The Brains Blog — perception

Do qualia serve to tag the ‘here and now’?

What follows are some excerpts from a manuscript on the PCC (psychological correlates of consciousness) that I’ve been working on for a while, which will perhaps never see the light of
day. Philosophers, feel free to have a field day with my naive ideas.

Note I’m not sure which of the ideas are mine and which I stole from others. Of the inspirations I remember, two stick out. One, Gregory suggested that qualia function as a ‘tag for the present’ (see
his paper on this here), and Trehub has also suggested similar ideas in the domain of space …

Human trichromatic vision may be a lot less common that previously thought

Kenneth Aizawa March 25, 2007 June 28, 2016 Neuroscience / perception

This may be old news to those who are up on the vision neuroscience literature, but I found it interesting and surprising so I thought I would share. It appears that within the human population, individuals vary in the number of red-cone genes (from 1 to 4) and green-cone genes …

“Understanding the Embodiment of Perception”

Kenneth Aizawa February 17, 2007 June 27, 2016 Cognition / Conferences / perception / Psychology

Brains regulars may know that Fred Adams and I have been trying to put up the good fight against extended cognition. (Rob Rupert has been in there, too, of course.) We now have five works on the topic “forthcoming.” Our latest addition to this future literature is a paper of …

Stereo Sue

Anthony Dardis October 6, 2006 August 5, 2015 Consciousness / Metaphysics / perception

Oliver Sacks writes about Sue, who (through vision therapy) recovered stereoscopic vision (STEREO SUE., Sacks, Oliver, New Yorker, 0028792X, 6/19/2006, Vol. 82, Issue 18). She had lost it when she was very young, and then recovered it through intensive vision therapy. She was (is) completely thrilled by this. Sacks writes, …