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About Nicholas Unger
Expertise
I am particularly adept at answering any sort of question relating to the action of various neurotransmitters on neurons. Any sort of Neurophysiology/Cell Physiology or Neuropharmacology questions, particularly ion channel based in relation to physiological response. Anything other than that will earn you an educated guess.
Experience
I have worked in a Neurophysiology lab for 3 years now on various projects for my dissertation. My expertise is the hypothalamic homeostatic control mechanisms in thermoregulation. Also neural control mechanisms in general as well as Suspended Animation techniques and theory.
Organizations
American Physiology Society
Education/Credentials
Capital Univeristy- B.A Biology-premed Minor Psychology 06'
The Ohio State University - Ph.D Candidate Biophysics 10'
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You are here: Experts > Science > Neurosciences > Neuroscience > the speed of visual perception
Expert: Nicholas Unger
Date: 3/10/2008
Subject: the speed of visual perception
Question
Hi there, I am interested in the limitations of our eyes. I an interested in finding out the minimum amount of time the human eye needs to see an image before it registers in our brains. If say, we are shown an image very quickly which then disappears, how long do we need to see it before we can actually notice it?
Answer
Dear Eddie,
I believe the other neuroscientist in this category will be better equipped to answer your question. However I will take a stab at it so to speak.
Realistically the eye has an imaging speed at approximately 30 frames per second. After that your eye begins to start noticing lag in films and such. I would imaging thats around the threshold for what you are asking, but there are alot of other intrinsic factors to take into account. It would depend on your level of alertness among MANY things but I believe 30 frames per second sounds pretty accurate.
If this answer doesn't suite your purpose, ask the other expert, I believe he does visual systems research.
Thanks Eddie!
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