Re: [tips] Is This Dress Red And Green?

2015-03-05 Thread Carol DeVolder
This is nice! Thank you for posting it. On Thu, Mar 5, 2015 at 4:59 PM, Charles S. Harris wrote: > Colors of the dress > Alan Gilchrist > > First note that the alternative color pairs that people see, > white/gold or blue/black, have something

Re:[tips] Is This Dress Red And Green?

2015-03-05 Thread Charles S. Harris
Colors of the dress Alan Gilchrist First note that the alternative color pairs that people see, white/gold or blue/black, have something in common. In each case the two colors stand in the same relationship to each other. They differ only in the

Re:[tips] Is This Dress Red And Green?

2015-03-05 Thread Charles S. Harris
Deborah Briihl wrote: > This is the classic GilChrist study: > http://nwkpsych.rutgers.edu/~alan/Gilchrist_Science_1977.pdf > > It is a lightness and color constancy experiment > > In the experiment above, people looked through a peephole into > a set up which had 2 rooms. The front room was dark

RE: [tips] Is This Dress Red And Green?

2015-02-28 Thread Frigo, Lenore
y fades in.) So, make of that what you will. Lenore Frigo lfr...@shastacollege.edu From: Miguel Roig [ro...@stjohns.edu] Sent: Saturday, February 28, 2015 4:06 AM To: Teaching in the Psychological Sciences (TIPS) Subject: RE: [tips] Is This Dress Red

Re:[tips] Is This Dress Red And Green?

2015-02-28 Thread Mike Palij
Here's a couple of points to consider: (1) To what extent is the perception of color hard-wired and to what extent is it dependent upon experience and learning? It is clear that trichromatic theory and opponent processing are mostly "hard-wired" but color constancy appears to be a top-down proces

Re:[tips] Is This Dress Red And Green?

2015-02-28 Thread Annette Taylor
I only get the digest so I'll have to wait for tomorrow morning to read any more about this but we are just now covering sensation/perception in intro so of course I had to talk about this in class. Most of the explanations I have seen on tips so far do not account for the fact that two people c

RE: [tips] Is This Dress Red And Green?

2015-02-28 Thread Miguel Roig
interpretations of the amount of illumination present in the picture. Miguel From: Miguel Roig [ro...@stjohns.edu] Sent: Saturday, February 28, 2015 12:52 AM To: Teaching in the Psychological Sciences (TIPS) Subject: RE: [tips] Is This Dress Red And Green

RE: [tips] Is This Dress Red And Green?

2015-02-27 Thread Miguel Roig
Sciences (TIPS) Subject: RE: [tips] Is This Dress Red And Green? Perhaps I am wrong, but my sense of the reported differences in the perceived color of the dress are simply due to differing viewing conditions. I have to believe that any _major_ individual difference in the perception of the dress

RE: [tips] Is This Dress Red And Green?

2015-02-27 Thread Miguel Roig
: Michael Palij Subject: Re: [tips] Is This Dress Red And Green? All of the offered solutions fail to appreciate an important point which is why there is so much discussion about this on social media: Why is it that two people viewing the dress under the same conditions perceive the dress as having d

Re: [tips] Is This Dress Red And Green?

2015-02-27 Thread Carol DeVolder
I had not planned on talking about this at all in class today--I teach Behavioral Pharmacology, so it didn't seem relevant. Much to my surprise, several students practically pounced on me when they got to class. We had a fun few-minutes conversation as those who had taken Sensation and Perception t

Re: [tips] Is This Dress Red And Green?

2015-02-27 Thread Jeffry Ricker, Ph.D.
On Feb 27, 2015, at 9:59 AM, Mike Palij wrote: > Still looking for llamas. I needed only to look through my windshield as I drove down a street west of Phoenix yesterday. The strangest think about it was not that they were llamas, but that their coats looked blue/black to me, but white/gold

Re: [tips] Is This Dress Red And Green?

2015-02-27 Thread Mike Palij
All of the offered solutions fail to appreciate an important point which is why there is so much discussion about this on social media: Why is it that two people viewing the dress under the same conditions perceive the dress as having different colors? One needs to explain why there are individu

Re: [tips] Is This Dress Red And Green?

2015-02-27 Thread Claudia Stanny
More on the illusion: http://www.newyorker.com/cartoons/daily-cartoon/daily-cartoon-friday-february-27th-white-gold-blue-black-dress?mbid=social_facebook :-) C _ Claudia J. Stanny, Ph.D. Director Center for University Teaching, Learning, and Assessme

Re: [tips] Is This Dress Red And Green?

2015-02-27 Thread Christopher Green
Edwin Land explained it to us oh so long ago: https://www.youtube.com/watch?v=3DiCvHiDWiY Chris ….. Christopher D Green Department of Psychology York University Toronto, ON M3J 1P3 Canada chri...@yorku.ca http://www.yorku.ca/christo ... On Feb 27, 2015, at 9:13 AM, Mike Palij wrote

Re: [tips] Is This Dress Red And Green?

2015-02-27 Thread Ken Steele
Check out the cubes on Dale Purves web site to see very strong examples of the effect of taking into account the illuminant. http://www.purveslab.net/seeforyourself/ Ken Kenneth M. Steele, Ph. D.s

Re: [tips] Is This Dress Red And Green?

2015-02-27 Thread Leah Adams-Curtis
To provide a demonstration of the phenomenon, you can edit the picture of the dress by adjusting the contrast-I was able to find the point at which the dress changed color for me-it could make a pretty nifty classroom demonstration. BTW, I first tried cropping the image so that the background was

Re: [tips] Is This Dress Red And Green?

2015-02-27 Thread Deborah S Briihl
This is the classic GilChrist study: http://nwkpsych.rutgers.edu/~alan/Gilchrist_Science_1977.pdf It is a lightness and color constancy experiment In the experiment above, people looked through a peephole into a set up which had 2 rooms. The front room was dark and the back room was lit. A white