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Martinos MRI instruction

Transcript: + Space Travel + @Martinos Introduction for MRI study at Martinos Center + + + Roffman Lab PFAS social story We all support your adventure Our crew At Martinos center, we are always with you. Please don't hesitate to ask any questions! Hospital At Hospital LESSONS & UNITS TEACHING CLIMATE CHANGE & PUBLIC OPINION Martinos @ Martinos Center Before arrival Visiting our center We'll call you ~3 day prior to your visit. If you don't feel well or have any symptoms (fever, cough, ) before the day visiting, please let us know. We can talk about your situation and reschedule the scan date. We'll meet at the 149 building entrance. Only one parent or guardian can get into the building with the child participant. If you come with other family members or friends, we ask them to wait in your car. On arrival See you at the building entrance! Grub your mask and bag Mask You can find a mask, a bag, and hand sanitizer at the entrance. You can pull out a clean mask from here!! COVID Hand sanitizing Please follow the guidance from us and wash your hands or use hand sanitizer. when to do: touching own mask/face touching public environment before/after eating after using bathroom We are disinfecting MRI camera room and changing room. You can check it with "DISINfected =READY" sign on the door You can find hand sanitizer everywhere! Let's get into the MRI camera getting into the MRI camera Get Ready! Get on the spaceship! The MRI camera is like a spaceship! To take the pictures, you will need to lie down on abed that slides into the camera. On BOARD Getting into the room Can you see these green lights? Close your eyes Close your eyes Adjust screen view Check the screen Make it sure that you can see the screen through the mirror for the mission and movie Button box Hold command button To Comprete your mission in the mri camera, you'll use special button box. please hold it in comfortable position. Mission in the camera Your mission in MRI camera Blast off Mission 1 Interlude Once you've finished the first mission, you can take a rest in the camera. Please keep open your eyes and relax ...!! interude Let's guess their emotion!? Mission 2 You'll see various faces on the screen. Guess how they are feeling! There's 5 choices: Angry, Fearful, Happy, Neutral, Sad Answer with 2 buttons! button 1: moving ↓ button 2: choose! Take a break! Enjoy Movie! Mask policy Hygiene We have a number of lesson/units for grades 4-10. Take a look! Navigating Atmospheric Climate Change: The Science & Data Climate Change: A Look at Our Carbon Footprint & Ecological Handprint Oceans & Seas: Investigating Climate Change Breathe Easy with the Climate Crisis? Not Yet Polar Melt: Investigating Massive Melting Ice Climate Refugees: The Where, How, and What Will Be Here Comes the Sun: Capturing Solar Energy Polymers for the Planet: Finding Solutions to Plastic Advocating for Climate Change: Youth in Action Search for them on Prezi using "Prezi on Climate Change." CLIMATE CHANGE SUMMIT See you The UN covered a lot of territory at the Climate Change Summit. A number of commitments were crafted, leading the way to change: France, Norway, the Republic of Korea, and Sweden have all committed to doubling contributions to the Green Climate Fund. This also includes climate finance pledges from the UK, Qatar, Spain, Singapore, and more. CLIMATE CHANGE SUMMIT Vulnerable countries like Djibouti, Fiji, and Seychelles have committed to achieving 100% renewable energy and strengthening adaptation efforts. Germany and Slovakia announced national plans for climate neutrality by 2050. Denmark will reduce carbon emissions by 70% by 2030, and the Netherlands will reduce its carbon emissions by 95% by 2050. The private sector is committed to change as well. For example, the power company Ørsted is aiming to be carbon neutral by 2025. And Amazon pledged that 80% of its energy will be renewable by 2024. By 2030, Bezos hopes to run Amazon on renewable energy alone. The Russian Federation announced its ratification of the Paris Agreement. Prezi hopes you join us in joining the movement! Keep fighting and don’t get discouraged. As you can see from the UN Summit, we can do this together — let’s drive inter-generational change. We hope to see you educating, learning, marching, and mobilizing to save our only home. JOIN US + + + + + + If you have any questions or concerns, please contact our study team! PFAS study group

