diffusion time

[Sy Choi]

Hello, 

Where would I be able to obtain diffusion times for the HCP-A's diffusion sequences?

Thank you

[Elam, Jennifer]

Hi Sy,

The imaging protocols are available at: https://www.humanconnectome.org/study/hcp-lifespan-aging/project-protocol/imaging-protocols-hcp-aging

You also may want to look at this paper: https://www.sciencedirect.com/science/article/pii/S1053811918318652?via%3Dihub

Best,

Jenn

Jennifer Elam, Ph.D.
Scientific Outreach, Human Connectome Project
Washington University School of Medicine
Department of Neuroscience, Box 8108
660 South Euclid Avenue
St. Louis, MO 63110
314-362-9387
el...@wustl.edu
www.humanconnectome.org

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From: Sy Choi <choi...@gmail.com>
Sent: Thursday, November 10, 2022 10:47 AM
To: HCP-Users <hcp-...@humanconnectome.org>
Subject: [hcp-users] diffusion time

 

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Hello, 

Where would I be able to obtain diffusion times for the HCP-A's diffusion sequences?

Thank you

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[Sy Choi]

I have checked these two documents. I'm wondering if I'm overlooking the information?

Would you be able to point specifically where that information is?

Thanks.

[Harms, Michael]

Are you referring to the big/small deltas of the diffusion gradients?

I can’t seem to find that information on my laptop for the HCP-A protocol specifically.  We’ll have to get on the scanner and look it up.

 

-- 

Michael Harms, Ph.D.

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

Associate Professor of Psychiatry

Washington University School of Medicine

Department of Psychiatry, Box 8134

660 South Euclid Ave.                        Tel: 314-747-6173

St. Louis, MO  63110                          Email: mha...@wustl.edu

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[Sy Choi]

yes! Would that be something you can do?

[Harms, Michael]

 

For the HCP-Lifespan (HCP-A and HCP-D) protocols:

 

delta = 13.70 ms

DELTA = 43.38 ms

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[So Young Choi]

Thank you@

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