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Skip search results from other journals and go to results- 7 JMIR Research Protocols
- 3 Journal of Medical Internet Research
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- 1 JMIR Mental Health
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Functional magnetic resonance imaging (f MRI) data were obtained through the gradient-echo echo-planar imaging sequence (volumes=1728, slices=72, isotropic voxels=2.0 mm, repetition time=1000 ms, echo time=39.80 ms, field of view=224×224 mm). The MPRAGE sequence lasted approximately 7 minutes and 20 seconds, and the echo-planar imaging sequence lasted approximately 29 minutes.
J Med Internet Res 2025;27:e68586
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The flowchart of the whole study. f MRI: functional magnetic resonance imaging; GAD-7: Generalized Anxiety Disorder; ISI: Insomnia Severity Index; Mo CA-B: Montreal Cognitive Assessment-Basic; MRI: magnetic resonance imaging; PHQ-9: Patient Health Questionnaire; PSU: problematic smartphone use; SAS-SV: Smartphone Addiction Scale-Short Version.
For the appropriate sample size for the survey, we used G*Power (version 3.1; UC Regents), a widely recognized software tool for conducting power analyses.
J Med Internet Res 2025;27:e63485
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Functional magnetic resonance imaging (f MRI) is an imaging technique that depicts the neural activity in the brain in real time based on the changes in local oxygen consumption and cerebral blood flow [8]. f MRI is widely used in pain-related research, and it can detect the effects of different types of pain on brain activity. A number of studies have shown that structural and functional changes can occur in the brains of patients with LDH [9].
JMIR Res Protoc 2024;13:e63852
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This will consist of an anatomical T1-weighted MP-RAGE (magnetization-prepared rapid gradient-echo) scan (echo time = 3 ms, repetition time = 2500 ms, flip angle = 7o) and 7 f MRI scans for each participant: 1 f MRI scan collected during dual-echo p CASL (pseudocontinuous arterial spin labeling) (TE1/TE2 = 10/25 ms, TR = 4000 ms, 1 f MRI scan collected during CVR (TE = 21 ms, TR = 1000 ms, voxel size = 3mm x 3mm x 3mm, flip angle = 50o, number of volumes = 420), 3 runs of a language based task (TE = 25 ms, TR =
JMIR Res Protoc 2024;13:e58316
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Therefore, we plan to use functional magnetic resonance imaging (f MRI) to analyze brain activity and connectivity data and collect stool samples to analyze the composition of the intestinal microbiota in patients with CFS.
This randomized controlled trial will be conducted based on the hypothesis that the application of PLWNT could alleviate fatigue, insomnia, anxiety, and gastrointestinal symptoms in patients with CFS.
JMIR Res Protoc 2024;13:e53347
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BACS: Brief Assessment of Cognition in Schizophrenia; BIS/BAS: Behavioral Inhibition System and Behavioral Activation System; BPRS: Brief Psychiatric Rating Scale; CAINS: Clinical Assessment Interview for Negative Symptoms; CDSS: Calgary Depression Scale for Schizophrenia; CRT: cognitive remediation therapy; f MRI: functional magnetic resonance imaging; LSP-16: Life Skills Profile; SCo RS: Schizophrenia Cognition Rating Scale; TOPF: Test of Premorbid Functioning.
JMIR Res Protoc 2024;13:e52505
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This study will also examine the persuasive elements of self-generated and other-generated content via functional magnetic resonance imaging (f MRI; aim 3). This project will include technology importance and parent involvement as moderators.
Study 2 will use f MRI to understand how neural correlates associated with positive and negative TDM experiences relate to mental and behavioral health.
JMIR Res Protoc 2023;12:e50984
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Before randomization and again after completion of the 8-week program, all participants completed self-report assessments and functional magnetic resonance imaging (f MRI), both described in detail below. A total of 2 participants were removed from the analysis for excessive movement during f MRI, resulting in a cohort of 50% (7/14) practitioners (6/7, 86% women) and 50% (7/14) controls (5/7, 71% women; Table 1). Participants were compensated US $100 for completing both assessments.
JMIR Form Res 2021;5(10):e24208
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In patients with MCI, significant associations have been observed between verbal memory improvement and left hippocampal activation in task-related f MRI after 8-week training to improve auditory processing speed and accuracy [11].
J Med Internet Res 2021;23(5):e24526
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All participants underwent f MRI while performing a self-referential processing task and completing self-report questionnaires, including the Korean version of the Social Phobia Scale (SPS) (H. Kim, unpublished) and Post-Event Rumination Scale (PERS) [28]. The participants with social anxiety disorder underwent f MRI and assessments before and after treatment, while the control participants underwent f MRI only once.
JMIR Ment Health 2021;8(4):e25731
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