Jacobus Schroeder van der Kolk

Jacobus Ludovicus Conradus Schroeder van der Kolk (Leeuwarden, 14 April 1797 – Utrecht, 1 May 1862) was a Dutch anatomist and physiologist and an influential researcher into the causes of epilepsy and mental illness.

Schroeder van der Kolk's father's surname was Van der Kolk, but he added his mother's maiden name "Schroeder" when her line threatened to die out. He studied medicine at the University of Groningen, where he graduated in 1820. He then practiced medicine in Hoorn and was soon after appointed at the Amsterdam Buitengasthuis hospital. Here Schroeder van der Kolk was influenced by the ideas of Claude François Lallemand and developed his ideas with regards to the etiology of mental illness, particularly the concept that mental illness is a disease than can be treated. He was appointed professor of anatomy and physiology at the University of Utrecht in 1826, where he taught gross anatomy and microscopic anatomy. In Utrecht, Schroeder van der Kolk's pupils included Franciscus Donders,Hermann Snellen and Barend Joseph Stokvis.

He published over 100 papers on various medical topics. In 1859 he delivered the Sydenham lecture at the Worshipful Society of Apothecaries in London.

Schroeder van der Kolk's best known work is on the pathogenesis of epilepsy. Autopsy studies on the brains of people who had suffered of epilepsy in life showed changes in the medulla oblongata (part of the brainstem), and Schroeder van der Kolk stated that seizures must therefore originate in this area. Several decades later it was discovered that seizures arise from the cerebral cortex. He conducted other studies in neuroanatomy, such as into the organisation of the spinal cord.

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