Web site for experimental stimuli and scripts for
"Sounds and Pics"

Welcome to the information and download page for our experiment contrasting linguistic and nonlinguistic auditory processing. For brevity, on this web page we will refer to this experiment as "Sounds and Pics". Here, you'll be able to download the experimental scripts, lists and stimuli required to run this experiment. We ask however that you write to the authors and obtain a password before downloading these materials. This procedure enables us to keep the material protected from potentially being downloaded by any user on the World Wide Web and make them available only for nonprofit, research purposes (see disclaimer below).

To obtain the password send an e-mail to saygin@crl.ucsd.edu with "Sounds and Pics Password Request" in the subject line. Please include the following information in the body of the email:

   Name of Principle Investigator/Advisor (if different):
   Institution and Department:
   Brief summary of project:
   Date requested:

Please note that the brief summary of the project should not be lengthy or go into the theoretical details. It suffices to simply state whether all or part of the stimuli set will be used, the subject population of interest (age, clinical characteristics, etc.) and testing methods if different from behavioral testing (e.g., neuroimaging). Of particular importance here is to include a clear statement that there will be no reproduction of the materials provided at this web site for financial gain nor profit being sought with the use of the materials provided at this web site.

After you have obtained the password, you will be able to download all required files in one step. The file you download will contain the PsyScope script, the stimuli lists, the visual (picture) stimuli, and the auditory (speech and environmental sound) stimuli.

"Sounds and Pics" runs on the PsyScope software, which is available for download free of charge at http://psyscope.psy.cmu.edu/. PsyScope currently runs on Macintosh computers only (OS7-OS9 including the Classic environment under OSX). More detailed specifications on PsyScope as well as documentation can be found at their web site.

Please note that the authors of this study are at this time only able to provide these experimental materials and norms to scientists and clinicians for use in further experiments as they are provided on this web site but are unable to provide any further support on the software and hardware, including but not limited to questions regarding PsyScope installation and running the experiment, hardware, other software compatibility issues, etc.

File Details and Disclaimers

The sound files are in Macintosh .snd format, ready to be used with the PsyScope software, which can be downloaded at the PsyScope website. The picture stimuli are in .pct format, again ready to be incorporated into the PsyScope scripts.

Please note that we cannot provide any support for the script or for the software. The experiment has been run many times on various different Macintosh systems in our laboratory and in our knowledge is functioning unless modified. For the experiment to work without problems, we recommend that you do not change the names of the folders, stimuli files, or the directory structures as the script depends upon these parameters to be exactly as specified. Experienced PsyScope programmers may modify the script but should be aware that this may affect compatibility with the norms published. If you wish to change the names of the stimuli files you will also have to change the list files required to call each file in the PsyScope script. There are 20 quasi-random orders of the stimuli set saved in 20 different list files which you would need to change. If the script is run without any changes, your data files should be saved into the folder named "data" with the subject number you entered in the dialog box at run time as the name of the data file. However we still recommend that you pilot the experiment on your system before running your study and make yourself familiar with the organization of the data and stimuli folders and files.

Disclaimer: The speech stimuli have been recorded in a soundproof booth at the Center for Research in Language at the University of California San Diego. Some of the environmental sound stimuli are edited versions of sound clips that were originally recorded and made commercially available for royalty-free use by sound effects library vendors. Likewise, the pictures used in this experiment have been collected from various sources (are a small subset of those used by our large International Picture Naming Project, IPNP ) and thus some pictures may be protected under copyright law. Please be aware that all of the content at this web site is intended only for nonprofit research and clinical purposes. The authors of this study and their institutions assume no liability related to the downloading and/or use of these items. To use all of the electronic material at this web site including the speech and environmental sounds, the pictures, the software code, the text, and their arrangement, you must agree to the following: The copyright law of the United States (Title 17, United States Code) governs the making of photocopies or other reproductions of copyrighted materials. Under certain conditions specified in the law, libraries and archives are authorized to furnish a photocopy or other reproduction. One of these specified conditions is that the photocopy or reproduction is not to be "used for any purpose other than private study, scholarship, or research." If a user makes a request for, or later uses, a photocopy or reproduction for purposes in excess of "fair use," that user may be liable for copyright infringement.

The experiment is available for download as a single compressed file. After downloading the file, uncompress it on the Macintosh machine on which you wish to run the experiment.

I have read the information, understand the disclaimer, have obtained the password, and I'm ready to download the experiment.

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