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Another study I hadn't seen.

Posted: Wed Jan 08, 2014 4:35 pm
by Space
Interesting stuff. Apparently 'native' AP can be thrown off quite easily if done in a certain way.

Posted: Wed Jan 08, 2014 6:31 pm
by aruffo
I've seen that.. I wonder if the "fooling" is comparable to color illusions.

Posted: Wed Jan 08, 2014 11:03 pm
by lorelei
I've seen this too- it's like changing shades of colour slowly, over a longish time period. Note also, that the shift never actually moved from one chroma category to another. It would be interesting to test this so it moved over a quarter tone and transitioned from one pitch class to another.
The closest visual analogy to this I could find by doing a brief google search is this video:
It's a bit faster and moves more in terms of chroma than the experiment, but you can see roughly what sort of effect takes place- you don't notice it's changing until you realise you're staring at a markedly different shade of a colour or even a different category of colour altogether.

Posted: Thu Jan 09, 2014 8:48 pm
by Space
Yeah, Lorelei, I was thinking of the same thing. If the test dropped the pitch either to right between pitches or even a half step gradually, I think the AP'ers would notice but it would be one of those things where you are temporarily fooled until suddenly it kicks in that the pitch has entered a new category.