From a835d5b12efea2b7cd36c3e0f3a80e9a9660af4f Mon Sep 17 00:00:00 2001 From: Jeremie Fouquet Date: Tue, 8 Aug 2023 10:01:09 -0400 Subject: [PATCH 1/3] fix: correct PDw suffix description --- src/schema/objects/suffixes.yaml | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/schema/objects/suffixes.yaml b/src/schema/objects/suffixes.yaml index caa943ee7c..2085b3245b 100644 --- a/src/schema/objects/suffixes.yaml +++ b/src/schema/objects/suffixes.yaml @@ -228,10 +228,10 @@ PDw: In arbitrary units (arbitrary). The contrast of these images is mainly determined by spatial variations in the spin density (1H) of the imaged specimen. - In spin-echo sequences this contrast is achieved at short repetition and long - echo times. - In a gradient-echo acquisition, PD weighting dominates the contrast at long - repetition and short echo times, and at small flip angles. + In spin-echo sequences, this contrast is achieved at short echo and long + repetition times. + In gradient-echo sequences, it is achieved at a short echo time together with + a long repetition time, a small flip angle, or both. unit: arbitrary PLI: value: PLI From c8dd13a3e98e2f77148b2be4888becce3cdd0ee8 Mon Sep 17 00:00:00 2001 From: "pre-commit-ci[bot]" <66853113+pre-commit-ci[bot]@users.noreply.github.com> Date: Tue, 8 Aug 2023 14:14:39 +0000 Subject: [PATCH 2/3] [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci --- src/schema/objects/suffixes.yaml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/schema/objects/suffixes.yaml b/src/schema/objects/suffixes.yaml index 2085b3245b..e8873e2cf3 100644 --- a/src/schema/objects/suffixes.yaml +++ b/src/schema/objects/suffixes.yaml @@ -231,7 +231,7 @@ PDw: In spin-echo sequences, this contrast is achieved at short echo and long repetition times. In gradient-echo sequences, it is achieved at a short echo time together with - a long repetition time, a small flip angle, or both. + a long repetition time, a small flip angle, or both. unit: arbitrary PLI: value: PLI From 7d7b5c435cc18165cc6441cdf33a98c3453e2090 Mon Sep 17 00:00:00 2001 From: Chris Markiewicz Date: Tue, 31 Oct 2023 10:30:12 -0400 Subject: [PATCH 3/3] Apply @nicholst's suggestion --- src/schema/objects/suffixes.yaml | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/src/schema/objects/suffixes.yaml b/src/schema/objects/suffixes.yaml index e8873e2cf3..16e410c70d 100644 --- a/src/schema/objects/suffixes.yaml +++ b/src/schema/objects/suffixes.yaml @@ -228,10 +228,8 @@ PDw: In arbitrary units (arbitrary). The contrast of these images is mainly determined by spatial variations in the spin density (1H) of the imaged specimen. - In spin-echo sequences, this contrast is achieved at short echo and long - repetition times. - In gradient-echo sequences, it is achieved at a short echo time together with - a long repetition time, a small flip angle, or both. + This contrast is achieved at short echo times and long repetition times; + for gradient echo, this weighting is also possible with a short TR (TR<