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International School of Social Neurosciences 'Inter-subject Correlation Analysis of fMRI Data: Hands-on Learning'

 

About the school

The most common way to analyze brain imaging data collected during naturalistic stimuli is to use the Intersubject Correlation (ISC) method. Based on linear correlations between individuals, this method measures the level of similarity of brain activity.

By participating in the Summer School, you will acquire in-depth knowledge of the theoretical background of the ISC method, you will be given a step-by-step guideline in terms of how to conduct ISC analysis in practice and most importantly, you will have the opportunity to conduct your first ISC analysis in parallel with the tutor.

Day 1 (June 21)

11:00 – 11:30

Welcoming speech by Iiro Jääskeläinen:
Introduction to naturalistic experiments

11:30 – 12:30      

Introduction to intersubject correlation (ISC) analysis of fMRI data:
Definition, Computational approaches, Statistical inference (first-level and second-level analysis), Interpretation

12:30 – 14:00

Case study 1:
How similarly the brains of individuals respond to a Sherlock movie clip?

Day 2 (June 22)

11:00 – 12:00

Talk by Etienne Koechlin

12:00 – 13:00

Case study 2:
Does brain activity in males vs. females differ when viewing the same Sherlock movie clip?

13:00 – 14:00

Talk by Enrico Glerean:
Intersubject representational similarity analysis:
Implementing individuals' behavioural data into your ISC analysis

Day 3 (June 23)

13:00 – 14:00

Case study 3:
Do subject pairs close in age exhibit higher ISC than subject pairs with age gap?                

14:00 – 14:30

Discussion: Overview of topics covered

14:30 – 15:00

Closing speech by Iiro Jääskeläinen

15:00 – 16:00

Talk by Stefano Palminteri

Hands-on learning

The School will be interactive, ie “learning by doing”. Each theoretical session is followed by a practical one. Students are encouraged to be replicating the practice sessions in parallel with the tutor, although this is not mandatory.

Software and data

If you want to actively participate in the practice sessions, you need to have the following installed on your computer:

Recommended Reading

If you want to get familiar with the concept of ISC analysis before joining the School, you may read the following articles. However, joining the School with zero knowledge about ISC is totally fine.

  • Hasson U, Nir Y, Levy I, Fuhrmann G, Malach R (2004) Intersubject synchronization of cortical activity during natural vision. Science 303, 1634-1640 [PDF]
  • Nastase, SA, Gazzola, V., Hasson, U., & Keysers, C. (2019). Measuring shared responses across subjects using intersubject correlation. Social cognitive and affective neuroscience, 14 (6), 667-685 [PDF]