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Transcript: Wisdom does not flow like water Plato’s Critique of Pederasty Pederasty Background Symposium Pederasty My Project Pausanias' Speech Pausanias' Speech Two Aphrodites Uranian Heavenly Pandemos Common Text Text Pictures Pictures "Here, Socrates, lie down alongside me, so that by my touching you, I too may enjoy the piece of wisdom that just occurred to you while you were in the porch. It is plain that you found it and have it, for otherwise you would not have come away beforehand." Agathon and Socrates “It would be a good thing, Agathon, if wisdom were the sort of thing that flows from the fuller of us into the emptier, just by our touching one another, as the water in wine cups flows through a wool thread from the fuller to the emptier. For if wisdom too is like that, then I set a high price on my being placed alongside you, for I believe I shall be filled from you with much fair wisdom. My own may turn out to be a sorry sort of wisdom, or disputable like a dream; but your own is brilliant and capable of much development, since it has flashed out so intensely from you while you are young; and yesterday it became conspicuous among more than thirty thousand Greek witnesses." "You are outrageous, Socrates," Agathon said. "A little later you and I will go to court about our wisdom, with Dionysus as judge, but now first attend to dinner." how water flows Principle at play When they do engage in a contest about love Timeline YEAR Alcibiades' Speech Socrates, he claims, is like “those silenuses that sit in the shops of herm sculptors, the ones that craftsman make holding reed pipes or flutes; and if they are split in two and opened up they show they have images of gods within.” (215b) Alcibiades' Speech You, in my opinion,' I said, 'have proved to be the only deserving lover of mine; and it seems to me that you hesitate to mention it to me. Now I am in this state: I believe it is very foolish not to gratify you in this or anything else of mine—my wealth or my friends—that you need; for nothing is more important to d me than that I become the best possible; and I believe that, as far as I am concerned, there is no one more competent than you to be a fellow helper to me in this. So I should be far more ashamed before men of good sense for not gratifying a man like you than I should be before the many and senseless for gratifying you.' Seduction Scene 'Really, my dear Alcibiades, you're no sucker if what you say about me is really true and there is some power in me e through which you could become better. You must see, you know, an impossible beauty in me, a beauty very different from the fairness of form in yourself. So if, in observing my beauty, you are trying to get a share in it and to exchange beauty for beauty, you are intending to get far the better deal. For you are trying to acquire the truth of beautiful things in exchange for the seeming and opinion of beautiful things; and you really have in mind to exchange "gold for bronze." But blessed one do consider better: Without your being aware of it—I may be nothing. Thought, you know, begins to have keen eyesight when the sight of the eyes starts to decline from its peak; and you are still far from that.' Conclusion conclusion If Socrates were to have sex with Alcibiades, he would perpetuate: 1) the idea that people can make each other wise. impact: prevent Alcibiades from realizing his ignorance about wisdom 2) Alcibiades belief that his physical attractiveness is the most important thing about him impact: the belief could harm Alcibiades as he begins to decline from his physical peak, when “Thought begins to have keen eyesight.” (219a) 3) Socrates would be no better than the sophists who cannot acknowledge the ways in which they are ignorant, and thus, risk self-deception. Advantages Advantages to my account: -Fits with the well-known picture of a Socrates who: 1) proclaims his own ignorance. 2) critiques the Sophists for i. both not acknowledging what they do not know ii. exchanging money for wisdom -Makes explicit the way Plato critiques the customs of his time -Throws into question a vision of Socrates as someone who consistently denies bodily urges -Makes clear that the container model is supposed to function in opposition to the image of pregnancy and birth. Accounts of “Plato’s Appropriation of Reproduction” run these two images together.

4-D PET-MR with volumetric navigators and compressive sensing.

