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This is a Work In Progress (WIP) project. It is part of my undergraduate studies in Biomedical Engineering at Ostbayerische Technische Hochschule in Germany. This repository incorporates the code and results of my participation in the course Data Science Projects: Train you own Machine Learning Model.

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lukasbehammer/Clustering-of-HCP-Unrelated-100-Subjects-by-ROI-Correlations-in-Resting-State-fMRI

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Clustering of HCP Unrelated 100 Subjects by ROI-Correlations in Resting State fMRI

This is a Work In Progress (WIP) project. It is part of my undergraduate studies in Biomedical Engineering at Ostbayerische Technische Hochschule in Germany. This repository incorporates the code and results of my participation in the course Data Science Projects: Train you own Machine Learning Model. The goal of this project is to demonstrate that clustering of Resting State fMRI data to distinguish between different gender of subjects is possible. This should pave the way for a future diagnosis of different diseases that are connected to reorganisation of the human brain.

Introduction

MRI (Magnetic Resonance Imaging) is a procedure in medical diagnostics which aims to produce three-dimensional images of the body. In comparison to X-Ray and Computertomography it does not incorporate the usage of ionizing radiation and is primarily used for evaluating anatomy and physiology of soft tissue. It's based on the nuclear spin of hydrogen atoms, which can be measured by applying different techniques regarding magnetic fields. An advancement of this process is called fMRI which means functional MRI. This procedure uses the so called BOLD-contrast which stands for blood-oxygen-level dependent contrast. Due to the difference in the magneticity of oxygenrich blood and the one low in oxygen neural activity in the brain can be measured. The HCP (Human Connectom Project) is researching human connectomics, the connections in the brain, on different scales (e.g. between regions or individual neurons). MEG, EEG and MRI has been performed on about 1200 patients. In addition, genetic sequencing and several sensory and motoric test as well as cognitive evaluation took place. At this point this work is using only parts of the resting state fMRI data (specifically Resting State fMRI 1 FIX-Denoised Extended) in the HCP Unrelated 100 dataset. This is due to considerations regarding storage space as well as processing time and power. Therefore, only the first session in the downloaded data has been used until now.

Usage

Open this notebook.

Acknowledgements and additional notes

Data were provided by the Human Connectome Project, WU-Minn Consortium (Principal Investigators: David Van Essen and Kamil Ugurbil; 1U54MH091657) funded by the 16 NIH Institutes and Centers that support the NIH Blueprint for Neuroscience Research; and by the McDonnell Center for Systems Neuroscience at Washington University.

Please note that due to the implementation of the "Intel® Extension for Scikit-learn" package only Intel processors and no AMD processors can be used for the execution of the code.

License

Copyright (c) 2023, Lukas Behammer All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  • Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

  • Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

  • Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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This is a Work In Progress (WIP) project. It is part of my undergraduate studies in Biomedical Engineering at Ostbayerische Technische Hochschule in Germany. This repository incorporates the code and results of my participation in the course Data Science Projects: Train you own Machine Learning Model.

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