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Dynamic Causal Modeling (DCM ) A Practical Perspective

Dynamic Causal Modeling (DCM ) A Practical Perspective

Dynamic Causal Modeling (DCM ) A Practical Perspective. Ollie Hulme Barrie Roulston Zeki lab. Disclaimer . The following speakers have never used DCM. Any impression of expertise or experience is entirely accidental . Structure. 1. Quick recap on what DCM can do for you.

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668 views • 25 slides
spiny stellate cells

spiny stellate cells

inhibitory interneurons. spiny stellate cells. pyramidal cells. Extrinsic lateral connections. Extrinsic forward connections. Intrinsic connections. Extrinsic backward connections. Single source model. 0.5. 0.4. 0.3. 0. 0.2. 0.1. -0.5. 0. 0. 2. 4. 6. 8. -10. 0. 10. t. x.

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264 views • 11 slides
spiny stellate cells

spiny stellate cells

inhibitory interneurons. spiny stellate cells. pyramidal cells. Extrinsic lateral connections. Extrinsic forward connections. Intrinsic connections. Extrinsic backward connections. Single source model. 0.5. 0.4. 0.3. 0. 0.2. 0.1. -0.5. 0. 0. 2. 4. 6. 8. -10. 0. 10. t. x.

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117 views • 11 slides
Design Matrix

Design Matrix

The General Linear Model. Data. Design Matrix. filter. intrinsic correlations and non-sphericity correction. contrast images. SPM{ T }. SPM{T}. isoluminant stimuli (even). isochromatic stimuli (odd). V5. speed. contrast. 100. SPM{T}. PPM. 200. 300. 1. 2. 3. 4. Design matrix.

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242 views • 9 slides
input

input

Single-state DCM. Multi-state DCM with excitatory and inhibitory connections. input. Extrinsic (between-region) coupling. Intrinsic (within-region) coupling. The basic approach. Define likelihood model. Specify priors. Neural dynamics. Observer function. Minimise free energy.

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176 views • 5 slides

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