Pulse sequences, fMRI techniques and related instances - #332
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updated definition
updated definition
updated definition
updated definition
typo correction
added more synonyms
Definition added by myself, not discussed in the ontology group.
fixed missing comma
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apdavison
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Jul 30, 2025
| "@id": "https://openminds.om-i.org/instances/MRIPulseSequence/echoPlanarPulseSequence", | ||
| "@type": "https://openminds.om-i.org/types/MRIPulseSequence", | ||
| "definition": "In magnetic resonance imaging, an 'echo-planar pulse sequence' is a contrasting technique where each radio frequency field (RF) excitation is followed by a train of gradient echoes with different spatial encoding allowing for very rapid scanning. [adapted from [wikipedia](https://en.wikipedia.org/wiki/Physics_of_magnetic_resonance_imaging#Echo-planar_imaging)]", | ||
| "definition": "A magnetic resonance image pulse sequence that is composed of multiple echoes at different phase steps (often collected blocks of 64 or 128 phase steps), which are acquired using rephasing gradients where rephasing is achieved by rapidly reversing the readout or frequency-encoding gradient.", |
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It would be "an MR image", but "a magnetic resonance image".
(The letter "M" is pronounced "em", which starts with a vowel, so we use "an". The word "magnetic" starts with the sound "m", a consonant, and so we use "a")
lzehl
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| "definition": "A k-space sampling strategy that follows a pattern that spirals into the centre of k-space.", |
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| "definition": "A k-space sampling strategy that follows a pattern that spirals out from the centre of k-space.", |
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| "definition": "A k-space sampling strategy that follows a spiral pattern.", |
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| "definition": "A k-space sampling strategy that follows a zigzag pattern.", |
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| "name": "zigzag k-space sampling technique", |
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| "@id": "https://openminds.om-i.org/instances/technique/zigzagK-spaceSamplingTechnique", |
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…essing.jsonld Co-authored-by: Lyuba Zehl <lyuba.zehl@ebrains.eu>
…paceSamplingTechnique.jsonld
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Updated instances based on #156 and terms discussed during the ontology meeting.
Instances are partially missing definitions.