BOLD Signal: This stands for Blood Oxygen Level Dependent signal. It's what the fMRI measures to see brain activity.
Neuroimaging: The use of various techniques to either directly or indirectly image the structure, function, or pharmacology of the nervous system. It’s a central aspect of neuroscience and psychology.
Cognitive Neuroscience:A branch of neuroscience that studies how cognitive functions are produced by neural circuits in the brain. Scientists in this field often use tools like fMRIs to study the brain.