separate MRI pulse sequences from techniques

README.md

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   <picture>
     <source media="(prefers-color-scheme: dark)" srcset="/img/openMINDS_instances_logo_dark.png">
     <source media="(prefers-color-scheme: light)" srcset="/img/openMINDS_instances_logo_light.png">
-    <img alt="openMINDS instances logo: created by U. Schlegel, L. Zehl, C. Hagen Blixhavn" src="/img/openMINDS_instances_logo_light.png" title="openMINDS instances" align="right" height="70">
+    <img alt="openMINDS instances" src="/img/openMINDS_instances_logo_light.png" title="Logo created by Schlegel, Zehl, and Hagen Blixhavn." align="right" height="70">
   </picture>
 </a>
 
 # openMINDS_instances
 
-![GitHub][license-url]
-![GitHub contributors][contributors-url]
+[![GitHub][license-shield]][license-url]
+[![GitHub contributors][contributors-shield]][contributors-url]
 
 To learn more about the openMINDS metadata framework please go to :arrow_right: [**ReadTheDocs**][docu-url].  
 For browsing through the metadata instances you can also directly jump to the :arrow_right: [**instance libraries**][libraries-url].
@@ -22,7 +22,9 @@ If you want to contribute please follow our :arrow_right: [**contribution guidel
 <!-- MARKDOWN LINKS & IMAGES -->
 <!-- https://www.markdownguide.org/basic-syntax/#reference-style-links -->
 [contribution-url]: https://openminds-documentation.readthedocs.io/en/latest/shared/contribution_guidelines.html
-[contributors-url]: https://img.shields.io/github/contributors/openMetadataInitiative/openMINDS_documentation
+[contributors-url]: https://github.com/openMetadataInitiative/openMINDS_instances/graphs/contributors
+[contributors-shield]: https://img.shields.io/github/contributors/openMetadataInitiative/openMINDS_instances
 [docu-url]: https://openminds-documentation.readthedocs.io
 [libraries-url]: https://openminds-documentation.readthedocs.io/en/latest/instance_libraries.html
-[license-url]: https://img.shields.io/github/license/openMetadataInitiative/openMINDS_documentation
+[license-url]: https://raw.githubusercontent.com/openMetadataInitiative/openMINDS_instances/main/LICENSE
+[license-shield]: https://img.shields.io/github/license/openMetadataInitiative/openMINDS_instances

instances/latest/terminologies/technique/T1PulseSequence.jsonld → instances/latest/terminologies/MRIPulsSequence/T1PulseSequence.jsonld

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   "@context": {
     "@vocab": "https://openminds.ebrains.eu/vocab/"
   },
-  "@id": "https://openminds.ebrains.eu/instances/technique/T1PulseSequence",
-  "@type": "https://openminds.ebrains.eu/controlledTerms/Technique",
+  "@id": "https://openminds.ebrains.eu/instances/MRIPulseSequence/T1PulseSequence",
+  "@type": "https://openminds.ebrains.eu/controlledTerms/MRIPulseSequence",
   "definition": "In magnetic resonance imaging, a 'T1 pulse sequence' is a contrasting technique that allows the magnetization of the specimen or object to recover (spin-lattice relaxation) before measuring the magnetic resonance signal by changing the repetition time. [adapted from [wikipedia](https://en.wikipedia.org/wiki/MRI_sequence)]",
   "description": null,
   "interlexIdentifier": null,

instances/latest/terminologies/technique/T2PulseSequence.jsonld → instances/latest/terminologies/MRIPulsSequence/T2PulseSequence.jsonld

@@ -2,8 +2,8 @@
   "@context": {
     "@vocab": "https://openminds.ebrains.eu/vocab/"
   },
-  "@id": "https://openminds.ebrains.eu/instances/technique/T2PulseSequence",
-  "@type": "https://openminds.ebrains.eu/controlledTerms/Technique",
+  "@id": "https://openminds.ebrains.eu/instances/MRIPulseSequence/T2PulseSequence",
+  "@type": "https://openminds.ebrains.eu/controlledTerms/MRIPulseSequence",
   "definition": "In magnetic resonance imaging, a 'T2 pulse sequence' is a contrasting technique that allows the magnetization of the specimen or object to decay (spin-spin relaxation) before measuring the magnetic resonance signal by changing the echo time. [adapted from [wikipedia](https://en.wikipedia.org/wiki/MRI_sequence)]",
   "description": null,
   "interlexIdentifier": null,

instances/latest/terminologies/technique/echoPlanarPulseSequence.jsonld → instances/latest/terminologies/MRIPulsSequence/echoPlanarPulseSequence.jsonld

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   "@context": {
     "@vocab": "https://openminds.ebrains.eu/vocab/"
   },
-  "@id": "https://openminds.ebrains.eu/instances/technique/echoPlanarPulseSequence",
-  "@type": "https://openminds.ebrains.eu/controlledTerms/Technique",
+  "@id": "https://openminds.ebrains.eu/instances/MRIPulseSequence/echoPlanarPulseSequence",
+  "@type": "https://openminds.ebrains.eu/controlledTerms/MRIPulseSequence",
   "definition": "In magnetic resonance imaging, a '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)]",
   "description": null,
   "interlexIdentifier": null,

instances/latest/terminologies/technique/gradientEchoPulseSequence.jsonld → instances/latest/terminologies/MRIPulsSequence/gradientEchoPulseSequence.jsonld

@@ -2,8 +2,8 @@
   "@context": {
     "@vocab": "https://openminds.ebrains.eu/vocab/"
   },
-  "@id": "https://openminds.ebrains.eu/instances/technique/gradientEchoPulseSequence",
-  "@type": "https://openminds.ebrains.eu/controlledTerms/Technique",
+  "@id": "https://openminds.ebrains.eu/instances/MRIPulseSequence/gradientEchoPulseSequence",
+  "@type": "https://openminds.ebrains.eu/controlledTerms/MRIPulseSequence",
   "definition": "In magnetic resonance imaging, a 'gradient-echo pulse sequence' is a contrast generation technique that rapidly induces bulk changes in the spin magnetization of a sample by applying a series of carefully constructed pulses so that the change in the gradient of the magnetic field is maximized, trading contrast for speed (cf. [Hargreaves (2012)](https://doi.org/10.1002/jmri.23742)).",
   "description": null,
   "interlexIdentifier": null,

instances/latest/terminologies/technique/spinEchoPulseSequence.jsonld → instances/latest/terminologies/MRIPulsSequence/spinEchoPulseSequence.jsonld

@@ -2,8 +2,8 @@
   "@context": {
     "@vocab": "https://openminds.ebrains.eu/vocab/"
   },
-  "@id": "https://openminds.ebrains.eu/instances/technique/spinEchoPulseSequence",
-  "@type": "https://openminds.ebrains.eu/controlledTerms/Technique",
+  "@id": "https://openminds.ebrains.eu/instances/MRIPulseSequence/spinEchoPulseSequence",
+  "@type": "https://openminds.ebrains.eu/controlledTerms/MRIPulseSequence",
   "definition": "In magnetic resonance imaging, a 'spin echo pulse sequence' is a contrast generation technique that induces bulk changes in the spin magnetization of a sample by applying sequential pulses of resonant electromagnetic waves at different angles (cf. [Fonseca (2013)](https://doi.org/10.5772/53693)).",
   "description": null,
   "interlexIdentifier": null,