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0. Schedule
QiHong Lu edited this page Dec 16, 2016
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Meeting 10/19
Talk by Andrew Haun, from the Rokers vision lab
- Motion and depth perception fMRI data
- Relevant works investigating how motion and depth are represented in the brain
- Future directions that we can explore
I am working on some decoding analysis at this repo: motionDecoding_fMRI
Meeting 10/26
Intro to MVPA by Qihong:
- Matlab & Github basics
- Linear systems
- Full rank systems
- "Inconsistent" rows
- Underdetermined systems in the context of fMRI data
- Classification
- Least square classification
- Logistic regression
- Resources
- Linear algebra cheat sheet, by Professor Laurent Lessard.
Meeting 11/2
Intro to MVPA by Qihong:
- Regularization
- Motivation for sparsity
- Compare Lasso vs. Ridge penalty, varying true sparsity
- Introduce the motion fMRI data
Meeting 11/9
Intro to MVPA by Qihong:
- Elastic net with Glmnet
- Experimental Methodology
- Underfitting & Overfitting - bias & variance
- Train & test & validation, K-Folds cross validation
- Matlab practice
Meeting 11/16
Intro to MVPA by Qihong:
- Practice with the motion fMRI data
- Decode 2d motion: whole brain model vs. V1 model
Meeting 11/23 - Cancelled because of Thanksgiving
Meeting 11/30
Feature selection by Qihong:
- Iterative Lasso
Meeting 12/7
- Methodological reflection by Tim and Qihong
- What's next?!
Meeting 12/14 - Cancelled because of final exams
Meeting 12/20
Another Logistic Lasso practice by Qihong