Abstract
Normative databases allow testing of novel hypotheses without the costly collection of magnetic resonance imaging (MRI) data. Here we present the Amsterdam Ultra-high field adult lifespan database (AHEAD). The AHEAD consists of 105 7 Tesla (T) whole-brain structural MRI scans tailored specifically to imaging of the human subcortex, including both male and female participants and covering the entire adult life span (18-80 yrs). We used these data to create probability maps for the subthalamic nucleus, substantia nigra, internal and external segment of the globus pallidus, and the red nucleus. Data was acquired at a submillimeter resolution using a multi-echo (ME) extension of the second gradient-echo image of the MP2RAGE sequence (MP2RAGEME) sequence, resulting in complete anatomical alignment of quantitative, R-1-maps, R-2*-maps, T-1-maps, T-1-weighted images, T-2*-maps, and quantitative susceptibility mapping (QSM). Quantitative MRI maps, and derived probability maps of basal ganglia structures are freely available for further analyses.
| Original language | English |
|---|---|
| Article number | 117200 |
| Number of pages | 7 |
| Journal | Neuroimage |
| Volume | 221 |
| DOIs | |
| Publication status | Published - 1 Nov 2020 |
Keywords
- Ultra-high field 7 Tesla structural MRI
- Subcortex
- Probabilistic maps
- Basal ganglia
- SEGMENTATION
- MRI
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