10 Questions
What is the advantage of Near-Infrared Spectroscopy (NIRS) over fMRI?
Portability
What does fNIRS measure in the brain?
Changes in oxy- and deoxyhemoglobin
At what age do Gambian infants separate social and non-social sounds based on NIRS signals in the anterior temporal cortex?
9 months
What does fNIRS measure in the brain?
Changes in oxy- and deoxyhemoglobin
What is the main difference between fMRI and Near-Infrared Spectroscopy (NIRS) in terms of signal detection depth?
fNIRS reaches superficial tissue (~3 cm)
What type of data does fMRI analyses typically deal with?
Large amount of data due to >100,000 voxels in a typical image
What is the focus of multi-voxel analyses in neuroimaging?
Identifiable activity patterns within a region
What aspect of brain activity does connectivity analysis in neuroimaging aim to understand?
How different brain regions interact
What plays a crucial role in the MRI signal generation process in brain imaging?
The brain's blood supply
What does fMRI analysis focus on in terms of brain activity?
Identifying brain regions with differing activity
Test your understanding of neuroimaging techniques for studying the structure and function of the human brain. This quiz covers the classification of techniques based on structure vs. function, temporal vs. spatial resolution, invasiveness, and correlation vs. causation.
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