This modular organization of the brain is often referred to as the "functional segregation" of brain areas. According to this view, different brain areas are specialized for different cognitive functions, and damage to one brain area can lead to specific cognitive deficits.
Before the emergence of this field, psychologists studied behavior externally, while neurobiologists studied brain tissue internally. Gazzaniga and his contemporaries unified these disciplines, utilizing advanced neuroimaging techniques—such as fMRI, PET scans, and EEG—to watch the living human brain think, choose, and feel in real time. 2. Core Themes in Gazzaniga's "Neurociencia Cognitiva"
