First Human Brain-Computer Interface Implant (2006) - Researchers at Brown University implanted the BrainGate neural interface system in a paralyzed patient, allowing control of external devices through thought alone.
Publication of "Consciousness Explained" by Daniel Dennett (1991) - Influential philosophical exploration of consciousness from a neuroscientific perspective, proposing the "multiple drafts" model.
Birth of Aloys Alzheimer (1864) - German psychiatrist and neuropathologist who identified the first case of what would later be named Alzheimer's disease.