direct the eye to where it matters most. Current Biology, Vol. 23, No. 17, pp. R712-R714. [PDF]

• Chen, C. -Y. & Hafed, Z. M. (2013). Postmicrosaccadic enhancement of slow eye movements. Journal of Neuroscience, Vol. 33, No. 12, pp. 5375-5386. [PDF][DEMOS][REAL-TIME GAZE-CONTINGENT DISPLAY CONTROL DEMO]

• Hafed, Z. M. (2013). Alteration of visual perception prior to microsaccades. Neuron, Vol. 77, pp. 775-786. [PDF][SUPPLEMENTARY INFO]

• Hafed, Z. M., Lovejoy, L.P., & Krauzlis, R.J. (2013). Superior colliculus inactivation alters the relationship between covert visual attention and microsaccades. European Journal of Neuroscience, Vol. 37, No. 7, pp. 1169-1181. [PDF][DEMOS]

2012

• Goffart, L., Hafed, Z. M. & Krauzlis, R. J. (2012). Visual fixation as equilibrium: evidence from superior colliculus inactivation. Journal of Neuroscience, Vol. 32, No. 31, pp. 10627-10636. [PDF]

• Hafed, Z. M. & Krauzlis, R. J. (2012). Similarity of superior colliculus involvement in microsaccade and saccade generation. Journal of Neurophysiology, Vol. 107, No. 7, pp. 1904-1916. [PDF]

2011

• Hafed, Z. M., Lovejoy, L.P., Krauzlis, R.J. (2011). Modulation of microsaccades in monkey during a covert visual attention task. Journal of Neuroscience, Vol. 31, No.43, pp.15219-15230. [PDF][DEMOS]

• Hafed, Z. M. (2011). Mechanisms for generating and compensating for the smallest possible saccades. European Journal of Neuroscience, Vol. 30, pp. 2101-2113. [PDF]

2010

• Hafed, Z. M., & Krauzlis, R. J. (2010). Microsaccadic suppression of visual bursts in the primate superior colliculus. Journal of Neuroscience, Vol. 30, No. 28, pp. 9542-9547. [PDF][SUPPLEMENTARY INFO]
  • Also see:
    • Neuro Forum feature by Martin Rolfs and Sven Ohl

• Hafed, Z. M. & Krauzlis, R. J. (2010). Interactions between perception and smooth pursuit eye movements. In: Dynamics of Visual Motion Processing: Neuronal, Behavioral and Computational Approaches, U. Ilg & G. Masson, eds., Springer, New York, pp. 189-211.

2009

• Hafed, Z. M., Goffart, L., & Krauzlis, R. J. (2009). Reply to “A neural mechanism for fixation instability”. Science (E-Letters), http://www.sciencemag.org/content/323/5916/940/reply. [HTML (Free Access)].

• Hafed, Z. M., Goffart, L., & Krauzlis, R. J. (2009). A neural mechanism for microsaccade generation in the primate superior colliculus. Science, Vol. 323, No. 5916, pp. 940-943. [PDF][SUPPLEMENTARY INFO][DEMOS]
  • Also see:
    • Feature story in Scientific American Mind magazine by Susana Martinez-Conde and Stephen L. Macknik (November/December 2011 issue)
    • This Week in Science summary
    • Faculty of 1000 Biology evaluations by Dr. Kathleen Cullen and Dr. Neeraj Gandhi
    • Faculty of 1000 Medicine evaluation by Dr. Prem Subramanian
      

• Hafed, Z. M., Goffart, L., & Krauzlis, R. J. (2009). Comment on “Tracking an invisible target reveals spatial tuning of neurons in the rostral superior colliculus is not dependent on visual stimuli”. Journal of Neuroscience, Vol. 29, No. 3. [PDF]

2008

• Hafed, Z. M. & Krauzlis, R. J. (2008). Goal representations dominate superior colliculus activity during extrafoveal tracking. Journal of Neuroscience, Vol. 28, No. 38, pp. 9426-9439. [PDF][SUPPLEMENTARY INFO][DEMOS]
  • Also see:
    • Journal Club feature by Marion R. Van Horn
      

• Hafed, Z. M., Goffart, L., & Krauzlis, R. J. (2008). Superior colliculus inactivation causes stable offsets in eye position during tracking. Journal of Neuroscience, Vol. 28, No. 32, pp. 8124-8137. [PDF][SUPPLEMENTARY INFO][DEMOS]
  • Also see:
    • Faculty of 1000 Biology evaluation by Dr. Klaus-Peter Hoffmann
    • Journal Club feature by Marion R. Van Horn

2007

• Krauzlis, R. J. & Hafed, Z. M. (2007). Finding our way around the sensory-motor corner. Neuron, Vol. 54, No. 6, pp. 852-854. [PDF]

• Clark, J. J., Hafed, Z. M., & Jie, L. (2007). Attention and action. In: Computational Vision in Neural and Machine Systems, L. R. Harris & M. R. M. Jenkin, eds., Cambridge University Press, Cambridge, pp. 129-148.

2006

• Hafed, Z. M. & Krauzlis, R. J. (2006). Ongoing eye movements constrain visual perception. Nature Neuroscience, Vol. 9, No. 11, pp. 1449-1457. [PDF][SUPPLEMENTARY INFO][DEMOS]

2002

• Hafed, Z. M. & Clark, J. J. (2002). Microsaccades as an overt measure of covert attention shifts. Vision Research, Vol. 42, No. 22, pp. 2533-2545. [PDF][DEMOS]
  • Also see:
    • Feature story in Scientific American Mind magazine by Susana Martinez-Conde and Stephen L. Macknik (November/December 2011 issue)
      
    • Cover story in Scientific American magazine by Susana Martinez-Conde and Stephen L. Macknik (August 2007 issue)

2001

• Hafed, Z. M. & Levine, M. D. (2001). Face recognition using the discrete cosine transform. International Journal of Computer Vision, Vol. 43, No. 3, pp. 167-188. [PDF]

1999

• Hafed, Z. M. (1999). Object tracking: principles and challenges to keeping an eye on things. IEEE Potentials, Vol. 18, No. 3, August/September, pp. 10-13.