NITRC Seed-based d Mapping (SDM, formerly Signed Differential Mapping) Forum: sdm-help-list

RE: Question about the random seed used in SDM-PSI permutation test

Joaquim Radua — Wed, 29 Apr 2026 16:44:52 GMT

<p>Dear Kaiyu, SDM uses a random seed. Thank you,</p>
<p>Joaquim</p>

Question about the random seed used in SDM-PSI permutation test

kaiyuhuang — Tue, 28 Apr 2026 16:36:27 GMT

<p>Hi, </p>
<p>I am using SDM-PSI for a voxel-based morphometry meta-analysis and have a question regarding the permutation test.</p>
<p>Does anyone know what type of random seed is used in the permutation procedure? Specifically, does SDM-PSI use a fixed random seed (ensuring identical corrected results across repeated runs) or a randomly generated seed (which would produce slightly different corrected results each time)?</p>
<p>Thank you very much for your time.</p>
<p>Best wishes,<br>Kaiyu</p>

Three questions for SDM-PSI: atlas coordinates, resting vs task fMRI, and public dataset (HCP)

eleanorfeng — Wed, 08 Apr 2026 9:28:04 GMT

<div>Dear SDM-PSI developers,</div>
<div> </div>
<div>I have three methodological questions for my SDM-PSI meta-analysis:</div>
<div> </div>
<ol>
<li>
<div>Some whole-brain studies reported significant regions with <em>t/z/p/F</em> values, but <strong>did NOT report MNI/Talairach peak coordinates (x,y,z)</strong>.
<div> </div>
According to official guidelines, is it acceptable to use <strong>standard atlas centroid coordinates (AAL, Harvard–Oxford)</strong> instead of the missing peaks?</div>
<div> </div>
</li>
<li>
<div>All are BOLD fMRI or PET studies.
<div> </div>
Can I <strong>combine resting-state fMRI (ALFF/fALFF/ReHo) and task-based fMRI in one single SDM-PSI analysis</strong>, or do they need to be analyzed as separate subgroups?</div>
<div> </div>
</li>
<li>
<div>If a study derived its results from <strong>public datasets (e.g., HCP, Human Connectome Project)</strong> and reported whole-brain peak coordinates(MNI), may I <strong>include such studies in my meta-analysis</strong>?</div>
</li>
</ol>
<div>Thank you very much for your official clarification.</div>

RE: Cannot launch SdmPsiGui in the folder SdmPsiGui-osx-v6.23

Annabelle Coleman — Tue, 24 Feb 2026 8:31:33 GMT

<p>I'm also facing the same problem - did they get back to you?</p>
<p><em>Originally posted by Chuyu Hu:</em></p>
<blockquote>
<p><em>Originally posted by LIN CAI:</em></p>
<blockquote>
<p>Dear experts,</p>
<p>I downloaded the SdmPsiGui-osx-v6.23.zip and unzipped it.</p>
<p>When I click the SdmPsiGui, the pop-up message says it can not be launched. </p>
<p>My macOS is Sequoia 15.1, could you please help me to fix this issue?</p>
<p>Thank you very much in advance.</p>
<p>Best,</p>
<p>Lin</p>
</blockquote>
<p>Hey! Did them reply you? Have you solve this problem? I'm facing the same situation.</p>
</blockquote>
<p> </p>

Opening a new folder I created within the 'home' directory causes the software to close automatically. However, after deleting the newly created folder, the software can open normally again. Currently, only the 'tutorial' folder can be opened consistently."

