[Face-research-list] time course of adaptation

Gillian Rhodes gillian.rhodes at uwa.edu.au
Sun Feb 26 23:39:35 GMT 2012

Thanks Alice. I also replied to Peter re attentional effects but forgot to cc to mailing list . You're welcome to forward on my response, Peter, if you think it's useful

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On 27/02/2012, at 4:45 AM, "O'Toole, Alice J" <otoole at utdallas.edu> wrote:

> Hi Peter et al.
> Thanks for sharing this, it is a good point to make and definitely
> rings true from my informal experience over the years.
> Years ago when we did the anti-face adaption paper, David Leopold did the
> psychophysics at MPI with quite beautiful and elaborate adapting techniques,
> and zillions of trials on a few subjects. Simultaneously, I did a "quick and dirty"
> version of short adaptation trials with less fuss and more subjects in Texas.
> I did the second version because I was worried that people
> would think it required methods that were too complicated to get the result.
> We both got the same results, and in the end, we laughed about the fact that he was used to testing
> monkeys (very cooperative) and I was used to dealing with undergrads with
> a short attention spans. His data were lovely so in the first submit of the paper,
> we used only his data. As it turned out, my worry about how the complexity of the procedure
> would seem to reviewers proved true, and we got a comment much
> like I had anticipated -- how much data and time you
> needed to get the effect?? - given that we already had the data from
> the TX experiment, this comment was easy to answer by just including
> the data or noting them, I forget which.
> I think the temporal questions fascinated David especially vis a vis more standard
> low level adaptation. He, Gill Rhodes, Kai-Marcus Muller and Linda Jeffreys
> have a paper on temporal effects that is well worth reading.
> Leopold, D.A., Rhodes, G.I., Muller, K-M., Jeffery, L.R. 2005, 'The dynamics of visual adaptation to faces', Proceedings of the Royal Society: B, 272, pp. 897-904.
> Best,
> Alice
> ________________________________
> From: face-research-list-bounces at lists.stir.ac.uk [face-research-list-bounces at lists.stir.ac.uk] on behalf of Peter Hancock [p.j.b.hancock at stir.ac.uk]
> Sent: Thursday, February 23, 2012 4:23 AM
> To: face-research-list Mailing List
> Subject: [Face-research-list] time course of adaptation
> Dear all, over the years I have tried various face adaptation experiments, with mostly incoherent results, and watched puzzled as everyone else publishes neat little findings.  I began to suspect strong temporal effects and we have finally managed to publish some results demonstrating this with adaptation to antifaces: almost all the effect derives from the first few trials; it is as if whatever is adapting gets ‘tired’ after that.  It may be that others have picked up on this already but I figured it might be useful to draw attention to the finding in case there are those who, like me, are baffled by otherwise strange results.
> http://www.frontiersin.org/perception_science/10.3389/fpsyg.2012.00019/abstract
> Peter
> Peter Hancock
> Professor,
> Deputy Head of Psychology,
> School of Natural Sciences
> University of Stirling
> FK9 4LA, UK
> phone 01786 467675
> fax 01786 467641
> http://www.psychology.stir.ac.uk/staff/phancock
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