jan 1, 1811 - Early Intelligence Testing Jean-Etienne Dominique Esquirol --} french psychiatrist --} distinguished mental retardation from other mental illnessess * retardation had early onset, life long development * illness had acute onset --} emphasized verbal deficits in retardation * laid groundwork for Binet's approach to testing --} coined "hallucination"
Added to timeline:
Date:
jan 1, 1811
Now
~ 215 years ago