xinyu zou — Mon, 09 Feb 2026 9:12:08 GMT

<p>Dear Experts, SDM Users, and Developers,</p>
<p>I am encountering an issue where the SDM software runs normally when opening the default "tutorial" folder, but immediately closes ("disappears") when I try to open a new folder I created within the "home" directory. If I attempt to run the software again, a black command-prompt window flashes briefly and then vanishes. Deleting my newly created folder allows the software to function normally again; however, upon reopening, I see the content/message shown in the new window:</p>
<p>Simplified log: (For a complete execution log click here.)<br>Error on selecting new data directory: Couldn't change directory to: D:/appdownload/SdmPsiGui-win64-v6.23/home/new<br>Current working directory: C:/Users/Administrator</p>
<p>I have verified that my <code>sdm_table</code>file is correct, and even after replacing the contents of the "tutorial" folder with the files from my own folder, the same problem persists.</p>
<p>Could you please advise on how to resolve this issue? Thank you very much for your assistance, and I wish you a pleasant day.</p>

RE: When attempting to launch the application, a console window flashes briefly before the program fails to open

xinyu zou — Mon, 09 Feb 2026 9:04:30 GMT

<p>Thank you very much for your response. However, the issue has now evolved into the following: </p>
<p> The software runs normally when opening the default "tutorial" folder. However, when I try to open a new folder I created within the "home" directory, the application closes ("disappears") immediately. If I click to run it again, a black command-prompt-like window flashes briefly on the screen and then vanishes. Deleting my newly created folder allows the software to function normally again. The problem is accompanied by the error log shown in the new window, which contains the following message:</p>
<p>Simplified log: (For a complete execution log click here.)</p>
<p>Error on selecting new data directory: Couldn't change directory to: D:/appdownload/SdmPsiGui-win64-v6.23/home/new</p>
<p>Current working directory: C:/Users/Administrator</p>
<p>I would greatly appreciate it if you know the solution,and I wish you a pleasant day.</p>

RE: SDM will close automatically when I finished editing table!

xinyu zou — Mon, 09 Feb 2026 8:59:03 GMT

<p>Hello, I am encountering the same issue. The software runs normally when opening the default "tutorial" folder. However, when I try to open a new folder I created within the "home" directory, the application closes ("disappears") immediately. If I click to run it again, a black command-prompt-like window flashes briefly on the screen and then vanishes. Deleting my newly created folder allows the software to function normally again. The problem is accompanied by the error log shown in the attached image/screenshot, which contains the following message:</p>
<p>Simplified log: (For a complete execution log click here.) Error on selecting new data directory: Couldn't change directory to: D:/appdownload/SdmPsiGui-win64-v6.23/home/new</p>
<p>Current working directory: C:/Users/Administrator</p>
<p>Could you please advise on how to resolve this issue? Thank you very much for your help, and I wish you a pleasant day.</p>

RE: When attempting to launch the application, a console window flashes briefly before the program fails to open

xr l — Mon, 09 Feb 2026 7:31:20 GMT

<p>I found the solution! Maybe you could try moving the package to C:/ and then click the gui.exe</p>

RE: When attempting to launch the application, a console window flashes briefly before the program fails to open

xr l — Mon, 09 Feb 2026 7:08:56 GMT

me too T_T

I found the solution! Maybe you could try moving the package to C:/ and then click the gui.exe

When attempting to launch the application, a console window flashes briefly before the program fails to open

xinyu zou — Mon, 09 Feb 2026 4:32:45 GMT

<p>Hello, fellow users and developers,</p>
<p>When I attempt to run <code class="hyc-common-markdown__code__inline">SdmPsiGui.exe</code>from File Explorer, a black console window briefly flashes and then disappears. Even after clicking "Run anyway," the application fails to launch. The attached image shows the result of executing the program via PowerShell (command: <code class="hyc-common-markdown__code__inline">D:\appdownload\SdmPsiGui-win64-v6.23\SdmPsiGui.exe</code>), with no error output—it simply returns to the prompt silently.</p>
<p>This issue occurred suddenly; the software was previously functioning correctly. I have already tried uninstalling and reinstalling the program, but the problem persists.</p>
<p>Could anyone advise on the potential cause and resolution? Any insights would be greatly appreciated.</p>