Eleven of the first 14 American Ph.D.s in psychology were his students. James M. Cattell (1860-1944) was a student in G. Stanley Hall's laboratory course at Johns Hopkins University and went on to study with Wilhelm Wundt in Germany in 1883.
Drug-induced tremor is a simple nervous system and muscle response to certain medications. Drugs that can cause tremor include the following: 1  Cancer medicines such as thalidomide and cytarabine.  Seizure medicines such as valproic acid (Depakote), and sodium valproate (Depakene)
It can also be an early warning sign of some neurological and degenerative conditions. You should speak with your doctor if you experience hand tremors. Many people associate shaky hands with Parkinsonâs disease, but the most common cause of shaking hands is actually essential tremor.