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Recent members

Alex Holcombe
• Ryo Nakayama


Skills Checklist
Python Programming
Psychopy/VisionEgg Installation Notes
R analysis,plot,stats
Buttonbox with photocell
Programming Cheat Sheets

Notes for the project described in [1] as well as forthcoming _Subjective Time_ MIT Press volumes

old notes for Dani JoV paper: Temporal Noise


also see multiple drafts of consciousness vs. postdiction

integration interval

[2] found attention / central viewing dramatically increased motion integration interval, with max integration interval 10 sec as found by Burr and Santoro

effect of distance on temporal binding (in cases where low-level motion was avoided)

  • Motoyoshi found x for
  • For temporal freezing paper, we don't know precision
  • Martini & Nakayama found X
  • Long-range alignment judgment we found little effect in [3]
  • Binocular rivalry waves can be slow, e.g.
  • Migraine aura glacial
  • On the other hand,
    • Don't forget Yan's relative motion result
    • Some apparently-spreading processes seem instantaneous (spokes illusion)

More discussion at my Google Doc on the topic, in reviews folder


Werkhoven, Snippe, & Toet. First-order, second-order, etc. low-pass filter: http://en.wikipedia.org/wiki/Low-pass_filter

  • acceleration and direction alternation

If temporally low-pass the Reichhardt outputs, all speeds represented in speed-modulated stimulus but not in unmodulated stimulus. If temporally low-pass the pre-filtering stage,wouldn't be able to perceive motion at high frequencies If delay stage is temporally low-pass,


  1. Holcombe AO. Seeing slow and seeing fast: two limits on perception. Trends Cogn Sci. 2009 May;13(5):216-21. DOI:10.1016/j.tics.2009.02.005 | PubMed ID:19386535 | HubMed [Holcombe2009TICS]
  2. Melcher D, Crespi S, Bruno A, and Morrone MC. The role of attention in central and peripheral motion integration. Vision Res. 2004 Jun;44(12):1367-74. DOI:10.1016/j.visres.2003.11.023 | PubMed ID:15066396 | HubMed [Melcher-etal-2004]
  3. Linares D, Holcombe AO, and White AL. Where is the moving object now? Judgments of instantaneous position show poor temporal precision (SD = 70 ms). J Vis. 2009 Dec 8;9(13):9.1-14. DOI:10.1167/9.13.9 | PubMed ID:20055542 | HubMed [HolcombeLinaresWhite09]
All Medline abstracts: PubMed | HubMed