Question 2948
{"accessible":false,"alternatives":[{"id":14358,"text":"edge definition"},{"id":14359,"text":"image contrast"},{"id":14360,"text":"the center of the image"},{"id":14361,"text":"the periphery of the image"},{"id":14362,"text":"water signal"}],"archived":false,"correctAlternativeId":14358,"explanation":"\u003cp\u003eThe periphery of k-space contains low amplitude high spatial frequency data which encodes primarily for edge definition in the image.\u003c/p\u003e\u003cp\u003eThe center of k-space has high amplitude low spatial frequency data needed for image contrast.\u003c/p\u003e\u003cp\u003eEvery point in k-space encodes for the entire image.\u003c/p\u003e\u003cp\u003eWater signal is dependent on sequence parameters and is not encoded for by a specific region in k-space.\u003c/p\u003e","id":2948,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2948","nextQuestionPath":"/articles/k-space-1/questions/2947","relatedArticles":[{"id":5852,"title":"T1 weighted image","link":"/articles/t1-weighted-image?lang=us"},{"id":6345,"title":"T2 weighted image","link":"/articles/t2-weighted-image?lang=us"},{"id":22558,"title":"MRI physics","link":"/articles/mri-physics?lang=us"}],"alsoUsedIn":[{"id":1927,"kind":"Course","title":"Imaging Physics: MRI - page 1927","link":"https://radiopaedia.org/courses/imaging-physics-mri/pages/1927"}],"stem":"\u003cp\u003eThe periphery of k-space stores information encoding predominantly for what?\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/2948"}],"attemptsPercentages":[{"alternativeId":"14358","percentage":74},{"alternativeId":"14362","percentage":2},{"alternativeId":"14359","percentage":15},{"alternativeId":"14361","percentage":6},{"alternativeId":"14360","percentage":4}],"promptToLogin":false,"questionManager":false,"articleId":"k-space"}