KDEF & AKDEF

These are the terms for using and publishing stimuli from the KDEF stimulus set (The Karolinska Directed Emotional Faces; Lundqvist, Flykt, & Öhman, 1998) or AKDEF stimulus set (The Averaged KDEF; Lundqvist & Litton, 1998) in scientific research and scientific publications.

If your email to me concerns written consent for publication of KDEF or AKDEF stimuli, please share this email with your publisher.

1.USING KDEF or AKDEF STIMULI FOR RESEARCH

1. The KDEF and AKDEF stimuli may be used for non-commercial scientific research purposes only.
2. Beyond this limit, researchers are free to use the stimuli in any way they like!
3. The KDEF and AKDEF stimuli may NOT be redistributed in any way without written consent from the copyright holder (Karolinska Institutet, Psychology section. 
4. The KDEF and AKDEF stimuly may NOT be used/redistributed openly in apps, online web services or similar. 
5. If you use the KDEF or AKDEF stimuli in your research, please add the below reference to your manuscript’s reference list:
   1. For KDEF
      1. Lundqvist, D., Flykt, A., & Öhman, A. (1998). The Karolinska Directed Emotional Faces - KDEF, CD ROM from Department of Clinical Neuroscience, Psychology section, Karolinska Institutet, ISBN 91-630-7164-9.
   2. For AKDEF:
      1. Lundqvist, D., & Litton, J. E. (1998). The Averaged Karolinska Directed Emotional Faces - AKDEF, CD ROM from Department of Clinical Neuroscience, Psychology section, Karolinska Institutet, ISBN 91-630-7164-9.   
6. If you are interested in what is already published using KDEF; please see here.

2.PUBLISHING KDEF or AKDEF STIMULI

To the author:

1. If a KDEF or AKDEF stimulus is included in a figure in your manuscript; please include information about the KDEF or AKDEF image id in the figure text (F01HAS or similar).
2. If possible, the manuscript should also include a list of the KDEF or AKDEF ids of all the stimuli used in the experiment, under Methods>Stimuli or similar

To the publisher:

1. Researchers may always include sample images from KDEF or AKDEF in his/her manuscript when said manuscript is a doctoral thesis OR is a manuscript submitted to a scientific journal. A publisher may regard this mail as a written consent for such publication, or contact me (contact info below) directly if needed.
   1. For the KDEF stimuli, such a journal is typically PLOS ONE, EMOTION, NEUROPSYCHOLOGIA, COGNITION & EMOTION, SOCIAL COGNITIVE & AFFECTIVE NEUROSCIENCE, BIOLOGICAL PSYCHOLOGY, NEUROIMAGE, FRONTIERS IN PSYCHOLOGY, JOURNAL OF NEUROSCIENCE or PSYCHONEUROENDOCRINOLOGY. Or similar.
2. For already published articles using and referencing to KDEF, see here.
3. For other type of publications, please contact me – contact info below.
4. Apart from the above publication purposes, the KDEF and AKDEF stimuli may NOT be redistributed or shared without written consent from the copyright holder (Karolinska Institutet, Psychology section; contact info below).

For any additional questions: contact me here.

Sample from the ADKEF stimulus set.