Transcript: Keith Heberlein MARTINOS CENTER, SIEMENS vNAV 275 ms .. Reg. 80 ms EXAMPLE PET RECONSTRUCTION TI gap MOTION-FREE PET MR MARTINOS CENTER, SIEMENS -OCCIPUT.IO- Dylan Tisdall MARTINOS CENTER MARTINOS CENTER MARTINOS CENTER, AALTO UNIV., DTU SLOW DRIFT COUNTS alternated direction method of multipliers (ADMM) SPORADIC EVENTS - DIRECT COMPRESSION TI gap PET RAY-TRACER iLang PET RAY-TRACER Stefano Pedemonte, Ciprian Catana, Koen Van Leemput MOTION SENSING MARTINOS CENTER MARTINOS CENTER automated algorithm synthesis LATEX PILLOW (3 cm thick) ACKNOWLEDGEMENTS Ciprian Catana MICCAI 2014 -VOLUMETRIC NAVIGATORS- Reg. 80 ms TI gap SOFTWARE vNAV TR gap Web-based computing engine for medical imaging -SPATIO-TEMPORAL TOMOGRAPHY- Himanshu Bhat FREE MOTION INFERENCE LANGUAGE MARTINOS CENTER MPRAGE readout TR gap DIRECT 4D 4-D Generative Model for PET/MRI Reconstruction, MICCAI 2011 TR Andre Van Der Kouwe INFERENCE LANGUAGE - HEALTHY VOLUNTEER automated synthesis -RECONSTRUCTION AS REASONING- - vNAV vNAV 275 ms Shirley Hsu vNAV 275 ms ACTIVITY inv. pulse - UNIFIED GEOMETRY ALGORITHM SYNTHESYS *at the core of the Insight Reconstruction Toolkit (RTK) -PROJECTION REVISITED- PERFORMANCE of NiftyRec*: PHANTOM - CYCLIC MOTION inv. pulse - 4-D SINOGRAM - Martinos Center for Biomedical Imaging, MGH - Harvard University - Aalto Univerisity, School of Science and Technology - Technical University of Denmark (DTU) Reg. 80 ms non-negativity, sparsity 4-D PET-MR with Volumetric Navigators and Compressed Sensing Koen Van Leemput MODEL BASED MOTION MPRAGE readout Computational Methods for Molecular Imaging fast convergence Explicit deformation model Grae Arabasz inv. pulse iLang MPRAGE readout vNAV Likelihood Gradient Activity Gradient Motion projection projection projection back-projection Likelihood: projection back-projection Gradient: activity photon counts MICCAI BAMBI workshop Thursday 2 pm MOTION EVENT DISCRIMINATION

An Inference Language for Imaging.

Transcript: Keith Heberlein MARTINOS CENTER, SIEMENS vNAV 275 ms .. Reg. 80 ms TI gap SAMPLING - - MARTINOS CENTER, SIEMENS HEALTHY VOLUNTEER MARTINOS CENTER INFERENCE LANGUAGE MARTINOS CENTER Dylan Tisdall MARTINOS CENTER, AALTO, DTU SLOW DRIFT - LATEX PILLOW (3 cm thick) COUNTS iLang - inference language - transmission - cone beam - parallel beam - emission - parallel beam - sparse projections 2D The graph within the graph RIEMANNIAN MANIFOLD TOMOGRAPHY MICCAI 2014 - BAMBI TI gap geometric primitives The algorithm arises from a model and from an inference query. MARTINOS CENTER MARTINOS CENTER iLang - inference language ACKNOWLEDGEMENTS GPU Ciprian Catana MIT MRI Reg. 80 ms TI gap 4-D PET-MR LANGUAGE PRIMITIVES iLang - inference language TR gap MARTINOS CENTER MASS-MATRIX = TOEPLIZ APPROX. OF EMPIRICAL FISHER INFORMATION - Himanshu Bhat - generative .. - model based .. - unified .. - joint .. - Bayesian MPRAGE readout TR gap iLang - inference language Registration Andre Van Der Kouwe X-Ray CT 1 - MAXIMUM PROBABILITY - ALTERNATING DIRECTION METHOD OF MULTIPLIERS - PRECONDITIONED GRADIENT DESCENT - LBFGS (QUASI NEWTON) - NEWTON - Affine - B-splines - 3-linear resampling vNAV 275 ms Shirley Hsu - Registration vNAV 275 ms - Ray-tracing: - Transformation: - Differentiation: - Stencil operations - FFT - IFFT - GEOMETRIC PRIMITIVES ACTIVITY inv. pulse - Martinos Center for Biomedical Imaging, MGH - Harvard University - Aalto Univerisity, School of Science and Technology - Technical University of Denmark (DTU) 4-D PET Paulina Golland's Journal Club PET RECONSTRUCTION REGISTRATION Probabilistic reasoning. RIPETITIVE MOTION PERFORMANCE inv. pulse 4-D SINOGRAM TWO TYPES OF INFERENCE QUERIES - PET Reg. 80 ms INFERENCE ENGINE 2 - POSTERIOR SAMPLING HAMILTONIAN MARKOV CHAIN MONTE CARLO MESSAGE PASSING Koen Van Leemput ray-tracing: NiftyRec An Inference Language for Imaging - - UNIFIED GEOMETRY - COMPRESSED 4-D SINOGRAM 4-D nav-free PET-MR MPRAGE readout a data structure? MOTION PET ray tracer Grae Arabasz Stefano Pedemonte, Ciprian Catana, Koen Van Leemput inv. pulse MPRAGE readout - finite differences - gradient propagation - PET RAY-TRACER MOTION EVENT DISCRIMINATION

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