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t-tests, ANOVAs & Regression and their application to the statistical analysis of neuroimaging

t-tests, ANOVAs & Regression and their application to the statistical analysis of neuroimaging

t-tests, ANOVAs & Regression and their application to the statistical analysis of neuroimaging. Carles Falcon & Suz Prejawa. OVERVIEW. Basics, populations and samples T-tests ANOVA Beware! Summary Part 1 Part 2. Hypotheses H 0 = Null-hypothesis

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829 views • 39 slides
Spatial Preprocessing

Spatial Preprocessing

Spatial Preprocessing. Ged Ridgway, London With thanks to John Ashburner a nd the FIL Methods Group. Preprocessing overview. Input. fMRI time-series. Anatomical MRI. TPMs. Output. Segmentation. Transformation (seg_sn.mat). Kernel. REALIGN. COREG. SEGMENT. NORM WRITE. SMOOTH.

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474 views • 35 slides
Spatial Preprocessing

Spatial Preprocessing

Spatial Preprocessing. Ged Ridgway, London With thanks to John Ashburner a nd the FIL Methods Group. Preprocessing overview. Input. fMRI time-series. Anatomical MRI. TPMs. Output. Segmentation. Transformation (seg_sn.mat). Kernel. REALIGN. COREG. SEGMENT. NORM WRITE. SMOOTH.

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353 views • 35 slides
Realigning and Unwarping MfD - 2009

Realigning and Unwarping MfD - 2009

Realigning and Unwarping MfD - 2009. Idalmis Santiesteban Karen Hodgson. Overview of SPM Analysis. Statistical Parametric Map. Design matrix. General Linear Model. Parameter Estimates. fMRI time-series. Motion Correction. Smoothing.

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328 views • 30 slides
Lecture 6

Lecture 6

Lecture 6. Dimitar Stefanov. Recapping. Size principle of recruitment of motor units: The size of the newly recruited motor unit increases with the tension level at which it is recruited (The smallest unit is recruited first and the largest unit is recruited last). .

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401 views • 23 slides
Unwarping

Unwarping

Unwarping. Assumptions of statistical tests in functional imaging. In order to assign an observed response to a particular brain structure, or cortical area, the data must conform to a known anatomical space.

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194 views • 19 slides
Unwarping

Unwarping

Unwarping. Irma Kurniawan MFD 2008. Overview: potential pre-processing steps (applicable for a typical cognitive fMRI experiments). 1. Realignment (within-modality) Realign + Unwarping (EPI with fieldmaps) 2. Between-modality Coregistration Coreg + estimate (T1 to EPI)

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513 views • 18 slides
Rhythmic Auditory Stimulation (RAS)

Rhythmic Auditory Stimulation (RAS)

Rhythmic Auditory Stimulation (RAS). Developed primarily by Thaut, McIntosh, & Rice at the CBRM at Colorado State University NMT technique utilizing the physiological effects of rhythm on the motor system to increase the efficiency of controlled movement patterns during rehabilitation.

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771 views • 17 slides
Future needs for Stock Synthesis

Future needs for Stock Synthesis

Future needs for Stock Synthesis. Last years requests. See website ( http://www.fisheriesstockassessment.com/TikiWiki/tiki-index.php?page=Report+from+the+SS2+Tutorial+2007 ) Most requests were implemented. This years requests.

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181 views • 7 slides

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