Research Areas

  • Neural basis of time perception across stages of consciousness
  • Time and space
  • Functions of consciousness
  • Decision making in healthy and clinical populations
  • Visual aesthetics and illusions

Current Projects

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Lomayesva, S.L., & Isham, E.A. (2020). Time reproduction performance as a function of depression and anxiety symptoms in a non-clinical population.


Isham, E. (2020). Temporal experience modifies future thoughts: Manipulation of Libet’s W influences difficulty assessment during a decision-making task.


Isham, E.A.* , Ziskin, E.M.*, Peterson, M., (2019). Limitations of Hoerl and McCormack’s dual systems model of temporal consciousness Behavioral and Brain Sciences


Isham, E.A. (2018). Saving “Free Will” from science. In I. Fredriksson (Ed.), Essays on Consciousness: Towards a New Paradigm (pp. xx).

Isham, E. A., Le, C. H., & Ekstrom, A. D. (2018). Rightward and leftward biases in temporal reproduction of objects represented in central and peripheral spacesNeurobiology of learning and memory153, 71-78.


Isham, E. A., Le, C. H., & Ekstrom, A. D. (2017). Rightward and leftward biases in temporal reproduction of objects represented in central and peripheral spaces. Neurobiology of learning and memory.

Ekstrom, A. D., & Isham, E. A. (2017). Human spatial navigation: representations across dimensions and scales. Current opinion in behavioral sciences, 17, 84-89.

Isham, E. A., Wulf, K. A., Mejia, C., & Krisst, L. C. (2017). Deliberation period during easy and difficult decisions: re-examining Libet’s “veto” window in a more ecologically valid framework. Neuroscience of Consciousness, 3(1).


Isham, E.A., & Geng, J.J. (2013). Looking time predicts choice but not aesthetic value. PLoS ONE 8(8): e71698. doi:10.1371/journal.pone.0071698


Isham, E.A., Banks, W.P., Ekstrom, A.D., & Stern, J.A. (2011). Deceived and distorted: Game outcome retrospectively determines the reported time of action. Journal of Experimental Psychology: Human Perception and Performance. doi: 10.1037/a0023111. 

Isham, E.A., & Geng, J.J. (2011). Rewarding performance feedback alters reported time of action. Consciousness & Cognition, doi:10.1016/j.concog.2011.08.004. 

Ekstrom, A.D., Copara, M.S., Isham, E.A., Wang, W., & Yonelinas, A.P. (2011) Dissociable networks involved in spatial and temporal order source retrieval. NeuroImage. doi:10.1016/j.neuroimage.2011.02.033


Isham, E.A., Ekstrom, A.D., & Banks, W.P. (2010). Effects of youth authorship on the appraisal of paintings. Psychology of Aesthetics, Creativity, and the Arts, 4,235-246.

Banks, W.P., & Isham, E.A. (2010) Do we really know what we are doing? Implications of reported time of decision for theories of volition. In W. Sinnott- Armstrong & L. Nadel (Eds.), Conscious Will and Responsibility. New York: Oxford University Press.


Banks, W.P., & Isham, E.A. (2009). We infer rather than perceive the moment we decided to act. Psychological Science, 20, 17-21. 


Quiroga, R.Q., Mukamel, R., Isham, E.A., Malach, R., & Fried, I. (2008). Human single-neuron responses at the threshold of conscious recognition. Proceedings of the National Academy of Sciences, 105, 3599-3604.


Ekstrom, A.D., Kahana, M.J., Caplan, J.B., Fields, T.A., Isham, E.A., Newman, E.L. & Fried, I. (2003). Cellular networks underlying human spatial navigation. Nature, 425, 184-188.