1 Jan 1811 Jahr - 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"