The front or anterior part of the brain that contains major structures like the cerebrum, thalamus, and hypothalamus; responsible for thinking, emotions, and body control.
Modern anatomical term: 'fore-' + 'brain.' Coined in the 19th century during the development of neuroscience to describe the brain's anterior division, replacing older terms like 'prosencephalon.'
The forebrain is what makes you 'you'—it's where consciousness, memory, personality, and decision-making happen. The fact that it evolved from the same basic structures as fish brains shows how nature builds complexity by modifying earlier designs.
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