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One problem here: 'High C is a tone with exact frequency'. Not quite true. We know that pitch has changed over the last couple of centuries. The evidence is clear that it's got sharper, so High C, or any other note, now has a higher frequency than before. There are various theories as to why this has happened, and all of them point to the conclusion that what might have been thought to be a neural basis for perception is in fact affected by socio-historical factors. There is a similar puzzle about the faculty known as perfect pitch, since musicians in fact report that it sometimes changes. (Benjamin Britten, for example, said late in life that his had fallen by a semitone, so everything sounded to him in the wrong key.) On the other hand I agree that you cannot help it but see the motion in a film projected at, actually, anything above about 18 frames per second. But this is because of the critical fusion frequency of our neural circuits. As for suture, this is surely useful as a metaphor in the right places. Michael Chanan > -----Original Message----- > From: [log in to unmask] > [mailto:[log in to unmask]]On Behalf Of Boris > Vidovic > Sent: 18 January 1999 12:17 > To: [log in to unmask] > Subject: reception etc. > > > For what its worth, I feel the cognitive approach, especially > Gibson's, lacks > an understanding of the social nature of perception. > > There is nothing *social* about neural basis of perception, and I > can't see > how could we *socialize* our eyes and brain to include this *social nature > of pereption*. We can't include *social dimension* when talking about > colour perception, or motion perception, or sound perception... > High C is a > tone with exact frequency and it is the same wether you are white, black, > gay, conservative or liberal. The same is with the motion in films (or > *moving pictures*) - you cannot help it but see the motion although there > has been projected 24 *slides* per minute (in case of today's > standard film > speed). > > the matching which I belive is central to the suture effect. > > I thought that this unfortunate story about *suture effect* has been left > to where it belongs - to the *dustbean of history*. > > Boris > > %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%