[Face-research-list] FW: request for stimuli which differ by one feature only

[Peter Hancock]

-----Original Message-----
From: Jodie Davies-Thompson [mailto:jdthompson at eyecarecentre.org] 
Sent: 02 July 2012 17:11
To: face-research-list-bounces
Subject: RE: request for stimuli which differ by one feature only

Dear Aisling,

I'll have to check with my colleagues first, but we have some stimuli which you could use. (On a side note for all, we will soon be making a face stimuli database available which consists of 12 Caucasian males, each photographed professionally under 6 different angle (0, 10, 20 ,30, 40 ,50 degrees) each under 6 different expressions (neutral, happy, sad, angry, surprise, fear, disgust).)

However, just to give you a heads up (and to potentially save you some time and effort!), we have just done that experiment and have just submitted it for publication.

The study is a same/different matching task where one of the following changes occurs:

- whole face
- top half of the face
- bottom half of the face
- eyes only
- mouth only
- nose only

As you would expect, we find that for both reaction times and percent correct, subjects find the images harder to discriminate exactly in the order above (ie. faster and more efficient at detecting changes to the eyes than to the mouth).

I would be happy to send you our paper once it has been accepted (hopefully!). Let me know if you would still find the stimuli set helpful.

All the best,
Jodie
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Sent: Monday, July 02, 2012 4:00 AM
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Subject: Face-research-list Digest, Vol 18, Issue 1

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Today's Topics:

   1. request for stimuli which differ by one   feature only
      (Aisling Conway)


----------------------------------------------------------------------

Message: 1
Date: Thu, 28 Jun 2012 16:38:00 +0100
From: Aisling Conway <aisling.conway at ucdconnect.ie>
To: face-research-list at lists.stir.ac.uk
Subject: [Face-research-list] request for stimuli which differ by one
        feature only
Message-ID:
        <CAH3NbBK+cTrwY6mH=wh5Hk_QdNz36ytFFWYqskvLnDZSbQzK8A at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"

Dear all


I am looking to set up a same/different face recognition task asking my participants to decide if pairs of faces are identical or if they differ by one feature (ie, all elements of the two faces are identical except the mouth). Does anybody have a set of face stimuli which has pairs of faces differing by only one feature (ie different eyes with all other features identical or different noses with all other features identical)?


Thank you very much for your help

Aisling Conway

University College Dublin


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-- 
The University of Stirling is ranked in the top 50 in the world in The Times Higher Education 100 Under 50 table, which ranks the world's best 100 universities under 50 years old.
The University of Stirling is a charity registered in Scotland, 
 number SC 011159.